Regulatory Capital Requirements - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Bank | Trust Preferred Securities Interest and Preferred Dividends
Compliance With Regulatory Capital Requirements Under Banking Regulations [Line Items]
Proceeds from Dividends Received	$ 24.0	$ 7.5
Federal Deposit Corporation And Federal Reserve Board
Compliance With Regulatory Capital Requirements Under Banking Regulations [Line Items]
Capital conservation buffer above the minimum capital requirements	6.70%
Federal Deposit Corporation And Federal Reserve Board | Bank
Compliance With Regulatory Capital Requirements Under Banking Regulations [Line Items]
Capital conservation buffer above the minimum capital requirements	5.38%
Federal Deposit Corporation And Federal Reserve Board | Rules Phased in beginning January 2016
Compliance With Regulatory Capital Requirements Under Banking Regulations [Line Items]
Additional capital conservation buffer requirement subsequent years ratio		2.50%