Goodwill and Other Intangible Assets (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Amortized intangible assets [Abstract]
Gross carrying value	[1]	$ 4,456		$ 4,456		$ 4,096
Accumulated amortization	[1]	(2,779)		(2,779)		(2,428)
Net carrying value	[1]	1,677		1,677		1,668
Unamortized intangible assets [Abstract]
Goodwill	[1]	31,376		31,376		31,376
Actual and Estimated Future Amortization Expense [Abstract]
Amortization expense		114	$ 103	351	$ 306
Estimated Amortization Expense [Abstract]
Remaining 2021		126		126
2022		445		445
2023		351		351
2024		266		266
2025		187		187
Thereafter		302		302
Mortgage Servicing Rights (MSRs) [Member]
Amortized intangible assets [Abstract]
Gross carrying value	[1]	2,513		2,513		2,153
Accumulated amortization	[1]	(1,335)		(1,335)		(1,131)
Net carrying value	[1]	1,178		1,178		1,022
Actual and Estimated Future Amortization Expense [Abstract]
Amortization expense		65	46	204	144
Estimated Amortization Expense [Abstract]
Remaining 2021		81		81
2022		289		289
2023		230		230
2024		181		181
2025		137		137
Thereafter		260		260
Core Deposit Intangibles [Member]
Amortized intangible assets [Abstract]
Gross carrying value	[1]	1,943		1,943		1,943
Accumulated amortization	[1]	(1,444)		(1,444)		(1,297)
Net carrying value	[1]	499		499		$ 646
Actual and Estimated Future Amortization Expense [Abstract]
Amortization expense		49	$ 57	147	$ 162
Estimated Amortization Expense [Abstract]
Remaining 2021		45		45
2022		156		156
2023		121		121
2024		85		85
2025		50		50
Thereafter		$ 42		$ 42

[1] Excludes fully amortized intangible assets