Loans - Allowance for Loan Losses (Details) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2023 USD ($) loan	Sep. 30, 2022 USD ($)	Sep. 30, 2023 USD ($) loan	Sep. 30, 2022 USD ($)	Dec. 31, 2022 USD ($)
Rollforward of the Allowance for Credit Losses for the Quarterly Period:
Allowance for Loan Losses, Beginning balance	$ 31,170	$ 28,090	$ 29,952	$ 27,281
Charge-offs	(1,204)	(1,147)	(3,812)	(2,883)
Recoveries	792	574	2,116	1,445
Provision	354	1,715	2,856	3,389
Allowance for Loan Losses, Ending balance	$ 31,112	29,232	$ 31,112	29,232
Number of loans individually evaluated for impairment \| loan	4		4
Number of loans with an allowance for credit loss on loans individually evaluated for impairment \| loan	0		0
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract]
Ending Loan Balance - Collectively Evaluated	$ 3,136,668	2,920,134	$ 3,136,668	2,920,134	$ 2,978,134
Allowance for Credit Losses - Loans Collectively Evaluated	31,112	29,232	31,112	29,232	29,952
Ending Loan Balance - Individually Evaluated	1,949	4,660	1,949	4,660	5,073
Allowance for Credit Losses - Loans Individually Evaluated	0	0	0	0	0
Commercial
Rollforward of the Allowance for Credit Losses for the Quarterly Period:
Charge-offs			0
Commercial Real Estate
Rollforward of the Allowance for Credit Losses for the Quarterly Period:
Charge-offs			0
Consumer
Rollforward of the Allowance for Credit Losses for the Quarterly Period:
Allowance for Loan Losses, Beginning balance	2,646	2,358	2,585	2,402
Charge-offs	(1,204)	(1,103)	(3,806)	(2,805)
Recoveries	792	574	2,116	1,419
Provision	301	692	1,640	1,505
Allowance for Loan Losses, Ending balance	2,535	2,521	2,535	2,521
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract]
Ending Loan Balance - Collectively Evaluated	1,107,637	1,055,585	1,107,637	1,055,585	1,065,135
Allowance for Credit Losses - Loans Collectively Evaluated	2,535	2,521	2,535	2,521	2,585
Ending Loan Balance - Individually Evaluated	0	0	0	0	0
Allowance for Credit Losses - Loans Individually Evaluated	0	0	0	0	0
Residential
Rollforward of the Allowance for Credit Losses for the Quarterly Period:
Allowance for Loan Losses, Beginning balance	10,855	9,331	10,193	9,445
Charge-offs	0	0	(6)	(30)
Recoveries	0	0	0	0
Provision	306	509	974	425
Allowance for Loan Losses, Ending balance	11,161	9,840	11,161	9,840
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract]
Ending Loan Balance - Collectively Evaluated	1,146,361	1,049,525	1,146,361	1,049,525	1,068,794
Allowance for Credit Losses - Loans Collectively Evaluated	11,161	9,840	11,161	9,840	10,193
Ending Loan Balance - Individually Evaluated	1,949	1,494	1,949	1,494	1,963
Allowance for Credit Losses - Loans Individually Evaluated	0	0	0	0	0
Commercial
Rollforward of the Allowance for Credit Losses for the Quarterly Period:
Allowance for Loan Losses, Beginning balance	1,972	2,465	1,961	2,298
Charge-offs	0	(44)	0	(48)
Recoveries	0	0	0	26
Provision	(139)	(416)	(128)	(271)
Allowance for Loan Losses, Ending balance	1,833	2,005	1,833	2,005
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract]
Ending Loan Balance - Collectively Evaluated	148,066	138,973	148,066	138,973	140,293
Allowance for Credit Losses - Loans Collectively Evaluated	1,833	2,005	1,833	2,005	1,961
Ending Loan Balance - Individually Evaluated	0	0	0	0	0
Allowance for Credit Losses - Loans Individually Evaluated	0	0	0	0	0
Commercial Real Estate
Rollforward of the Allowance for Credit Losses for the Quarterly Period:
Allowance for Loan Losses, Beginning balance	15,697	13,936	15,213	13,136
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Provision	(114)	930	370	1,730
Allowance for Loan Losses, Ending balance	15,583	14,866	15,583	14,866
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract]
Ending Loan Balance - Collectively Evaluated	734,604	676,051	734,604	676,051	703,912
Allowance for Credit Losses - Loans Collectively Evaluated	15,583	14,866	15,583	14,866	15,213
Ending Loan Balance - Individually Evaluated	0	3,166	0	3,166	3,110
Allowance for Credit Losses - Loans Individually Evaluated	$ 0	$ 0	$ 0	$ 0	$ 0

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Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease.

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The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment.

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Amount, excluding accrued interest, of increase in allowance for credit loss on financing receivable from recovery. Excludes net investment in lease.

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