Goodwill and Other Intangible Assets - Components of Intangible Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021	Mar. 31, 2021	Dec. 31, 2020
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	$ 42,555	$ 41,841
Accumulated amortization	(30,771)	(29,993)
Net carrying amount	11,784	11,848
Core Deposits [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	6,788	6,788
Accumulated amortization	(5,566)	(5,425)
Net carrying amount	1,222	1,363
Customer Related Intangibles [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	8,493	8,493
Accumulated amortization	(6,053)	(5,886)
Net carrying amount	2,440	2,607
Servicing Rights [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	27,274	26,560
Accumulated amortization	(19,152)	(18,682)
Net carrying amount	8,122	7,878
Valuation allowance included in accumulated amortization	$ 7	$ 13	$ 1	$ 87