Securities and Other Investments - Schedule of Gross Unrealized Losses and the Related fair Value of Securities Available for Sale (Details) $ in Thousands	Mar. 31, 2026 USD ($) security	Dec. 31, 2025 USD ($) security
Debt Securities, Available-for-sale [Line Items]
Less than 12 months, fair value	$ 1,236,369	$ 40,958
Less than 12 months, unrealized losses	18,151	203
12 months or more, fair value	470,935	519,564
12 months or more, unrealized losses	40,062	38,504
Total, fair value	1,707,304	560,522
Total, unrealized losses	$ 58,213	$ 38,707
Total, number of securities | security	1,074	803
U.S. Treasury securities
Debt Securities, Available-for-sale [Line Items]
Less than 12 months, fair value	$ 283,849	$ 0
Less than 12 months, unrealized losses	2,107	0
12 months or more, fair value	14,498	14,598
12 months or more, unrealized losses	1,056	1,004
Total, fair value	298,347	14,598
Total, unrealized losses	$ 3,163	$ 1,004
Total, number of securities | security	17	1
U.S. government agency securities
Debt Securities, Available-for-sale [Line Items]
Less than 12 months, fair value	$ 23,442	$ 411
Less than 12 months, unrealized losses	298	0
12 months or more, fair value	2,562	2,825
12 months or more, unrealized losses	17	21
Total, fair value	26,004	3,236
Total, unrealized losses	$ 315	$ 21
Total, number of securities | security	10	8
State, county and municipals
Debt Securities, Available-for-sale [Line Items]
Less than 12 months, fair value	$ 120,964	$ 7,002
Less than 12 months, unrealized losses	4,742	38
12 months or more, fair value	205,443	229,648
12 months or more, unrealized losses	16,430	15,287
Total, fair value	326,407	236,650
Total, unrealized losses	$ 21,172	$ 15,325
Total, number of securities | security	491	388
Mortgage-backed securities
Debt Securities, Available-for-sale [Line Items]
Less than 12 months, fair value	$ 738,116	$ 31,213
Less than 12 months, unrealized losses	10,224	145
12 months or more, fair value	215,746	232,400
12 months or more, unrealized losses	21,331	20,687
Total, fair value	953,862	263,613
Total, unrealized losses	$ 31,555	$ 20,832
Total, number of securities | security	488	376
Corporate debt securities
Debt Securities, Available-for-sale [Line Items]
Less than 12 months, fair value	$ 69,998	$ 2,332
Less than 12 months, unrealized losses	780	20
12 months or more, fair value	32,686	40,093
12 months or more, unrealized losses	1,228	1,505
Total, fair value	102,684	42,425
Total, unrealized losses	$ 2,008	$ 1,525
Total, number of securities | security	68	30