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Securities - Unrealized Losses (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Fair Value
Less than 12 Months	$ 51,453	$ 38,770
12 Months or More	1,072,655	1,195,131
Total	1,124,108	1,233,901
Unrealized Loss
Less than 12 Months	(959)	(376)
12 Months or More	(161,468)	(153,965)
Total	(162,427)	(154,341)
State and municipal securities
Fair Value
Less than 12 Months	25,887	27,106
12 Months or More	243,319	246,442
Total	269,206	273,548
Unrealized Loss
Less than 12 Months	(314)	(266)
12 Months or More	(45,792)	(41,174)
Total	(46,106)	(41,440)
Fair Value
Less than 12 Months	4,857	4,717
12 Months or More	6,019	6,131
Total	10,876	10,848
Unrealized Loss
Less than 12 Months	(301)	(447)
12 Months or More	(496)	(383)
Total	(797)	(830)
Corporate bonds
Fair Value
Less than 12 Months	7,758	4,254
12 Months or More	71,206	74,566
Total	78,964	78,820
Unrealized Loss
Less than 12 Months	(523)	(53)
12 Months or More	(7,987)	(8,636)
Total	(8,510)	(8,689)
U.S. treasury and government agency securities
Fair Value
Less than 12 Months	7,148	0
12 Months or More	33,571	77,340
Total	40,719	77,340
Unrealized Loss
Less than 12 Months	(7)	0
12 Months or More	(4,557)	(4,740)
Total	(4,564)	(4,740)
Commercial mortgage-backed securities
Fair Value
Less than 12 Months	0	0
12 Months or More	92,895	93,396
Total	92,895	93,396
Unrealized Loss
Less than 12 Months	0	0
12 Months or More	(10,950)	(11,063)
Total	(10,950)	(11,063)
Residential mortgage-backed securities
Fair Value
Less than 12 Months	0	60
12 Months or More	467,626	506,442
Total	467,626	506,502
Unrealized Loss
Less than 12 Months	0	(5)
12 Months or More	(66,436)	(63,115)
Total	(66,436)	(63,120)
Commercial collateralized mortgage obligations
Fair Value
Less than 12 Months	8,577	0
12 Months or More	34,554	35,183
Total	43,131	35,183
Unrealized Loss
Less than 12 Months	(113)	0
12 Months or More	(4,329)	(4,203)
Total	(4,442)	(4,203)
Residential collateralized mortgage obligations
Fair Value
Less than 12 Months	0	0
12 Months or More	122,056	130,144
Total	122,056	130,144
Unrealized Loss
Less than 12 Months	0	0
12 Months or More	(21,382)	(20,566)
Total	(21,382)	(20,566)
Asset-backed securities
Fair Value
Less than 12 Months	2,083	7,350
12 Months or More	7,428	31,618
Total	9,511	38,968
Unrealized Loss
Less than 12 Months	(2)	(52)
12 Months or More	(35)	(468)
Total	$ (37)	$ (520)

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