Fair Value Measurements - Mortgage Servicing Rights - Summary (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Assets:
Available for sale debt securities	$ 267,274	$ 310,870
Loans held for sale	1,716	2,249
Mortgage servicing rights	2,730	2,659
U.S. Treasury
Assets:
Available for sale debt securities	3,775	3,917
U.S. government-sponsored enterprises
Assets:
Available for sale debt securities	24,620	26,372
Obligations of states and political subdivisions
Assets:
Available for sale debt securities	112,105	129,224
Mortgage-backed securities
Assets:
Available for sale debt securities	112,998	136,466
Other debt securities
Assets:
Available for sale debt securities	11,578	12,284
Bank issued trust preferred securities
Assets:
Available for sale debt securities	1,236	1,288
Quoted Prices in Active Markets for Identical Assets (Level 1)
Assets:
Available for sale debt securities	3,775	3,917
Loans held for sale	0	0
Total	42,691	175,700
Liabilities:
Total	1,275,110	1,295,535
Other Observable Inputs (Level 2)
Assets:
Available for sale debt securities	263,499	306,953
Loans held for sale	1,716	2,249
Total	272,830	317,071
Liabilities:
Total	109,176	121,060
Significant Unobservable Inputs (Level 3)
Assets:
Available for sale debt securities	0	0
Loans held for sale	0	0
Total	1,401,297	1,308,851
Liabilities:
Total	260,290	246,051
Recurring
Assets:
Loans held for sale	1,716	2,249
Mortgage servicing rights	2,730	2,659
Total	271,881	316,162
Liabilities:
Total	4	26
Recurring \| U.S. Treasury
Assets:
Available for sale debt securities	3,775	3,917
Recurring \| U.S. government and federal agency obligations
Assets:
Available for sale debt securities	962	1,319
Recurring \| U.S. government-sponsored enterprises
Assets:
Available for sale debt securities	24,620	26,372
Recurring \| Obligations of states and political subdivisions
Assets:
Available for sale debt securities	112,105	129,224
Recurring \| Mortgage-backed securities
Assets:
Available for sale debt securities	112,998	136,466
Recurring \| Other debt securities
Assets:
Available for sale debt securities	11,578	12,284
Recurring \| Bank issued trust preferred securities
Assets:
Available for sale debt securities	1,236	1,288
Recurring \| Equity securities
Assets:
Available for sale debt securities	47	60
Recurring \| Interest rate lock commitments
Assets:
Commitments	99	312
Liabilities:
Interest rate lock commitments	4	26
Recurring \| Forward sale commitments
Assets:
Commitments	15	12
Recurring \| Quoted Prices in Active Markets for Identical Assets (Level 1)
Assets:
Loans held for sale	0	0
Mortgage servicing rights	0	0
Total	3,822	3,977
Liabilities:
Total	0	0
Recurring \| Quoted Prices in Active Markets for Identical Assets (Level 1) \| U.S. Treasury
Assets:
Available for sale debt securities	3,775	3,917
Recurring \| Quoted Prices in Active Markets for Identical Assets (Level 1) \| U.S. government and federal agency obligations
Assets:
Available for sale debt securities	0	0
Recurring \| Quoted Prices in Active Markets for Identical Assets (Level 1) \| U.S. government-sponsored enterprises
Assets:
Available for sale debt securities	0	0
Recurring \| Quoted Prices in Active Markets for Identical Assets (Level 1) \| Obligations of states and political subdivisions
Assets:
Available for sale debt securities	0	0
Recurring \| Quoted Prices in Active Markets for Identical Assets (Level 1) \| Mortgage-backed securities
Assets:
Available for sale debt securities	0	0
Recurring \| Quoted Prices in Active Markets for Identical Assets (Level 1) \| Other debt securities
Assets:
Available for sale debt securities	0	0
Recurring \| Quoted Prices in Active Markets for Identical Assets (Level 1) \| Bank issued trust preferred securities
Assets:
