Investment Securities - Held-to-Maturity and Available-for-Sale, Scheduled Maturities (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Debt Securities, Held-to-maturity, Fair Value to Amortized Cost [Abstract]
Investment securities held-to-maturity (fair value $128,277 and $134,068 at December 31, 2023 and 2022, respectively)	$ 145,777	$ 154,727
Securities held-to-maturity, gross unrealized gains	0	0
Securities held-to-maturity, gross unrealized losses	(17,500)	(20,659)
Securities, held-to-maturity, allowance for credit loss	0	0
Securities held-to-maturity, fair value	128,277	134,068
Debt Securities, Available-for-sale [Abstract]
Securities, available-for-sale, amortized cost	395,727	402,111
Securities, available-for-sale, accumulated gross unrealized gain, before tax	155	10
Securities, available-for-sale, accumulated gross unrealized loss, before tax	(43,598)	(50,725)
Securities, available-for-sale, allowance for credit loss	(731)	(1,140)
Investment securities available-for-sale (amortized cost $395,727 and $402,111, net of allowance for credit losses of $731 and $1,140 at December 31, 2023 and 2022, respectively)	351,553	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 gains, 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 gains, after 1 year to 5 years	0	0
Securities, available-for-sale, gross unrealized losses, after 1 year through 5 years	(26)	(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	1,272	2,285
Securities, available-for-sale, amortized cost	2,328	2,327
Securities, available-for-sale, accumulated gross unrealized gain, before tax	0	0
Securities, available-for-sale, accumulated gross unrealized loss, before tax	(27)	(42)
Securities, available-for-sale, allowance for credit loss	0	0
Investment securities available-for-sale (amortized cost $395,727 and $402,111, net of allowance for credit losses of $731 and $1,140 at December 31, 2023 and 2022, respectively)	2,301	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 through 5 years	1,871	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	(62)	(70)
Securities held-to-maturity, allowance for credit losses, after 1 year through 5 years	0	0
Securities held-to-maturity, fair value, after 1 year to 5 years	1,809	1,584
Securities held-to-maturity, amortized cost, after 5 years through 10 years	12,047	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	(462)	(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	11,585	5,734
Securities held-to-maturity, amortized cost, over 10 years	131,859	146,997
Securities held-to-maturity, gross unrealized gains, over 10 years	0	0
Securities held-to-maturity, gross unrealized losses, over 10 years	(16,976)	(20,247)
Securities, held-to-maturity, allowance for credit loss, over 10 years	0	0
Securities Held-to-Maturity, Fair Value, Over 10 years	114,883	126,750
Investment securities held-to-maturity (fair value $128,277 and $134,068 at December 31, 2023 and 2022, respectively)	145,777	154,727
Securities held-to-maturity, gross unrealized gains	0	0
Securities held-to-maturity, gross unrealized losses	(17,500)	(20,659)
Securities, held-to-maturity, allowance for credit loss	0	0
Securities held-to-maturity, fair value	128,277	134,068
Debt Securities, Available-for-sale [Abstract]
Securities, available-for-sale, amortized cost, after 1 year to 5 years	567	864
Securities, available-for-sale, gross unrealized gains, after 1 year to 5 years	0	0
Securities, available-for-sale, gross unrealized losses, after 1 year through 5 years	(20)	(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	547	827
Securities, available-for-sale, amortized cost, after 5 years to 10 years	13,653	10,399
Securities, available-for-sale, gross unrealized gains, after 5 years to 10 years	0	0
Securities, available-for-sale, gross unrealized losses, after 5 years through 10 years	(964)	(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	12,689	9,584
Securities, available-for-sale, amortized cost, over 10 years	285,628	294,261
Securities, available-for-sale, gross unrealized gains, over 10 years	131	7
Securities, available-for-sale, gross unrealized losses, over 10 years	(34,443)	(41,291)
Securities available-for-sale, allowance for credit loss, over 10 years	0	0
Securities, available-for-sale, fair value, over 10 years	251,316	252,977
Securities, available-for-sale, amortized cost	299,848	305,524
Securities, available-for-sale, accumulated gross unrealized gain, before tax	131	7
Securities, available-for-sale, accumulated gross unrealized loss, before tax	(35,427)	(42,143)
Securities, available-for-sale, allowance for credit loss	0	0
Investment securities available-for-sale (amortized cost $395,727 and $402,111, net of allowance for credit losses of $731 and $1,140 at December 31, 2023 and 2022, respectively)	264,552	263,388
Collateralized Mortgage Obligations [Member]
Debt Securities, Available-for-sale [Abstract]
Securities, available-for-sale, amortized cost, after 5 years to 10 years	241	324
Securities, available-for-sale, gross unrealized gains, after 5 years to 10 years	0	0
Securities, available-for-sale, gross unrealized losses, after 5 years through 10 years	(11)	(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	230	302
Securities, available-for-sale, amortized cost, over 10 years	1,960	2,257
Securities, available-for-sale, gross unrealized gains, over 10 years	0	0
Securities, available-for-sale, gross unrealized losses, over 10 years	(189)	(237)
Securities available-for-sale, allowance for credit loss, over 10 years	0	0
Securities, available-for-sale, fair value, over 10 years	1,771	2,020
Securities, available-for-sale, amortized cost	2,201	2,581
Securities, available-for-sale, accumulated gross unrealized gain, before tax	0	0
Securities, available-for-sale, accumulated gross unrealized loss, before tax	(200)	(259)
Securities, available-for-sale, allowance for credit loss	0	0
Investment securities available-for-sale (amortized cost $395,727 and $402,111, net of allowance for credit losses of $731 and $1,140 at December 31, 2023 and 2022, respectively)	2,001	2,322
Corporate Bonds [Member]
Debt Securities, Available-for-sale [Abstract]
Securities, available-for-sale, amortized cost, within 1 year	18,011	1,000
Securities, available-for-sale, gross unrealized gains, within 1 year	1	0
Securities, available-for-sale, gross unrealized losses, within 1 year	(176)	0
Securities, available-for-sale, allowance for credit loss, within 1 year	(27)	0
Securities, available-for-sale, fair value, within 1 year	17,809	1,000
Securities, available-for-sale, amortized cost, after 1 year to 5 years	13,339	30,679
Securities, available-for-sale, gross unrealized gains, after 1 year to 5 years	23	3
Securities, available-for-sale, gross unrealized losses, after 1 year through 5 years	(671)	(1,516)
Securities, available-for-sale, allowance for credit loss, after 1 year to 5 years	(43)	(152)
Securities, available-for-sale, fair value, after 1 year to 5 years	12,648	29,014
Securities, available-for-sale, amortized cost, after 5 years to 10 years	60,000	60,000
Securities, available-for-sale, gross unrealized gains, after 5 years to 10 years	0	0
Securities, available-for-sale, gross unrealized losses, after 5 years through 10 years	(7,097)	(6,765)
Securities, available-for-sale, allowance for credit loss, after 5 years to 10 years	(661)	(988)
Securities, available-for-sale, fair value, after 5 years to 10 years	52,242	52,247
Securities, available-for-sale, amortized cost	91,350	91,679
Securities, available-for-sale, accumulated gross unrealized gain, before tax	24	3
Securities, available-for-sale, accumulated gross unrealized loss, before tax	(7,944)	(8,281)
Securities, available-for-sale, allowance for credit loss	(731)	(1,140)	$ (929)
Investment securities available-for-sale (amortized cost $395,727 and $402,111, net of allowance for credit losses of $731 and $1,140 at December 31, 2023 and 2022, respectively)	$ 82,699	$ 82,261