Other Intangible Assets - Schedule of Finite-Lived Intangible Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 9,925	$ 9,925
Accumulated Amortization	(8,815)	(8,425)
Net Carrying Amount	1,110	1,500	$ 1,918
Rollforward of Intangible Assets:
Beginning balance	1,500	1,918	1,950
Intangible Assets Acquired	0	10	436
Intangible Assets Disposed	0	0	0
Amortization of Intangible Assets	(390)	(428)	(468)
Ending balance	1,110	1,500	1,918
Depositor Intangibles
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	2,247	2,247
Accumulated Amortization	(2,247)	(2,247)
Net Carrying Amount	0	0	0
Rollforward of Intangible Assets:
Beginning balance	0	0	0
Intangible Assets Acquired	0	0	0
Intangible Assets Disposed	0	0	0
Amortization of Intangible Assets	0	0	0
Ending balance	0	0	0
Mortgage Servicing Rights
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	3,296	3,296
Accumulated Amortization	(2,725)	(2,511)
Net Carrying Amount	571	785	1,010
Rollforward of Intangible Assets:
Beginning balance	785	1,010	832
Intangible Assets Acquired	0	10	436
Intangible Assets Disposed	0	0	0
Amortization of Intangible Assets	(214)	(235)	(258)
Ending balance	571	785	1,010
Customer Intangibles
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	4,382	4,382
Accumulated Amortization	(3,843)	(3,667)
Net Carrying Amount	539	715	908
Rollforward of Intangible Assets:
Beginning balance	715	908	1,118
Intangible Assets Acquired	0	0	0
Intangible Assets Disposed	0	0	0
Amortization of Intangible Assets	(176)	(193)	(210)
Ending balance	$ 539	$ 715	$ 908