Offsetting Assets and Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Derivative assets
Gross Amounts Recognized	$ 96,619	$ 108,621
Gross Amounts Offset in the Statement of Financial Position	0	0
Net Amounts Presented in the Statement of Financial Position	96,619	108,621
Derivative assets, Gross Amounts Not Offset in the Statements of Financial Position, Financial Instruments	63,650	69,221
Derivative assets, Gross Amounts Not Offset in the Statements of Financial Position, Cash Collateral Received/Pledged	0	0
Total net derivative assets	32,969	39,400
Derivative liabilities
Gross Amounts Recognized	78,407	91,404
Gross Amounts Offset in the Statement of Financial Position	0	0
Net Amounts Presented in the Statement of Financial Position	78,407	91,404
Derivative liabilities, Gross Amounts Not Offset in the Statements of Financial Position, Financial Instruments	63,650	69,221
Derivative liabilities, Gross Amounts Not Offset in the Statements of Financial Position, Cash Collateral Received/Pledged	14,757	22,183
Total net derivative liabilities	0	0
Repurchase agreements
Gross Amounts Recognized	10,944,178	10,799,120
Gross Amounts Offset in the Statement of Financial Position	0	0
Net Amounts Presented in the Statement of Financial Position	10,944,178	10,799,120
Repurchase agreements, Gross Amounts Not Offset in the Statements of Financial Position, Financial Instruments	10,944,178	10,799,120
Repurchase agreements, Gross Amounts Not Offset in the Statements of Financial Position, Cash Collateral Received/Pledged	0	0
Total net repurchase agreements	0	0
Offsetting Derivative Liability, Securities Sold under Agreements to Repurchase, Securities Loaned [Abstract]
Gross Amounts Recognized	11,022,585	10,890,524
Gross Amounts Offset in the Statement of Financial Position	0	0
Net Amounts Presented in the Statement of Financial Position	11,022,585	10,890,524
Liabilities, Gross Amounts Not Offset in the Statements of Financial Position, Financial Instruments	11,007,828	10,868,341
Liabilities, Gross Amounts Not Offset in the Statements of Financial Position, Cash Collateral Received/Pledged	14,757	22,183
Total net liabilities	$ 0	$ 0