Available for sale debt securities	0	0
Recurring \| Quoted Prices in Active Markets for Identical Assets (Level 1) \| Equity securities
Assets:
Available for sale debt securities	47	60
Recurring \| Quoted Prices in Active Markets for Identical Assets (Level 1) \| Interest rate lock commitments
Assets:
Commitments	0	0
Liabilities:
Interest rate lock commitments	0	0
Recurring \| Quoted Prices in Active Markets for Identical Assets (Level 1) \| Forward sale commitments
Assets:
Commitments	0	0
Recurring \| Other Observable Inputs (Level 2)
Assets:
Loans held for sale	1,716	2,249
Mortgage servicing rights	0	0
Total	265,230	309,214
Liabilities:
Total	0	0
Recurring \| Other Observable Inputs (Level 2) \| U.S. Treasury
Assets:
Available for sale debt securities	0	0
Recurring \| Other Observable Inputs (Level 2) \| U.S. government and federal agency obligations
Assets:
Available for sale debt securities	962	1,319
Recurring \| Other Observable Inputs (Level 2) \| U.S. government-sponsored enterprises
Assets:
Available for sale debt securities	24,620	26,372
Recurring \| Other Observable Inputs (Level 2) \| Obligations of states and political subdivisions
Assets:
Available for sale debt securities	112,105	129,224
Recurring \| Other Observable Inputs (Level 2) \| Mortgage-backed securities
Assets:
Available for sale debt securities	112,998	136,466
Recurring \| Other Observable Inputs (Level 2) \| Other debt securities
Assets:
Available for sale debt securities	11,578	12,284
Recurring \| Other Observable Inputs (Level 2) \| Bank issued trust preferred securities
Assets:
Available for sale debt securities	1,236	1,288
Recurring \| Other Observable Inputs (Level 2) \| Equity securities
Assets:
Available for sale debt securities	0	0
Recurring \| Other Observable Inputs (Level 2) \| Interest rate lock commitments
Assets:
Commitments	0	0
Liabilities:
Interest rate lock commitments	0	0
Recurring \| Other Observable Inputs (Level 2) \| Forward sale commitments
Assets:
Commitments	15	12
Recurring \| Significant Unobservable Inputs (Level 3)
Assets:
Loans held for sale	0	0
Mortgage servicing rights	2,730	2,659
Total	2,829	2,971
Liabilities:
Total	4	26
Recurring \| Significant Unobservable Inputs (Level 3) \| U.S. Treasury
Assets:
Available for sale debt securities	0	0
Recurring \| Significant Unobservable Inputs (Level 3) \| U.S. government and federal agency obligations
Assets:
Available for sale debt securities	0	0
Recurring \| Significant Unobservable Inputs (Level 3) \| U.S. government-sponsored enterprises
Assets:
Available for sale debt securities	0	0
Recurring \| Significant Unobservable Inputs (Level 3) \| Obligations of states and political subdivisions
Assets:
Available for sale debt securities	0	0
Recurring \| Significant Unobservable Inputs (Level 3) \| Mortgage-backed securities
Assets:
Available for sale debt securities	0	0
Recurring \| Significant Unobservable Inputs (Level 3) \| Other debt securities
Assets:
Available for sale debt securities	0	0
Recurring \| Significant Unobservable Inputs (Level 3) \| Bank issued trust preferred securities
Assets:
Available for sale debt securities	0	0
Recurring \| Significant Unobservable Inputs (Level 3) \| Equity securities
Assets:
Available for sale debt securities	0	0
Recurring \| Significant Unobservable Inputs (Level 3) \| Interest rate lock commitments
Assets:
Commitments	99	312
Liabilities:
Interest rate lock commitments	4	26
Recurring \| Significant Unobservable Inputs (Level 3) \| Forward sale commitments
Assets:
Commitments	$ 0	$ 0

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount, before valuation allowance, of financing receivable classified as held-for-sale.

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