Securities - Trading Securities (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Debt and Equity Securities, FV-NI [Line Items]
Equity securities	$ 10,366	$ 6,649
Corporate equity securities
Debt and Equity Securities, FV-NI [Line Items]
Equity securities	6,715	4,343
Mutual funds
Debt and Equity Securities, FV-NI [Line Items]
Equity securities	2,566	1,283
Money market
Debt and Equity Securities, FV-NI [Line Items]
Equity securities	506	404
Corporate notes and bonds
Debt and Equity Securities, FV-NI [Line Items]
Equity securities	579	569
U.S. Government sponsored entities
Debt and Equity Securities, FV-NI [Line Items]
Equity securities	$ 0	$ 50