Investment Securities - Schedule of Investment in AFS and HTM Securities (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	$ 1,055,146	$ 1,408,935
Gross Unrealized Gains	269	36
Gross Unrealized Losses	(78,645)	(141,545)
Allowance for Credit Losses	0	(22)
Estimated Fair Value	976,770	1,267,404
Schedule of Held-to-Maturity Securities [Line Items]
Amortized Cost	855,810	939,953
Gross Unrealized Gains	8	0
Gross Unrealized Losses	(80,871)	(119,571)
Estimated Fair Value	774,947	820,382
Less: allowance for credit losses	(1,030)	(1,306)
Total investment securities held-to-maturity	854,780	938,647
U.S. treasury bonds
Debt Securities, Available-for-sale [Line Items]
Amortized Cost		24,988
Gross Unrealized Gains		0
Gross Unrealized Losses		(212)
Allowance for Credit Losses		0
Estimated Fair Value		24,776
U.S. agency securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	355,249	600,277
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(17,541)	(41,742)
Allowance for Credit Losses	0	0
Estimated Fair Value	337,708	558,535
Residential mortgage-backed securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	620,540	719,815
Gross Unrealized Gains	152	36
Gross Unrealized Losses	(58,188)	(94,535)
Allowance for Credit Losses	0	0
Estimated Fair Value	562,504	625,316
Schedule of Held-to-Maturity Securities [Line Items]
Amortized Cost	544,402	605,904
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(58,836)	(85,941)
Estimated Fair Value	485,566	519,963
Commercial mortgage-backed securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	68,931	53,248
Gross Unrealized Gains	117	0
Gross Unrealized Losses	(2,503)	(4,303)
Allowance for Credit Losses	0	0
Estimated Fair Value	66,545	48,945
Schedule of Held-to-Maturity Securities [Line Items]
Amortized Cost	85,760	88,575
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(9,787)	(13,069)
Estimated Fair Value	75,973	75,506
Municipal bonds
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	8,426	8,607
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(380)	(593)
Allowance for Credit Losses	0	0
Estimated Fair Value	8,046	8,014
Schedule of Held-to-Maturity Securities [Line Items]
Amortized Cost	106,875	114,060
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(6,933)	(11,389)
Estimated Fair Value	99,942	102,671
Corporate bonds
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	2,000	2,000
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(33)	(160)
Allowance for Credit Losses	0	(22)
Estimated Fair Value	1,967	1,818
Schedule of Held-to-Maturity Securities [Line Items]
Amortized Cost	118,773	131,414
Gross Unrealized Gains	8	0
Gross Unrealized Losses	(5,315)	(9,172)
Estimated Fair Value	$ 113,466	$ 122,242