Investment Securities - Held-to-Maturity and Available-for-Sale, Scheduled Maturities (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022	Mar. 31, 2022	Dec. 31, 2021
Debt Securities, Held-to-maturity, Fair Value to Amortized Cost [Abstract]
Securities, Held-to-Maturity, Amortized Cost	$ 151,347	$ 154,727
Securities Held-to-Maturity, Gross Unrealized Gains	0	0
Debt Securities, Held-to-Maturity, Accumulated Unrecognized Loss	(18,200)	(20,659)
Debt Securities, Held-to-Maturity, Allowance for Credit Loss, Excluding Accrued Interest	0	0
Debt Securities, Held-to-Maturity, Excluding Accrued Interest, after Allowance for Credit Loss	133,147	134,068
Debt Securities, Available-for-sale [Abstract]
Investment securities available-for-sale (amortized cost $414,118 and $402,111, net of allowance for credit losses of $1,432 and $1,140 at March 31, 2023 and December 31, 2022, respectively)	414,118	402,111
Securities Available-for-Sale, Gross Unrealized Gain	37	10
Securities Available-for-Sale, Gross Unrealized Losses	(45,067)	(50,725)
Allowance for credit losses	1,432	1,140
Debt securities	367,656	350,256
State and Political Subdivisions [Member]
Debt Securities, Available-for-sale [Abstract]
Securities Available-for-Sale, Amortized Cost, Within 1 Year	1,030
Securities Available-for-Sale,Gross Unrealized Gain, Within 1 Year	1
Securities Available-for-Sale, Gross Unrealized Losses, Within 1 Year	0
Securities Available-for-Sale, Allowance for Credit Loss, Within 1 Year	0
Securities Available-for-Sale, Fair Value, Within 1 Year	1,031
Securities Available-for-Sale, Amortized Cost, After 1 Year to 5 Years	1,297	2,327
Securities Available-for-Sale,Gross Unrealized Gain, After 1 Year to 5 Years	0	0
Securities Available-for-Sale, Gross Unrealized Losses, After 1 Year to 5 Years	(31)	(42)
Securities Available-for-sale, Allowance for Credit Loss, After 1 Year to 5 Years	0	0
Securities Available-for-Sale, Fair Value, After 1 Year to 5 Years	1,266	2,285
Investment securities available-for-sale (amortized cost $414,118 and $402,111, net of allowance for credit losses of $1,432 and $1,140 at March 31, 2023 and December 31, 2022, respectively)	2,327	2,327
Securities Available-for-Sale, Gross Unrealized Gain	1	0
Securities Available-for-Sale, Gross Unrealized Losses	(31)	(42)
Allowance for credit losses	0	0
Debt securities	2,297	2,285
Residential Mortgage-Backed Securities [Member]
Debt Securities, Held-to-maturity, Fair Value to Amortized Cost [Abstract]
Securities Held-to-Maturity, Amortized Cost, After 1 Year to 5 Years	2,554	1,654
Securities Held-to-Maturity, Gross Unrealized Gains, After 1 Year to 5 Years	0	0
Securities Held-to-Maturity, Gross Unrealized Losses, After 1 Year to 5 Years	(87)	(70)
Securities Held-to-Maturity, Allowance for Credit Loss, After 1 Year to 5 Years		0
Securities Held-to-Maturity, Fair Value, After 1 Year to 5 Years	2,467	1,584
Securities Held-to-Maturity, Amortized Cost, After 5 Years to 10 Years	7,531	6,076
Securities Held-to-Maturity, Gross Unrealized Gains, After 5 Years to 10 Years	0	0
Securities Held-to-Maturity, Gross Unrealized Losses, After 5 Years to 10 Years	(398)	(342)
Securities, Held-to-Maturity, Allowance for Credit Loss, After 5 Years To 10 Years	0	0
Securities Held-to-Maturity, Fair Value, After 5 Years to 10 Years	7,133	5,734
Securities Held-to-Maturity, Amortized Cost, Over 10 Years	141,262	146,997
Securities Held-to-Maturity, Gross Unrealized Gain, Over 10 Years	0	0
Securities Held-to-Maturity, Gross Unrealized Losses, Over 10 Years	(17,715)	(20,247)
Securities Held-to-maturity, Allowance for Credit Loss, Over 10 Years	0	0
Securities Held-to-Maturity, Fair Value, After 10 years	123,547	126,750
Securities, Held-to-Maturity, Amortized Cost	151,347	154,727
Securities Held-to-Maturity, Gross Unrealized Gains	0	0
Debt Securities, Held-to-Maturity, Accumulated Unrecognized Loss	(18,200)	(20,659)
Debt Securities, Held-to-Maturity, Allowance for Credit Loss, Excluding Accrued Interest	0	0
Debt Securities, Held-to-Maturity, Excluding Accrued Interest, after Allowance for Credit Loss	133,147	134,068
Debt Securities, Available-for-sale [Abstract]
Securities Available-for-Sale, Amortized Cost, After 1 Year to 5 Years	784	864
Securities Available-for-Sale,Gross Unrealized Gain, After 1 Year to 5 Years	0	0
Securities Available-for-Sale, Gross Unrealized Losses, After 1 Year to 5 Years	(29)	(37)
