Securities Available for Sale - Proceeds and Gross Realized Gains and Losses from Sales of Other Securities Available for Sale (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Investments, Debt and Equity Securities [Abstract]
Proceeds	[1]	$ 106,192	$ 6,217	$ 12,548
Gross realized gains		708	14	9
Gross realized losses		$ (952)	$ (3)	$ (1)

[1] Prior period amounts have been reclassified to conform to the current period presentation. See “Notes to Consolidated Financial Statements – Note 1. Summary of Significant Accounting Policies” for additional information.