Deposit Accounts - Aggregate Annual Maturities of Certificates of Deposit Accounts (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Amount
Within 3 months	$ 885,862
4 to 6 months	788,137
7 to 12 months	509,187
13 to 24 months	104,887
25 to 36 months	3,105
37 to 60 months	3,568
Over 60 months	0
Total time deposit accounts	$ 2,294,746	$ 2,503,119
Weighted Average Interest Rate
Within 3 months (as a percent)	4.35%
4 to 6 months (as a percent)	4.55%
7 to 12 months (as a percent)	4.19%
13 to 24 months (as a percent)	4.28%
25 to 36 months (as a percent)	0.39%
37 to 60 months (as a percent)	0.23%
Over 60 months (as a percent)	0.00%
Total (as a percent)	4.37%	2.95%