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Disclosure - Basis of Presentation and Summary of Significant Accounting Policies Basis of Presentation (Notes) link:presentationLink link:calculationLink link:definitionLink 220022001 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies (Policies) link:presentationLink link:calculationLink link:definitionLink 240034001 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 210041002 - Disclosure - Earnings Per Common Share link:presentationLink link:calculationLink link:definitionLink 230053001 - Disclosure - Earnings Per Common Share (Tables) link:presentationLink link:calculationLink link:definitionLink 240064002 - Disclosure - Earnings Per Common Share (Computation of Basic and Diluted Earnings per Common Share) (Details) link:presentationLink link:calculationLink link:definitionLink 240074003 - Disclosure - Earnings Per Common Share (Potentially Dilutive Securities Outstanding) (Details) link:presentationLink link:calculationLink link:definitionLink 240084004 - Disclosure - Earnings Per Common Share Earnings per Common Share (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 210091003 - Disclosure - Investment Securities link:presentationLink link:calculationLink link:definitionLink 230103002 - Disclosure - Investment Securities (Tables) link:presentationLink link:calculationLink link:definitionLink 240114005 - Disclosure - Investment Securities (Schedule of Investment Securities Available for Sale) (Details) link:presentationLink link:calculationLink link:definitionLink 240124006 - Disclosure - Investment Securities (Schedule of Maturities of Investment Securities Available for Sale) (Details) link:presentationLink link:calculationLink link:definitionLink 240134007 - Disclosure - Investment Securities (Schedule of Gains and Losses on the Sale and Exchange of Investment Securities Available for Sale) (Details) link:presentationLink link:calculationLink link:definitionLink 240144008 - Disclosure - Investment Securities (Schedule of the Aggregate Fair Value and Amount by which Amortized Cost Exceeds Fair Value for Investment Securities that are in Unrealized Loss Positions) (Details) link:presentationLink link:calculationLink link:definitionLink 240154009 - Disclosure - Investment Securities (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 210161004 - Disclosure - Loans and Allowance for Credit Losses link:presentationLink link:calculationLink link:definitionLink 230173003 - Disclosure - Loans and Allowance for Credit Losses (Tables) link:presentationLink link:calculationLink link:definitionLink 240184010 - Disclosure - Loans and Allowance for Credit Losses (Schedule of Loans) (Details) link:presentationLink link:calculationLink link:definitionLink 240194011 - Disclosure - Loans and Allowance for Credit Losses (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 240204012 - Disclosure - Loans and Allowance for Credit Losses (ALLL Rollforward) (Details) link:presentationLink link:calculationLink link:definitionLink 240214013 - Disclosure - Loans and Allowance for Credit Losses (Schedule of Credit Exposure for Loans Based on Original LTV and FICO Score) (Details) link:presentationLink link:calculationLink link:definitionLink 240224014 - Disclosure - Loans and Allowance for Credit Losses (Schedule of Commercial Credit Exposure Based on Internal Risk Ratings) (Details) link:presentationLink link:calculationLink link:definitionLink 240234015 - Disclosure - Loans and Allowance for Credit Losses (Schedule of Financing Receivables Past Due) (Details) link:presentationLink link:calculationLink link:definitionLink 240244016 - Disclosure - Loans and Allowance for Credit Losses (Schedule of Recorded Investment in Loans on Non-Accrual Status) (Details) link:presentationLink link:calculationLink link:definitionLink 240254017 - Disclosure - Loans and Allowance for Credit Losses (Impaired Financing Receivables) (Details) link:presentationLink link:calculationLink link:definitionLink 240264018 - Disclosure - Loans and Allowance for Credit Losses Loans and Allowance for Credit Losses (Schedule of Troubled Debt Restructurings) (Details) link:presentationLink link:calculationLink link:definitionLink 240274019 - Disclosure - Loans and Allowance for Credit Losses Loans and Allowance for Credit Losses (Schedule of Loan Concentrations by States) (Details) link:presentationLink link:calculationLink link:definitionLink 240284020 - Disclosure - Loans and Allowance for Credit Losses Loans and Allowance for Credit Losses (Balance of ALLL and Related Loans) (Details) link:presentationLink link:calculationLink link:definitionLink 240294021 - Disclosure - Loans and Allowance for Credit Losses Loans and Allowance for Credit Losses (Schedule of Average Recorded Investment in Impaired Loans) (Details) link:presentationLink link:calculationLink link:definitionLink 210301005 - Disclosure - Leases Leases link:presentationLink link:calculationLink link:definitionLink 230313004 - Disclosure - Leases Leases (Tables) link:presentationLink link:calculationLink