Investment Securities - Held-to-Maturity and Available-for-Sale, Scheduled Maturities (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022	Jun. 30, 2022	Dec. 31, 2021
Debt Securities, Held-to-maturity, Fair Value to Amortized Cost [Abstract]
Securities, Held-to-Maturity, Amortized Cost	$ 153,509	$ 154,727
Securities Held-to-Maturity, Gross Unrealized Gains	0	0
Debt Securities, Held-to-Maturity, Accumulated Unrecognized Loss	(19,674)	(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	133,835	134,068
Debt Securities, Available-for-sale [Abstract]
Investment securities available-for-sale (amortized cost $405,808 and $402,111, net of allowance for credit losses of $1,537 and $1,140 at June 30, 2023 and December 31, 2022, respectively)	405,808	402,111
Securities Available-for-Sale, Gross Unrealized Gain	1	10
Securities Available-for-Sale, Gross Unrealized Losses	(48,108)	(50,725)
Allowance for credit losses	1,537	1,140
Debt securities	356,164	350,256
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	2,305	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	(104)	(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	2,201	1,584
Securities Held-to-Maturity, Amortized Cost, After 5 Years to 10 Years	8,619	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	(539)	(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	8,080	5,734
Securities Held-to-Maturity, Amortized Cost, Over 10 Years	142,585	146,997
Securities Held-to-Maturity, Gross Unrealized Gain, Over 10 Years	0	0
Securities Held-to-Maturity, Gross Unrealized Losses, Over 10 Years	(19,031)	(20,247)
Securities Held-to-maturity, Allowance for Credit Loss, Over 10 Years	0	0
Securities Held-to-Maturity, Fair Value, After 10 years	123,554	126,750
Securities, Held-to-Maturity, Amortized Cost	153,509	154,727
Securities Held-to-Maturity, Gross Unrealized Gains	0	0
Debt Securities, Held-to-Maturity, Accumulated Unrecognized Loss	(19,674)	(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	133,835	134,068
Debt Securities, Available-for-sale [Abstract]
Securities Available-for-Sale, Amortized Cost, After 1 Year to 5 Years	708	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	(32)	(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	676	827
Securities Available-for-Sale, Amortized Cost, After 5 Years to 10 Years	14,916	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	(1,347)	(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	13,569	9,584
Securities Available-for-Sale, Amortized Cost, Over 10 Years	294,572	294,261
Securities Available-for-Sale,Gross Unrealized Gain, Over 10 Years	0	7
Securities Available-for-Sale, Gross Unrealized Losses, Over 10 Years	(39,046)	(41,291)
Securities Available-for-Sale, Allowance for Credit Loss, After 10 Years	0	0
Securities Available-for-Sale, Fair Value, Over 10 Years	255,526	252,977
Investment securities available-for-sale (amortized cost $405,808 and $402,111, net of allowance for credit losses of $1,537 and $1,140 at June 30, 2023 and December 31, 2022, respectively)	310,196	305,524
Securities Available-for-Sale, Gross Unrealized Gain	0	7
Securities Available-for-Sale, Gross Unrealized Losses	(40,425)	(42,143)
Allowance for credit losses	0	0
Debt securities	269,771	263,388
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	0
Securities Available-for-Sale, Gross Unrealized Losses, Within 1 Year	(1)
Securities Available-for-Sale, Allowance for Credit Loss, Within 1 Year	0
Securities Available-for-Sale, Fair Value, Within 1 Year	1,029
Securities Available-for-Sale, Amortized Cost, After 1 Year to 5 Years	1,298	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	(44)	(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	1,254	2,285
Investment securities available-for-sale (amortized cost $405,808 and $402,111, net of allowance for credit losses of $1,537 and $1,140 at June 30, 2023 and December 31, 2022, respectively)	2,328	2,327
Securities Available-for-Sale, Gross Unrealized Gain	0	0
Securities Available-for-Sale, Gross Unrealized Losses	(45)	(42)
Allowance for credit losses	0	0
Debt securities	2,283	2,285
Collateralized Mortgage Obligations [Member]
Debt Securities, Available-for-sale [Abstract]
Securities Available-for-Sale, Amortized Cost, After 5 Years to 10 Years	279	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	(17)	(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	262	302
Securities Available-for-Sale, Amortized Cost, Over 10 Years	2,115	2,257
Securities Available-for-Sale,Gross Unrealized Gain, Over 10 Years	0	0
Securities Available-for-Sale, Gross Unrealized Losses, Over 10 Years	(239)	(237)
Securities Available-for-Sale, Allowance for Credit Loss, After 10 Years	0	0
Securities Available-for-Sale, Fair Value, Over 10 Years	1,876	2,020
Investment securities available-for-sale (amortized cost $405,808 and $402,111, net of allowance for credit losses of $1,537 and $1,140 at June 30, 2023 and December 31, 2022, respectively)	2,394	2,581
Securities Available-for-Sale, Gross Unrealized Gain	0	0
Securities Available-for-Sale, Gross Unrealized Losses	(256)	(259)
Allowance for credit losses	0	0
Debt securities	2,138	2,322
Corporate Bonds [Member]
Debt Securities, Available-for-sale [Abstract]
Securities Available-for-Sale, Amortized Cost, Within 1 Year	17,025	1,000
Securities Available-for-Sale,Gross Unrealized Gain, Within 1 Year	1	0
Securities Available-for-Sale, Gross Unrealized Losses, Within 1 Year	(268)	0
Securities Available-for-Sale, Allowance for Credit Loss, Within 1 Year	(117)	0
Securities Available-for-Sale, Fair Value, Within 1 Year	16,641	1,000
Securities Available-for-Sale, Amortized Cost, After 1 Year to 5 Years	13,865	30,679
Securities Available-for-Sale,Gross Unrealized Gain, After 1 Year to 5 Years	0	3
Securities Available-for-Sale, Gross Unrealized Losses, After 1 Year to 5 Years	(986)	(1,516)
Securities Available-for-sale, Allowance for Credit Loss, After 1 Year to 5 Years	(74)	(152)
Securities Available-for-Sale, Fair Value, After 1 Year to 5 Years	12,805	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	(6,128)	(6,765)
Securities Available-for-Sale, Allowance for Credit Loss, After 5 Years to 10 Years	(1,346)	(988)
Securities Available-for-Sale, Fair Value, After 5 Years to 10 Years	52,526	52,247
Investment securities available-for-sale (amortized cost $405,808 and $402,111, net of allowance for credit losses of $1,537 and $1,140 at June 30, 2023 and December 31, 2022, respectively)	90,890	91,679
Securities Available-for-Sale, Gross Unrealized Gain	1	3
Securities Available-for-Sale, Gross Unrealized Losses	(7,382)	(8,281)
Allowance for credit losses	1,537	1,140	$ 1,692	$ 929
Debt securities	$ 81,972	$ 82,261