XML 67 R50.htm IDEA: XBRL DOCUMENT v3.22.0.1
Summary of Significant Accounting Policies - ASC 326 Adoption (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Jan. 01, 2020
Dec. 31, 2019
Dec. 31, 2018
Basis Of Presentation [Line Items]          
Financing receivable, allowance for credit loss $ 427,597 $ 605,736 $ 281,402 $ 281,402 $ 250,555
Reserve for unfunded commitments 41,900   1,375    
Allowance for credit losses 469,500 653,500 282,777    
Loans, net of deferred fees and costs     36,881,048    
Retained earnings $ 1,709,980 $ 1,178,019 1,068,327    
Accounting Standards Update 2016-02          
Basis Of Presentation [Line Items]          
Financing receivable, allowance for credit loss     364,396    
Reserve for unfunded commitments     28,815    
Allowance for credit losses     393,211    
Loans, net of deferred fees and costs     36,860,281    
Retained earnings     1,032,606    
Cumulative Effect, Period of Adoption, Adjustment          
Basis Of Presentation [Line Items]          
Financing receivable, allowance for credit loss     82,994 $ 82,994  
Reserve for unfunded commitments     27,440    
Allowance for credit losses     110,434    
Loans, net of deferred fees and costs     (20,767)    
Retained earnings     (35,721)    
Commercial and industrial          
Basis Of Presentation [Line Items]          
Financing receivable, allowance for credit loss     145,782    
Commercial and industrial | Accounting Standards Update 2016-02          
Basis Of Presentation [Line Items]          
Financing receivable, allowance for credit loss     143,472    
Commercial and industrial | Cumulative Effect, Period of Adoption, Adjustment          
Basis Of Presentation [Line Items]          
Financing receivable, allowance for credit loss     (2,310)    
Commercial real estate          
Basis Of Presentation [Line Items]          
Financing receivable, allowance for credit loss     67,430    
Commercial real estate | Accounting Standards Update 2016-02          
Basis Of Presentation [Line Items]          
Financing receivable, allowance for credit loss     66,779    
Commercial real estate | Cumulative Effect, Period of Adoption, Adjustment          
Basis Of Presentation [Line Items]          
Financing receivable, allowance for credit loss     (651)    
Consumer mortgages          
Basis Of Presentation [Line Items]          
Financing receivable, allowance for credit loss     68,190    
Consumer mortgages | Accounting Standards Update 2016-02          
Basis Of Presentation [Line Items]          
Financing receivable, allowance for credit loss     154,145    
Consumer mortgages | Cumulative Effect, Period of Adoption, Adjustment          
Basis Of Presentation [Line Items]          
Financing receivable, allowance for credit loss     $ 85,955