Federal Home Loan Bank Advances - Schedule of Outstanding FHLB Advances (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Federal Home Loan Bank, Advances, Branch Of FHLB Bank [Line Items]
Total FHLB advances	$ 2,326,071	$ 2,316,071
4.31% advance due January 2023
Federal Home Loan Bank, Advances, Branch Of FHLB Bank [Line Items]
Interest rate	4.31%
Total FHLB advances	$ 0	290,000
0.00% advance due April 2024
Federal Home Loan Bank, Advances, Branch Of FHLB Bank [Line Items]
Interest rate	0.00%
Total FHLB advances	$ 442	442
2.98% advance due August 2024
Federal Home Loan Bank, Advances, Branch Of FHLB Bank [Line Items]
Interest rate	2.98%
Total FHLB advances	$ 25,000	25,000
0.00% advance due April 2026
Federal Home Loan Bank, Advances, Branch Of FHLB Bank [Line Items]
Interest rate	0.00%
Total FHLB advances	$ 629	629
3.70% advance due July 2030
Federal Home Loan Bank, Advances, Branch Of FHLB Bank [Line Items]
Interest rate	3.70%
Total FHLB advances	$ 150,000	0
1.76% advance due August 2032
Federal Home Loan Bank, Advances, Branch Of FHLB Bank [Line Items]
Interest rate	1.76%
Total FHLB advances	$ 0	250,000
1.93% advance due August 2032
Federal Home Loan Bank, Advances, Branch Of FHLB Bank [Line Items]
Interest rate	1.93%
Total FHLB advances	$ 0	250,000
2.81% advance due September 2032
Federal Home Loan Bank, Advances, Branch Of FHLB Bank [Line Items]
Interest rate	2.81%
Total FHLB advances	$ 500,000	500,000
3.08% advance due September 2032
Federal Home Loan Bank, Advances, Branch Of FHLB Bank [Line Items]
Interest rate	3.08%
Total FHLB advances	$ 500,000	500,000
2.96% advance due December 2032
Federal Home Loan Bank, Advances, Branch Of FHLB Bank [Line Items]
Interest rate	2.96%
Total FHLB advances	$ 250,000	250,000
2.98% advance due December 2032
Federal Home Loan Bank, Advances, Branch Of FHLB Bank [Line Items]
Interest rate	2.98%
Total FHLB advances	$ 250,000	250,000
3.13% advance due February 2033
Federal Home Loan Bank, Advances, Branch Of FHLB Bank [Line Items]
Interest rate	3.13%
Total FHLB advances	$ 250,000	0
2.95% advance due May 2033
Federal Home Loan Bank, Advances, Branch Of FHLB Bank [Line Items]
Interest rate	2.95%
Total FHLB advances	$ 250,000	0
3.72% advance due July 2033
Federal Home Loan Bank, Advances, Branch Of FHLB Bank [Line Items]
Interest rate	3.72%
Total FHLB advances	$ 150,000	$ 0