Securities - Schedule of Gross Unrealized Losses and Fair Value of Company's Investments (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Schedule of Available-for-sale Securities [Line Items]
Fair value less than 12 months	$ 1,664	$ 2,387
Unrealized losses less than 12 months	(291)	(236)
Fair value more than 12 months	524,724	543,248
Unrealized losses more than 12 months	(96,085)	(87,583)
Total fair value	526,388	545,635
Total unrealized losses	(96,376)	(87,819)
U.S. Treasury and federal agencies
Schedule of Available-for-sale Securities [Line Items]
Fair value less than 12 months	0	0
Unrealized losses less than 12 months	0	0
Fair value more than 12 months	62,665	64,377
Unrealized losses more than 12 months	(8,754)	(8,561)
Total fair value	62,665	64,377
Total unrealized losses	(8,754)	(8,561)
State and municipal
Schedule of Available-for-sale Securities [Line Items]
Fair value less than 12 months	1,664	2,387
Unrealized losses less than 12 months	(291)	(236)
Fair value more than 12 months	292,505	301,643
Unrealized losses more than 12 months	(57,098)	(49,033)
Total fair value	294,169	304,030
Total unrealized losses	(57,389)	(49,269)
Federal agency collateralized mortgage obligations
Schedule of Available-for-sale Securities [Line Items]
Fair value less than 12 months	0	0
Unrealized losses less than 12 months	0	0
Fair value more than 12 months	3,334	3,580
Unrealized losses more than 12 months	(368)	(351)
Total fair value	3,334	3,580
Total unrealized losses	(368)	(351)
Federal agency mortgage-backed pools
Schedule of Available-for-sale Securities [Line Items]
Fair value less than 12 months	0	0
Unrealized losses less than 12 months	0	0
Fair value more than 12 months	130,319	137,289
Unrealized losses more than 12 months	(24,161)	(23,833)
Total fair value	130,319	137,289
Total unrealized losses	(24,161)	(23,833)
Corporate notes
Schedule of Available-for-sale Securities [Line Items]
Fair value less than 12 months	0	0
Unrealized losses less than 12 months	0	0
Fair value more than 12 months	35,901	36,359
Unrealized losses more than 12 months	(5,704)	(5,805)
Total fair value	35,901	36,359
Total unrealized losses	$ (5,704)	$ (5,805)