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Other Operating Income and Expense - Additional Information (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Finite Lived Intangible Assets [Line Items]    
Revenue, remaining performance obligation, amount $ 0  
Contract with customer, liability, total 0  
Service and Other Charges on Deposit Accounts, Mortgage Fees From Secondary Market Transactions at The Bank ATM Fee Income and Other Noninterest Income [Member]    
Finite Lived Intangible Assets [Line Items]    
Revenue from Contract with Customer, Including Assessed Tax $ 500 $ 700