Fair Value - Level 3 Assets (Details) - Level 3 - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Roll forward of level 3 fair value measurements on a recurring basis
Beginning balance	$ 25,424	$ 26,453	$ 37,331	$ 24,368
Included in earnings	(241)	(332)	50	(502)
Included in other comprehensive income (loss)	130	105	371	216
Purchases	5,465	5,725	9,282	8,663
Sales	(2,029)	(610)	(3,893)	(952)
Transfers into Level 3	12,096	14,365	15,489	22,016
Transfers out of Level 3	(7,595)	(3,445)	(25,380)	(11,548)
Ending balance	33,250	42,261	33,250	42,261
Available-for-sale securities
Roll forward of level 3 fair value measurements on a recurring basis
Beginning balance	16,777	18,485	30,357	17,034
Included in earnings	(232)	(393)	(596)	(649)
Included in other comprehensive income (loss)	130	105	371	216
Purchases	2,965	4,706	5,782	6,644
Sales	(2,029)	(526)	(3,893)	(868)
Transfers into Level 3	12,096	13,845	15,471	21,472
Transfers out of Level 3	(7,097)	(2,459)	(24,882)	(10,086)
Ending balance	22,610	33,763	22,610	33,763
Available-for-sale securities | Corporate debt securities
Roll forward of level 3 fair value measurements on a recurring basis
Beginning balance	6,030	3,908	6,268	4,506
Included in earnings	12	22	30	25
Included in other comprehensive income (loss)	21	(20)	(33)	21
Purchases	968	4,496	3,085	4,839
Sales	(217)	(521)	(792)	(823)
Transfers into Level 3	2,377	2,202	3,476	3,824
Transfers out of Level 3	(3,015)	(1,544)	(5,858)	(3,849)
Ending balance	6,176	8,543	6,176	8,543
Available-for-sale securities | Collateralized debt obligations
Roll forward of level 3 fair value measurements on a recurring basis
Beginning balance	695		0
Included in earnings	(4)		(4)
Included in other comprehensive income (loss)	5		0
Purchases	0		700
Sales	(696)		(696)
Transfers into Level 3	0		0
Transfers out of Level 3	0		0
Ending balance	0		0
Available-for-sale securities | Commercial mortgage-backed securities
Roll forward of level 3 fair value measurements on a recurring basis
Beginning balance	9,129	14,577	24,089	10,994
Included in earnings	(240)	(415)	(622)	(669)
Included in other comprehensive income (loss)	104	125	404	219
Purchases	1,997	210	1,997	1,805
Sales	(1,098)	(5)	(2,387)	(5)
Transfers into Level 3	9,719	11,643	11,072	17,648
Transfers out of Level 3	(3,177)	(915)	(18,119)	(4,772)
Ending balance	16,434	25,220	16,434	25,220
Available-for-sale securities | Residential mortgage-backed securities
Roll forward of level 3 fair value measurements on a recurring basis
Beginning balance	923		0	1,534
Included in earnings	0		0	(5)
Included in other comprehensive income (loss)	0		0	(24)
Purchases	0		0	0
Sales	(18)		(18)	(40)
Transfers into Level 3	0		923	0
Transfers out of Level 3	(905)		(905)	(1,465)
Ending balance	0	0	0	0
Equity securities | Equity securities
Roll forward of level 3 fair value measurements on a recurring basis
Beginning balance	8,647	7,968	6,974	7,334
Included in earnings	(9)	61	646	147
Included in other comprehensive income (loss)	0	0	0	0
Purchases	2,500	1,019	3,500	2,019
Sales	0	(84)	0	(84)
Transfers into Level 3	0	520	18	544
Transfers out of Level 3	(498)	(986)	(498)	(1,462)
Ending balance	$ 10,640	$ 8,498	$ 10,640	$ 8,498