Deposits - Composition of Deposits and Interest Expenses (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Time Deposits [Line Items]
Balance	$ 7,958,831	$ 7,783,117	$ 7,521,769
Interest Expense	154,570	159,411	92,836
Noninterest-bearing demand
Time Deposits [Line Items]
Balance	2,160,645	2,185,242	2,221,942
Interest Expense	0	0	0
Interest-bearing demand
Time Deposits [Line Items]
Balance	790,278	812,768	825,787
Interest Expense	7,520	8,837	6,056
Money market
Time Deposits [Line Items]
Balance	2,196,998	2,040,285	1,941,842
Interest Expense	64,460	64,666	39,480
Savings
Time Deposits [Line Items]
Balance	862,118	877,859	950,546
Interest Expense	6,014	6,273	4,352
Certificates of deposit
Time Deposits [Line Items]
Balance	1,948,792	1,866,963	1,581,652
Interest Expense	$ 76,576	$ 79,635	$ 42,948