Federal Home Loan Bank Advances (Summary of Outstanding FHLB Advances) (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Federal Home Loan Bank, Advances, Branch Of FHLB Bank [Line Items]
Total FHLB advances	$ 2,316,071	$ 1,241,071
0.00% advance due May 2022
Federal Home Loan Bank, Advances, Branch Of FHLB Bank [Line Items]
Interest rate	0.00%
Total FHLB advances	$ 0	75,000
4.31% advance due January 2023
Federal Home Loan Bank, Advances, Branch Of FHLB Bank [Line Items]
Interest rate	4.31%
Total FHLB advances	$ 290,000	0
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
2.05% variable-rate advance due January 2028
Federal Home Loan Bank, Advances, Branch Of FHLB Bank [Line Items]
Interest rate	2.05%
Total FHLB advances	$ 0	100,000
2.18% advance due February 2029
Federal Home Loan Bank, Advances, Branch Of FHLB Bank [Line Items]
Interest rate	2.18%
Total FHLB advances	$ 0	440,000
1.36% advance due December 2029
Federal Home Loan Bank, Advances, Branch Of FHLB Bank [Line Items]
Interest rate	1.36%
Total FHLB advances	$ 0	100,000
1.11% advance due February 2030
Federal Home Loan Bank, Advances, Branch Of FHLB Bank [Line Items]
Interest rate	1.11%
Total FHLB advances	$ 0	500,000
1.76% advance due August 2032
Federal Home Loan Bank, Advances, Branch Of FHLB Bank [Line Items]
Interest rate	1.76%
Total FHLB advances	$ 250,000	0
1.93% advance due August 2032
Federal Home Loan Bank, Advances, Branch Of FHLB Bank [Line Items]
Interest rate	1.93%
Total FHLB advances	$ 250,000	0
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	0
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	0
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	0
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	$ 0