Fair Value Measurements - Mortgage Servicing Rights - Summary (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Assets:
Available for sale debt securities fair value	$ 259,653	$ 250,747
Loans held for sale	1,753	591
Mortgage servicing rights	2,934	2,899
U.S. Treasury
Assets:
Available for sale debt securities fair value	5,104	2,152
U.S. government-sponsored enterprises
Assets:
Available for sale debt securities fair value	25,217	23,777
Obligations of states and political subdivisions
Assets:
Available for sale debt securities fair value	112,589	109,440
Mortgage-backed securities
Assets:
Available for sale debt securities fair value	104,380	102,699
Other debt securities
Assets:
Available for sale debt securities fair value	10,726	10,943
Bank-issued trust preferred securities
Assets:
Available for sale debt securities fair value	1,147	1,177
Quoted Prices in Active Markets for Identical Assets (Level 1)
Assets:
Available for sale debt securities fair value	5,104	2,152
Loans held for sale	0	0
Total	48,434	96,826
Liabilities:
Total	1,268,337	1,383,134
Other Observable Inputs (Level 2)
Assets:
Available for sale debt securities fair value	254,549	248,595
Loans held for sale	1,753	591
Total	265,076	258,063
Liabilities:
Total	131,523	137,200
Significant Unobservable Inputs (Level 3)
Assets:
Available for sale debt securities fair value	0	0
Loans held for sale	0	0
Total	1,434,718	1,389,038
Liabilities:
Total	342,897	250,451
Recurring
Assets:
Loans held for sale	1,753	591
Mortgage servicing rights	2,934	2,899
Total	264,508	254,306
Liabilities:
Total	11	21
Recurring \| U.S. Treasury
Assets:
Available for sale debt securities fair value	5,104	2,152
Recurring \| U.S. government and federal agency obligations
Assets:
Available for sale debt securities fair value	490	559
Recurring \| U.S. government-sponsored enterprises
Assets:
Available for sale debt securities fair value	25,217	23,777
Recurring \| Obligations of states and political subdivisions
Assets:
Available for sale debt securities fair value	112,589	109,440
Recurring \| Mortgage-backed securities
Assets:
Available for sale debt securities fair value	104,380	102,699
Recurring \| Other debt securities
Assets:
Available for sale debt securities fair value	10,726	10,943
Recurring \| Bank-issued trust preferred securities
Assets:
Available for sale debt securities fair value	1,147	1,177
Recurring \| Equity securities
Assets:
Available for sale debt securities fair value	54	46
Recurring \| Interest rate lock commitments
Assets:
Commitments	108	20
Liabilities:
Commitments	1	18
Recurring \| Forward sale commitments
Assets:
Commitments	6	3
Liabilities:
Commitments	10	3
Recurring \| Quoted Prices in Active Markets for Identical Assets (Level 1)
Assets:
Loans held for sale	0	0
Mortgage servicing rights	0	0
Total	5,158	2,198
Liabilities:
Total	0	0
Recurring \| Quoted Prices in Active Markets for Identical Assets (Level 1) \| U.S. Treasury
Assets:
Available for sale debt securities fair value	5,104	2,152
Recurring \| Quoted Prices in Active Markets for Identical Assets (Level 1) \| U.S. government and federal agency obligations
Assets:
Available for sale debt securities fair value	0	0
Recurring \| Quoted Prices in Active Markets for Identical Assets (Level 1) \| U.S. government-sponsored enterprises
Assets:
Available for sale debt securities fair value	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 fair value	0	0
Recurring \| Quoted Prices in Active Markets for Identical Assets (Level 1) \| Mortgage-backed securities
Assets:
Available for sale debt securities fair value	0	0
Recurring \| Quoted Prices in Active Markets for Identical Assets (Level 1) \| Other debt securities
Assets:
Available for sale debt securities fair value	0	0
Recurring \| Quoted Prices in Active Markets for Identical Assets (Level 1) \| Bank-issued trust preferred securities
Assets:
Available for sale debt securities fair value	0	0
Recurring \| Quoted Prices in Active Markets for Identical Assets (Level 1) \| Equity securities
Assets:
