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Summary of Significant Accounting Policies - Schedule of Allowance for Credit Losses Upon Adoption of ASU 2016-13 (Details) - USD ($)
$ in Thousands
Jan. 01, 2020
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]          
Total Allowance for Credit Losses   $ 157,821 $ 216,252 $ 110,027 $ 106,693
Accounting Standards Update 2016-13          
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]          
Total Allowance for Credit Losses       110,027  
Reserve for Unfunded Commitments       6,822  
Total Reserve for Credit Losses       116,849  
Accounting Standards Update 2016-13 | Cumulative Effect, Period of Adoption, Adjustment          
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]          
Total Allowance for Credit Losses $ (1,737)     (1,737)  
Reserve for Unfunded Commitments (3,335)        
Total Reserve for Credit Losses (5,072)        
Retained Earnings          
Total Pre-tax Impact 5,072        
Tax Effect (1,440)        
Increase to Retained Earnings 3,632        
Accounting Standards Update 2016-13 | January 1, 2020          
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]          
Total Allowance for Credit Losses 108,290     108,290  
Reserve for Unfunded Commitments 3,487        
Total Reserve for Credit Losses 111,777        
Accounting Standards Update 2016-13 | Commercial Loan          
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]          
Total Allowance for Credit Losses       73,801  
Accounting Standards Update 2016-13 | Commercial Loan | Cumulative Effect, Period of Adoption, Adjustment          
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]          
Total Allowance for Credit Losses (18,789)        
Accounting Standards Update 2016-13 | Commercial Loan | January 1, 2020          
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]          
Total Allowance for Credit Losses 55,012        
Accounting Standards Update 2016-13 | Consumer Loan          
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]          
Total Allowance for Credit Losses       $ 36,226  
Accounting Standards Update 2016-13 | Consumer Loan | Cumulative Effect, Period of Adoption, Adjustment          
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]          
Total Allowance for Credit Losses 17,052        
Accounting Standards Update 2016-13 | Consumer Loan | January 1, 2020          
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]          
Total Allowance for Credit Losses $ 53,278