Securities Available-for-sale, Allowance for Credit Loss, After 1 Year to 5 Years	0	0
Securities Available-for-Sale, Fair Value, After 1 Year to 5 Years	755	827
Securities Available-for-Sale, Amortized Cost, After 5 Years to 10 Years	15,617	10,399
Securities Available-for-Sale,Gross Unrealized Gain, After 5 Years to 10 Years	0	0
Securities Available-for-Sale, Gross Unrealized Losses, After 5 Years to 10 Years	(1,194)	(815)
Securities Available-for-Sale, Allowance for Credit Loss, After 5 Years to 10 Years	0	0
Securities Available-for-Sale, Fair Value, After 5 Years to 10 Years	14,423	9,584
Securities Available-for-Sale, Amortized Cost, Over 10 Years	301,712	294,261
Securities Available-for-Sale,Gross Unrealized Gain, Over 10 Years	32	7
Securities Available-for-Sale, Gross Unrealized Losses, Over 10 Years	(36,128)	(41,291)
Securities Available-for-Sale, Allowance for Credit Loss, After 10 Years	0	0
Securities Available-for-Sale, Fair Value, Over 10 Years	265,616	252,977
Investment securities available-for-sale (amortized cost $414,118 and $402,111, net of allowance for credit losses of $1,432 and $1,140 at March 31, 2023 and December 31, 2022, respectively)	318,113	305,524
Securities Available-for-Sale, Gross Unrealized Gain	32	7
Securities Available-for-Sale, Gross Unrealized Losses	(37,351)	(42,143)
Allowance for credit losses	0	0
Debt securities	280,794	263,388
Collateralized Mortgage Obligations [Member]
Debt Securities, Available-for-sale [Abstract]
Securities Available-for-Sale, Amortized Cost, After 5 Years to 10 Years	305	324
Securities Available-for-Sale,Gross Unrealized Gain, After 5 Years to 10 Years	0	0
Securities Available-for-Sale, Gross Unrealized Losses, After 5 Years to 10 Years	(18)	(22)
Securities Available-for-Sale, Allowance for Credit Loss, After 5 Years to 10 Years	0	0
Securities Available-for-Sale, Fair Value, After 5 Years to 10 Years	287	302
Securities Available-for-Sale, Amortized Cost, Over 10 Years	2,199	2,257
Securities Available-for-Sale,Gross Unrealized Gain, Over 10 Years	0	0
Securities Available-for-Sale, Gross Unrealized Losses, Over 10 Years	(215)	(237)
Securities Available-for-Sale, Allowance for Credit Loss, After 10 Years	0	0
Securities Available-for-Sale, Fair Value, Over 10 Years	1,984	2,020
Investment securities available-for-sale (amortized cost $414,118 and $402,111, net of allowance for credit losses of $1,432 and $1,140 at March 31, 2023 and December 31, 2022, respectively)	2,504	2,581
Securities Available-for-Sale, Gross Unrealized Gain	0	0
Securities Available-for-Sale, Gross Unrealized Losses	(233)	(259)
Allowance for credit losses	0	0
Debt securities	2,271	2,322
Corporate Bonds [Member]
Debt Securities, Available-for-sale [Abstract]
Securities Available-for-Sale, Amortized Cost, Within 1 Year	1,500	1,000
Securities Available-for-Sale,Gross Unrealized Gain, Within 1 Year	0	0
Securities Available-for-Sale, Gross Unrealized Losses, Within 1 Year	(1)	0
Securities Available-for-Sale, Allowance for Credit Loss, Within 1 Year	(1)	0
Securities Available-for-Sale, Fair Value, Within 1 Year	1,498	1,000
Securities Available-for-Sale, Amortized Cost, After 1 Year to 5 Years	29,674	30,679
Securities Available-for-Sale,Gross Unrealized Gain, After 1 Year to 5 Years	4	3
Securities Available-for-Sale, Gross Unrealized Losses, After 1 Year to 5 Years	(1,163)	(1,516)
Securities Available-for-sale, Allowance for Credit Loss, After 1 Year to 5 Years	(200)	(152)
Securities Available-for-Sale, Fair Value, After 1 Year to 5 Years	28,315	29,014
Securities Available-for-Sale, Amortized Cost, After 5 Years to 10 Years	60,000	60,000
Securities Available-for-Sale,Gross Unrealized Gain, After 5 Years to 10 Years	0	0
Securities Available-for-Sale, Gross Unrealized Losses, After 5 Years to 10 Years	(6,288)	(6,765)
Securities Available-for-Sale, Allowance for Credit Loss, After 5 Years to 10 Years	(1,231)	(988)
Securities Available-for-Sale, Fair Value, After 5 Years to 10 Years	52,481	52,247
Investment securities available-for-sale (amortized cost $414,118 and $402,111, net of allowance for credit losses of $1,432 and $1,140 at March 31, 2023 and December 31, 2022, respectively)	91,174	91,679
Securities Available-for-Sale, Gross Unrealized Gain	4	3
Securities Available-for-Sale, Gross Unrealized Losses	(7,452)	(8,281)
Allowance for credit losses	1,432	1,140	$ 1,275	$ 929
Debt securities	$ 82,294	$ 82,261