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Basis of Presentation and Significant Accounting Policies - Additional Information (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Property, Plant and Equipment [Line Items]    
Loans held for sale, at fair value $ 35,458 $ 63,250
Residential Mortgage Loans    
Property, Plant and Equipment [Line Items]    
Loans held for sale, at fair value $ 35,500 $ 63,300
Minimum    
Property, Plant and Equipment [Line Items]    
Maturity of short-term securities sold under agreements to repurchase 1 day  
Minimum | Core Deposits and Other Intangible Assets    
Property, Plant and Equipment [Line Items]    
Estimated useful lives of core deposits and customer relationships 5 years  
Minimum | Building and Building Improvements    
Property, Plant and Equipment [Line Items]    
Useful lives for premises and equipment, years 10 years  
Minimum | Furniture and Equipment    
Property, Plant and Equipment [Line Items]    
Useful lives for premises and equipment, years 3 years  
Maximum    
Property, Plant and Equipment [Line Items]    
Maturity of short-term securities sold under agreements to repurchase 4 days  
Maximum | Core Deposits and Other Intangible Assets    
Property, Plant and Equipment [Line Items]    
Estimated useful lives of core deposits and customer relationships 15 years  
Maximum | Building and Building Improvements    
Property, Plant and Equipment [Line Items]    
Useful lives for premises and equipment, years 39 years  
Maximum | Furniture and Equipment    
Property, Plant and Equipment [Line Items]    
Useful lives for premises and equipment, years 7 years