Goodwill and Other Intangible Assets - Current Year Amortization Expense for Finite-Lived Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Finite-Lived Intangible Assets [Line Items]
Total intangible amortization	$ 1,366	$ 1,598
Core deposit intangibles
Finite-Lived Intangible Assets [Line Items]
Total intangible amortization	1,321	1,553
Customer relationship intangible
Finite-Lived Intangible Assets [Line Items]
Total intangible amortization	$ 45	$ 45