Deposits - Composition of Deposits and Interest Expenses (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Time Deposits [Line Items]
Balance	$ 7,219,970	$ 7,996,524	$ 7,420,538
Interest Expense	19,907	10,757	35,986
Noninterest-bearing demand
Time Deposits [Line Items]
Balance	2,588,692	2,748,586	2,261,994
Interest Expense	0	0	0
Interest-bearing demand
Time Deposits [Line Items]
Balance	846,653	979,133	864,510
Interest Expense	1,025	809	2,681
Money market
Time Deposits [Line Items]
Balance	1,731,521	2,070,579	1,937,063
Interest Expense	11,948	3,652	11,645
Savings
Time Deposits [Line Items]
Balance	1,118,511	1,110,155	969,508
Interest Expense	1,121	366	972
Certificates of deposit
Time Deposits [Line Items]
Balance	934,593	1,088,071	1,387,463
Interest Expense	$ 5,813	$ 5,930	$ 20,688