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Investment Securities -Summary of Investment Securities by Contractual Maturity (Details) - USD ($) $ in Thousands		Mar. 31, 2025	Dec. 31, 2024
Schedule of Available-for-sale Securities
Debt securities, maturing within 1 year, amortized cost		$ 10,966
Debt securities, maturing 1 to 5 years, amortized cost		124,288
Debt securities, maturing 5 to 10 years, amortized cost		239,497
Debt securities, maturing over 10 years, amortized cost		824,926
Amortized Cost		1,199,677	$ 1,229,382
Debt securities, maturing within 1 year, fair value		10,881
Debt securities, maturing 1 to 5 years, fair value		116,577
Debt securities, maturing 5 to 10 years, fair value		218,834
Debt securities, maturing over 10 years, fair value		727,382
Debt securities	[1]	$ 1,073,674	1,083,555
Available-for-sale securities, maturing within 1 year, weighted average yield		2.93%
Available-for-sale securities, maturing 1 to 5 years, weighted average yield		2.30%
Available-for-sale securities, maturing 5 to 10 years, weighted average yield		2.97%
Available-for-sale securities, maturing over 10 years, weighted average yield		2.76%
Available-for-sale securities, total weighted average yield		2.76%
U.S. Treasury and government agencies
Schedule of Available-for-sale Securities
Debt securities, maturing within 1 year, amortized cost		$ 1,036
Debt securities, maturing 1 to 5 years, amortized cost		1,270
Debt securities, maturing 5 to 10 years, amortized cost		6,498
Debt securities, maturing over 10 years, amortized cost		5,446
Amortized Cost		14,250	15,317
Debt securities, maturing within 1 year, fair value		1,034
Debt securities, maturing 1 to 5 years, fair value		1,266
Debt securities, maturing 5 to 10 years, fair value		6,609
Debt securities, maturing over 10 years, fair value		5,434
Debt securities		14,343	15,196
U.S. government sponsored agencies
Schedule of Available-for-sale Securities
Debt securities, maturing within 1 year, amortized cost		1,490
Debt securities, maturing 1 to 5 years, amortized cost		67,658
Debt securities, maturing 5 to 10 years, amortized cost		72,103
Debt securities, maturing over 10 years, amortized cost		82,334
Amortized Cost		223,585	224,167
Debt securities, maturing within 1 year, fair value		1,453
Debt securities, maturing 1 to 5 years, fair value		62,924
Debt securities, maturing 5 to 10 years, fair value		70,186
Debt securities, maturing over 10 years, fair value		78,500
Debt securities		213,063	209,083
States and political subdivisions
Schedule of Available-for-sale Securities
Debt securities, maturing within 1 year, amortized cost		7,982
Debt securities, maturing 1 to 5 years, amortized cost		39,143
Debt securities, maturing 5 to 10 years, amortized cost		79,366
Debt securities, maturing over 10 years, amortized cost		96,834
Amortized Cost		223,325	225,074
Debt securities, maturing within 1 year, fair value		7,936
Debt securities, maturing 1 to 5 years, fair value		37,015
Debt securities, maturing 5 to 10 years, fair value		67,795
Debt securities, maturing over 10 years, fair value		82,759
Debt securities		195,505	196,301
Residential mortgage-backed securities
Schedule of Available-for-sale Securities
Debt securities, maturing within 1 year, amortized cost		6
Debt securities, maturing 1 to 5 years, amortized cost		4,110
Debt securities, maturing 5 to 10 years, amortized cost		52,483
Debt securities, maturing over 10 years, amortized cost		617,131
Amortized Cost		673,730	693,886
Debt securities, maturing within 1 year, fair value		6
Debt securities, maturing 1 to 5 years, fair value		4,025
Debt securities, maturing 5 to 10 years, fair value		49,051
Debt securities, maturing over 10 years, fair value		540,897
Debt securities		593,979	601,802
Commercial mortgage-backed securities
Schedule of Available-for-sale Securities
Debt securities, maturing within 1 year, amortized cost		452
Debt securities, maturing 1 to 5 years, amortized cost		10,607
Debt securities, maturing 5 to 10 years, amortized cost		26,047
Debt securities, maturing over 10 years, amortized cost		23,181
Amortized Cost		60,287	64,438
Debt securities, maturing within 1 year, fair value		452
Debt securities, maturing 1 to 5 years, fair value		9,884
Debt securities, maturing 5 to 10 years, fair value		22,508
Debt securities, maturing over 10 years, fair value		19,792
Debt securities		52,636	55,065
Bank-issued trust preferred securities
Schedule of Available-for-sale Securities
Debt securities, maturing within 1 year, amortized cost		0
Debt securities, maturing 1 to 5 years, amortized cost		1,500
Debt securities, maturing 5 to 10 years, amortized cost		3,000
Debt securities, maturing over 10 years, amortized cost		0
Amortized Cost		4,500	6,500
Debt securities, maturing within 1 year, fair value		0
Debt securities, maturing 1 to 5 years, fair value		1,463
Debt securities, maturing 5 to 10 years, fair value		2,685
Debt securities, maturing over 10 years, fair value		0
Debt securities		$ 4,148	$ 6,108
[1]     Available-for-sale investment securities and held-to-maturity investment securities are presented net of allowance for credit losses of $0 and $237, respectively, at March 31, 2025, and $0 and $237, respectively, at December 31, 2024.

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