Investment Securities - Schedule of Continuous Unrealized Loss on AFS and HTM Securities (Details) $ in Thousands	Dec. 31, 2025 USD ($) security	Dec. 31, 2024 USD ($) security
Debt Securities, Available-for-sale [Line Items]
Investment securities available-for-sale, Number of securities | security	203	235
Investment securities available-for-sale, Less than 12 months, estimated fair value	$ 0	$ 9,830
Investment securities available-for-sale, Less than 12 months, unrealized losses	0	(136)
Investment securities available-for-sale, 12 months or greater, estimated fair value	931,564	1,256,180
Investment securities available-for-sale, 12 months or greater, unrealized losses	(78,645)	(141,409)
Investment securities available-for-sale, Estimated fair value	931,564	1,266,010
Investment securities available-for-sale, Unrealized losses	$ (78,645)	$ (141,545)
Investment securities held-to-maturity, Number of securities | security	212	222
Investment securities held-to-maturity, Less than 12 months, estimated fair value	$ 6,193	$ 5,954
Investment securities held-to-maturity, Less than 12 months, unrealized losses	(521)	(152)
Investment securities held-to-maturity, 12 months or greater, estimated fair value	762,849	804,394
Investment securities held-to-maturity, 12 months or greater, unrealized losses	(80,350)	(119,419)
Investment securities held-to-maturity, Estimated Fair Value	769,042	810,348
Investment securities held-to-maturity, Unrealized losses	$ (80,871)	$ (119,571)
U.S. treasury bonds
Debt Securities, Available-for-sale [Line Items]
Investment securities available-for-sale, Number of securities | security		1
Investment securities available-for-sale, Less than 12 months, estimated fair value		$ 0
Investment securities available-for-sale, Less than 12 months, unrealized losses		0
Investment securities available-for-sale, 12 months or greater, estimated fair value		24,776
Investment securities available-for-sale, 12 months or greater, unrealized losses		(212)
Investment securities available-for-sale, Estimated fair value		24,776
Investment securities available-for-sale, Unrealized losses		$ (212)
U.S. agency securities
Debt Securities, Available-for-sale [Line Items]
Investment securities available-for-sale, Number of securities | security	52	71
Investment securities available-for-sale, Less than 12 months, estimated fair value	$ 0	$ 2,300
Investment securities available-for-sale, Less than 12 months, unrealized losses	0	(8)
Investment securities available-for-sale, 12 months or greater, estimated fair value	337,708	556,235
Investment securities available-for-sale, 12 months or greater, unrealized losses	(17,541)	(41,734)
Investment securities available-for-sale, Estimated fair value	337,708	558,535
Investment securities available-for-sale, Unrealized losses	$ (17,541)	$ (41,742)
Residential mortgage-backed securities
Debt Securities, Available-for-sale [Line Items]
Investment securities available-for-sale, Number of securities | security	139	148
Investment securities available-for-sale, Less than 12 months, estimated fair value	$ 0	$ 7,530
Investment securities available-for-sale, Less than 12 months, unrealized losses	0	(128)
Investment securities available-for-sale, 12 months or greater, estimated fair value	546,514	616,392
Investment securities available-for-sale, 12 months or greater, unrealized losses	(58,188)	(94,407)
Investment securities available-for-sale, Estimated fair value	546,514	623,922
Investment securities available-for-sale, Unrealized losses	$ (58,188)	$ (94,535)
Investment securities held-to-maturity, Number of securities | security	136	140
Investment securities held-to-maturity, Less than 12 months, estimated fair value	$ 0	$ 0
Investment securities held-to-maturity, Less than 12 months, unrealized losses	0	0
Investment securities held-to-maturity, 12 months or greater, estimated fair value	485,567	519,963
Investment securities held-to-maturity, 12 months or greater, unrealized losses	(58,836)	(85,941)