link:definitionLink 240324022 - Disclosure - Leases Schedule of ROU Assets and Lease Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 240334023 - Disclosure - Leases Schedule of Operating and Finance Lease Information (Details) link:presentationLink link:calculationLink link:definitionLink 240344024 - Disclosure - Leases Schedule of Lease Costs (Details) link:presentationLink link:calculationLink link:definitionLink 240354025 - Disclosure - Leases Schedule of Leases - Cash Flow Information (Details) link:presentationLink link:calculationLink link:definitionLink 240364026 - Disclosure - Leases Schedule of Future Minimum Lease Payments for Operating and Finance Leases (Details) link:presentationLink link:calculationLink link:definitionLink 240374027 - Disclosure - Leases Schedule of Direct or Sales Type Finance Leases (Details) link:presentationLink link:calculationLink link:definitionLink 240384028 - Disclosure - Leases Schedule of future minimum lease payments under direct or sales type financing leases (Details) link:presentationLink link:calculationLink link:definitionLink 240394029 - Disclosure - Leases Schedule of Operating Lease Equipment (Details) link:presentationLink link:calculationLink link:definitionLink 240404030 - Disclosure - Leases Schedule of Future Minimum Rental Payment on Operating Leases (Details) link:presentationLink link:calculationLink link:definitionLink 240414031 - Disclosure - Leases Operating and Direct Finance Lease Income (Details) link:presentationLink link:calculationLink link:definitionLink 210421006 - Disclosure - Deposits link:presentationLink link:calculationLink link:definitionLink 230433005 - Disclosure - Deposits (Tables) link:presentationLink link:calculationLink link:definitionLink 240444032 - Disclosure - Deposits (Summary of Average Balances and Weighted Average Rates Paid on Deposits) (Details) link:presentationLink link:calculationLink link:definitionLink 240454033 - Disclosure - Deposits (Schedule of Maturities of Time Deposits) (Details) link:presentationLink link:calculationLink link:definitionLink 240464034 - Disclosure - Deposits (Schedule of Interest Expense on Deposits) (Details) link:presentationLink link:calculationLink link:definitionLink 240474035 - Disclosure - Deposits (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 210481007 - Disclosure - Federal Home Loan Bank Advances and Other Borrowings link:presentationLink link:calculationLink link:definitionLink 230493006 - Disclosure - Federal Home Loan Bank Advances and Other Borrowings (Tables) link:presentationLink link:calculationLink link:definitionLink 240504036 - Disclosure - Federal Home Loan Bank Advances and Other Borrowings (Schedule of Outstanding FHLB Advances) (Details) link:presentationLink link:calculationLink link:definitionLink 240514037 - Disclosure - Federal Home Loan Bank Advances, Notes and Other Borrowings Long-Term Debt (Details) link:presentationLink link:calculationLink link:definitionLink 240524038 - Disclosure - Federal Home Loan Bank Advances and Other Borrowings (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 210531008 - Disclosure - Premises and Equipment and Lease Commitments link:presentationLink link:calculationLink link:definitionLink 230543007 - Disclosure - Premises and Equipment and Lease Commitments Property, Plant and Equipment (Tables) link:presentationLink link:calculationLink link:definitionLink 240554039 - Disclosure - Premises and Equipment and Lease Commitments (Summary of Premises and Equipment) (Details) link:presentationLink link:calculationLink link:definitionLink 240564040 - Disclosure - Premises and Equipment and Lease Commitments (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 210571009 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 230583008 - Disclosure - Income Taxes Income Taxes Table (Tables) link:presentationLink link:calculationLink link:definitionLink 240594041 - Disclosure - Income Taxes Schedule of Components of Income Tax Expense (Benefit) (Details) link:presentationLink link:calculationLink link:definitionLink 240604042 - Disclosure - Income Taxes (Schedule of Effective Income Tax Rate Reconciliation) (Details) link:presentationLink link:calculationLink link:definitionLink 240614043 - Disclosure - Income Taxes (Schedule of Deferred Tax Assets and Liabilities) (Details) link:presentationLink link:calculationLink link:definitionLink 240624044 - Disclosure - Income Taxes (Schedule of Unrecognized Tax Benefits, Roll Forward) (Details) link:presentationLink link:calculationLink link:definitionLink 240634045 - Disclosure - Income Taxes Income Taxes (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 210641010 - Disclosure - Derivatives and Hedging Activities link:presentationLink link:calculationLink link:definitionLink 230653009 - Disclosure - Derivatives and Hedging Activities (Tables) link:presentationLink link:calculationLink link:definitionLink 240664046 - Disclosure - Derivatives and Hedging Activities (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 240674047 - Disclosure - Derivatives and Hedging Activities (Interest Rate Contract Derivative Financial Instruments and Related Hedged Items) (Details) link:presentationLink link:calculationLink link:definitionLink 240684048 - Disclosure - Derivatives and Hedging Activities (Interest Rate Swaps Subject to Master Netting Agreements) (Details) link:presentationLink link:calculationLink link:definitionLink 240684048 - Disclosure - Derivatives and Hedging Activities (Interest Rate Swaps Subject to Master Netting Agreements) (Details) link:presentationLink link:calculationLink link:definitionLink 240694049 - Disclosure - Derivatives and Hedging Activities Derivative and Hedging Activities - Amount of loss reclassified from AOCI into Income (Details) link:presentationLink link:calculationLink link:definitionLink 240704050 - Disclosure - Derivatives and Hedging Activities Derivative and Hedging Activities - Amount of gain (loss) recognized in earnings on Fair Value hedges (Details) link:presentationLink link:calculationLink link:definitionLink 240714051 - Disclosure - Derivatives and Hedging Activities Derivative and Hedging Activities - Carrying Value of Hedged Item and Cumulative Fair Value Adjustments (Details) link:presentationLink link:calculationLink link:definitionLink 210721011 - Disclosure - Stockholders' Equity link:presentationLink link:calculationLink link:definitionLink 230733010 - Disclosure - Stockholders' Equity (Tables) link:presentationLink link:calculationLink link:definitionLink 240744052 - Disclosure - Stockholders' Equity (Changes in Accumulated Other Comprehensive Income) (Details) link:presentationLink link:calculationLink link:definitionLink 240754053 - Disclosure - Stockholders' Equity (Categories of Other Comprehensive Income) (Details) link:presentationLink link:calculationLink link:definitionLink 210761012 - Disclosure - Equity Based Compensation link:presentationLink link:calculationLink link:definitionLink 230773011 - Disclosure - Equity Based Compensation (Tables) link:presentationLink link:calculationLink link:definitionLink 240784054 - Disclosure - Equity Based Compensation (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 240794055 - Disclosure - Equity Based Compensation (Schedule of Compensation Costs Related to Equity Based Awards) (Details) link:presentationLink link:calculationLink link:definitionLink 240804056 - Disclosure - Equity Based Compensation (Schedule of Nonvested Share Activity) (Details) link:presentationLink link:calculationLink link:definitionLink 240814057 - Disclosure - Equity Based Compensation Schedule of Other Share-Based Compensation, Activity (Details) link:presentationLink link:calculationLink link:definitionLink 240824058 - Disclosure - Equity Based Compensation (Schedule of Stock Options Activity) (Details) link:presentationLink link:calculationLink link:definitionLink 210831013 - Disclosure - Regulatory Requirements and Restrictions link:presentationLink link:calculationLink link:definitionLink 230843012 - Disclosure - Regulatory Requirements and Restrictions (Tables) link:presentationLink link:calculationLink link:definitionLink 240854059 - Disclosure - Regulatory Requirements and Restrictions (Schedule of Compliance with Regulatory Capital Requirements Under Banking Regulations) (Details) link:presentationLink link:calculationLink link:definitionLink 240864060 - Disclosure - Regulatory Requirements and Restrictions (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 210871014 - Disclosure - Fair Value Measurements link:presentationLink link:calculationLink link:definitionLink 230883013 - Disclosure - Fair Value Measurements (Tables) link:presentationLink link:calculationLink link:definitionLink 240894061 - Disclosure - Fair Value Measurements (Assets and Liabilities Measured at Fair Value on a Recurring Basis) (Details) link:presentationLink link:calculationLink link:definitionLink 240904062 - Disclosure - Fair Value Measurements (Assets for which Nonrecurring Changes in Fair Value have been Recorded) (Details) link:presentationLink link:calculationLink link:definitionLink 240914063 - Disclosure - Fair Value Measurements (Carrying Value and Fair Value of Financial Instruments) (Details) link:presentationLink link:calculationLink link:definitionLink 210921015 - Disclosure - Commitments and Contingencies link:presentationLink link:calculationLink link:definitionLink 230933014 - Disclosure - Commitments and Contingencies (Tables) link:presentationLink link:calculationLink link:definitionLink 240944064 - Disclosure - Commitments and Contingencies Commitments and Contingencies (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 240954065 - Disclosure - Commitments and Contingencies Commitments (Details) link:presentationLink link:calculationLink link:definitionLink 210961016 - Disclosure - Condensed Financial Statements of BankUnited, Inc. link:presentationLink link:calculationLink link:definitionLink 230973015 - Disclosure - Condensed Financial Statements of BankUnited, Inc. 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