Investment Securities -Summary of Investment Securities by Contractual Maturity (Details) - USD ($) $ in Thousands		Mar. 31, 2024	Dec. 31, 2023
Schedule of Available-for-sale Securities
Debt securities, maturing within 1 year, amortized cost		$ 13,305
Debt securities, maturing 1 to 5 years, amortized cost		139,817
Debt securities, maturing 5 to 10 years, amortized cost		220,376
Debt securities, maturing over 10 years, amortized cost		888,821
Amortized Cost		1,262,319	$ 1,184,288
Debt securities, maturing within 1 year, fair value		13,231
Debt securities, maturing 1 to 5 years, fair value		129,590
Debt securities, maturing 5 to 10 years, fair value		197,831
Debt securities, maturing over 10 years, fair value		775,814
Debt securities	[1]	$ 1,116,466	1,048,322
Available-for-sale securities, maturing within 1 year, weighted average yield		3.59%
Available-for-sale securities, maturing 1 to 5 years, weighted average yield		2.31%
Available-for-sale securities, maturing 5 to 10 years, weighted average yield		2.77%
Available-for-sale securities, maturing over 10 years, weighted average yield		2.73%
Available-for-sale securities, total weighted average yield		2.70%
U.S. Treasury and government agencies
Schedule of Available-for-sale Securities
Debt securities, maturing within 1 year, amortized cost		$ 985
Debt securities, maturing 1 to 5 years, amortized cost		15,661
Debt securities, maturing 5 to 10 years, amortized cost		7,272
Debt securities, maturing over 10 years, amortized cost		5,889
Amortized Cost		29,807	30,999
Debt securities, maturing within 1 year, fair value		978
Debt securities, maturing 1 to 5 years, fair value		14,619
Debt securities, maturing 5 to 10 years, fair value		7,303
Debt securities, maturing over 10 years, fair value		5,873
Debt securities		28,773	30,296
U.S. government sponsored agencies
Schedule of Available-for-sale Securities
Debt securities, maturing within 1 year, amortized cost		0
Debt securities, maturing 1 to 5 years, amortized cost		62,046
Debt securities, maturing 5 to 10 years, amortized cost		64,074
Debt securities, maturing over 10 years, amortized cost		84,751
Amortized Cost		210,871	128,500
Debt securities, maturing within 1 year, fair value		0
Debt securities, maturing 1 to 5 years, fair value		57,082
Debt securities, maturing 5 to 10 years, fair value		60,078
Debt securities, maturing over 10 years, fair value		83,300
Debt securities		200,460	118,607
States and political subdivisions
Schedule of Available-for-sale Securities
Debt securities, maturing within 1 year, amortized cost		10,319
Debt securities, maturing 1 to 5 years, amortized cost		45,388
Debt securities, maturing 5 to 10 years, amortized cost		59,362
Debt securities, maturing over 10 years, amortized cost		122,138
Amortized Cost		237,207	239,906
Debt securities, maturing within 1 year, fair value		10,264
Debt securities, maturing 1 to 5 years, fair value		42,516
Debt securities, maturing 5 to 10 years, fair value		50,785
Debt securities, maturing over 10 years, fair value		105,185
Debt securities		208,750	213,296
Residential mortgage-backed securities
Schedule of Available-for-sale Securities
Debt securities, maturing within 1 year, amortized cost		1
Debt securities, maturing 1 to 5 years, amortized cost		3,330
Debt securities, maturing 5 to 10 years, amortized cost		59,060
Debt securities, maturing over 10 years, amortized cost		655,266
Amortized Cost		717,657	717,772
Debt securities, maturing within 1 year, fair value		1
Debt securities, maturing 1 to 5 years, fair value		3,208
Debt securities, maturing 5 to 10 years, fair value		53,811
Debt securities, maturing over 10 years, fair value		564,671
Debt securities		621,691	628,924
Commercial mortgage-backed 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		12,392
Debt securities, maturing 5 to 10 years, amortized cost		27,108
Debt securities, maturing over 10 years, amortized cost		20,777
Amortized Cost		60,277	60,611
Debt securities, maturing within 1 year, fair value		0
Debt securities, maturing 1 to 5 years, fair value		11,223
Debt securities, maturing 5 to 10 years, fair value		22,783
Debt securities, maturing over 10 years, fair value		16,785
Debt securities		50,791	51,234
Bank-issued trust preferred securities
Schedule of Available-for-sale Securities
Debt securities, maturing within 1 year, amortized cost		2,000
Debt securities, maturing 1 to 5 years, amortized cost		1,000
Debt securities, maturing 5 to 10 years, amortized cost		3,500
Debt securities, maturing over 10 years, amortized cost		0
Amortized Cost		6,500	6,500
Debt securities, maturing within 1 year, fair value		1,988
Debt securities, maturing 1 to 5 years, fair value		942
Debt securities, maturing 5 to 10 years, fair value		3,071
Debt securities, maturing over 10 years, fair value		0
Debt securities		$ 6,001	$ 5,965

[1]     Available-for-sale investment securities and held-to-maturity investment securities are presented net of allowance for credit losses of $0 and $238, respectively, at March 31, 2024, and $0 and $238, respectively, at December 31, 2023.