Investment securities held-to-maturity, Estimated Fair Value	485,567	519,963
Investment securities held-to-maturity, Unrealized losses	$ (58,836)	$ (85,941)
Commercial mortgage-backed securities
Debt Securities, Available-for-sale [Line Items]
Investment securities available-for-sale, Number of securities | security	10	13
Investment securities available-for-sale, Less than 12 months, estimated fair value	$ 0	$ 0
Investment securities available-for-sale, Less than 12 months, unrealized losses	0	0
Investment securities available-for-sale, 12 months or greater, estimated fair value	37,329	48,945
Investment securities available-for-sale, 12 months or greater, unrealized losses	(2,503)	(4,303)
Investment securities available-for-sale, Estimated fair value	37,329	48,945
Investment securities available-for-sale, Unrealized losses	$ (2,503)	$ (4,303)
Investment securities held-to-maturity, Number of securities | security	16	16
Investment securities held-to-maturity, Less than 12 months, estimated fair value	$ 4,271	$ 0
Investment securities held-to-maturity, Less than 12 months, unrealized losses	(503)	0
Investment securities held-to-maturity, 12 months or greater, estimated fair value	71,702	75,506
Investment securities held-to-maturity, 12 months or greater, unrealized losses	(9,284)	(13,069)
Investment securities held-to-maturity, Estimated Fair Value	75,973	75,506
Investment securities held-to-maturity, Unrealized losses	$ (9,787)	$ (13,069)
Municipal bonds
Debt Securities, Available-for-sale [Line Items]
Investment securities available-for-sale, Number of securities | security	1	1
Investment securities available-for-sale, Less than 12 months, estimated fair value	$ 0	$ 0
Investment securities available-for-sale, Less than 12 months, unrealized losses	0	0
Investment securities available-for-sale, 12 months or greater, estimated fair value	8,046	8,014
Investment securities available-for-sale, 12 months or greater, unrealized losses	(380)	(593)
Investment securities available-for-sale, Estimated fair value	8,046	8,014
Investment securities available-for-sale, Unrealized losses	$ (380)	$ (593)
Investment securities held-to-maturity, Number of securities | security	33	36
Investment securities held-to-maturity, Less than 12 months, estimated fair value	$ 0	$ 4,026
Investment securities held-to-maturity, Less than 12 months, unrealized losses	0	(75)
Investment securities held-to-maturity, 12 months or greater, estimated fair value	98,942	98,645
Investment securities held-to-maturity, 12 months or greater, unrealized losses	(6,933)	(11,314)
Investment securities held-to-maturity, Estimated Fair Value	98,942	102,671
Investment securities held-to-maturity, Unrealized losses	$ (6,933)	$ (11,389)
Corporate bonds
Debt Securities, Available-for-sale [Line Items]
Investment securities available-for-sale, Number of securities | security	1	1
Investment securities available-for-sale, Less than 12 months, estimated fair value	$ 0	$ 0
Investment securities available-for-sale, Less than 12 months, unrealized losses	0	0
Investment securities available-for-sale, 12 months or greater, estimated fair value	1,967	1,818
Investment securities available-for-sale, 12 months or greater, unrealized losses	(33)	(160)
Investment securities available-for-sale, Estimated fair value	1,967	1,818
Investment securities available-for-sale, Unrealized losses	$ (33)	$ (160)
Investment securities held-to-maturity, Number of securities | security	27	30
Investment securities held-to-maturity, Less than 12 months, estimated fair value	$ 1,922	$ 1,928
Investment securities held-to-maturity, Less than 12 months, unrealized losses	(18)	(77)
Investment securities held-to-maturity, 12 months or greater, estimated fair value	106,638	110,280
Investment securities held-to-maturity, 12 months or greater, unrealized losses	(5,297)	(9,095)
Investment securities held-to-maturity, Estimated Fair Value	108,560	112,208
Investment securities held-to-maturity, Unrealized losses	$ (5,315)	$ (9,172)