Available for sale debt securities fair value	54	46
Recurring \| Quoted Prices in Active Markets for Identical Assets (Level 1) \| Interest rate lock commitments
Assets:
Commitments	0	0
Liabilities:
Commitments	0	0
Recurring \| Quoted Prices in Active Markets for Identical Assets (Level 1) \| Forward sale commitments
Assets:
Commitments	0	0
Liabilities:
Commitments	0	0
Recurring \| Other Observable Inputs (Level 2)
Assets:
Loans held for sale	1,753	591
Mortgage servicing rights	0	0
Total	256,308	249,189
Liabilities:
Total	10	3
Recurring \| Other Observable Inputs (Level 2) \| U.S. Treasury
Assets:
Available for sale debt securities fair value	0	0
Recurring \| Other Observable Inputs (Level 2) \| U.S. government and federal agency obligations
Assets:
Available for sale debt securities fair value	490	559
Recurring \| Other Observable Inputs (Level 2) \| U.S. government-sponsored enterprises
Assets:
Available for sale debt securities fair value	25,217	23,777
Recurring \| Other Observable Inputs (Level 2) \| Obligations of states and political subdivisions
Assets:
Available for sale debt securities fair value	112,589	109,440
Recurring \| Other Observable Inputs (Level 2) \| Mortgage-backed securities
Assets:
Available for sale debt securities fair value	104,380	102,699
Recurring \| Other Observable Inputs (Level 2) \| Other debt securities
Assets:
Available for sale debt securities fair value	10,726	10,943
Recurring \| Other Observable Inputs (Level 2) \| Bank-issued trust preferred securities
Assets:
Available for sale debt securities fair value	1,147	1,177
Recurring \| Other Observable Inputs (Level 2) \| Equity securities
Assets:
Available for sale debt securities fair value	0	0
Recurring \| Other Observable Inputs (Level 2) \| Interest rate lock commitments
Assets:
Commitments	0	0
Liabilities:
Commitments	0	0
Recurring \| Other Observable Inputs (Level 2) \| Forward sale commitments
Assets:
Commitments	6	3
Liabilities:
Commitments	10	3
Recurring \| Significant Unobservable Inputs (Level 3)
Assets:
Loans held for sale	0	0
Mortgage servicing rights	2,934	2,899
Total	3,042	2,919
Liabilities:
Total	1	18
Recurring \| Significant Unobservable Inputs (Level 3) \| U.S. Treasury
Assets:
Available for sale debt securities fair value	0	0
Recurring \| Significant Unobservable Inputs (Level 3) \| U.S. government and federal agency obligations
Assets:
Available for sale debt securities fair value	0	0
Recurring \| Significant Unobservable Inputs (Level 3) \| U.S. government-sponsored enterprises
Assets:
Available for sale debt securities fair value	0	0
Recurring \| Significant Unobservable Inputs (Level 3) \| Obligations of states and political subdivisions
Assets:
Available for sale debt securities fair value	0	0
Recurring \| Significant Unobservable Inputs (Level 3) \| Mortgage-backed securities
Assets:
Available for sale debt securities fair value	0	0
Recurring \| Significant Unobservable Inputs (Level 3) \| Other debt securities
Assets:
Available for sale debt securities fair value	0	0
Recurring \| Significant Unobservable Inputs (Level 3) \| Bank-issued trust preferred securities
Assets:
Available for sale debt securities fair value	0	0
Recurring \| Significant Unobservable Inputs (Level 3) \| Equity securities
Assets:
Available for sale debt securities fair value	0	0
Recurring \| Significant Unobservable Inputs (Level 3) \| Interest rate lock commitments
Assets:
Commitments	108	20
Liabilities:
Commitments	1	18
Recurring \| Significant Unobservable Inputs (Level 3) \| Forward sale commitments
Assets:
Commitments	0	0
Liabilities:
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 excluding accrued interest, 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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Fair value of an asset representing net future revenue from contractually specified servicing fees, late charges, and other ancillary revenues, in excess of future costs related to servicing arrangements.

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