Offsetting Assets and Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Derivative assets
Gross Amounts Recognized	$ 60,869	$ 48,216
Gross Amounts Offset in the Statement of Financial Position	0	0
Net Amounts Presented in the Statement of Financial Position	60,869	48,216
Derivative Assets, Gross Amounts Not Offset in the Statements of Condition, Financial Instruments	28,657	12,870
Derivative Assets, Gross Amounts Not Offset in the Statements of Condition, Cash Collateral Received/Pledged	0	21,290
Total net derivative assets	32,212	14,056
Derivative liabilities
Gross Amounts Recognized	38,709	13,421
Gross Amounts Offset in the Statement of Financial Position	0	0
Net Amounts Presented in the Statement of Financial Position	38,709	13,421
Derivative Liabilities, Gross Amounts Not Offset in the Statements of Condition, Financial Instruments	28,657	12,870
Derivative Liabilities, Gross Amounts Not Offset in the Statements of Condition, Cash Collateral Received/Pledged	9,928	291
Total net derivative liabilities	124	260
Repurchase agreements
Gross Amounts Recognized	8,920,482	9,542,034
Gross Amounts Offset in the Statement of Financial Position	0	0
Net Amounts Presented in the Statement of Financial Position	8,920,482	9,542,034
Repurchase Agreements, Gross Amounts Not Offset in the Statements of Condition, Financial Instruments	8,920,482	9,542,034
Repurchase Agreements, Gross Amounts Not Offset in the Statements of Condition, 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	8,959,191	9,555,455
Gross Amounts Offset in the Statement of Financial Position	0	0
Net Amounts Presented in the Statement of Financial Position	8,959,191	9,555,455
Liabilities, Gross Amounts Not Offset in the Statements of Condition, Financial Instruments	8,949,139	9,554,904
Liabilities, Gross Amounts Not Offset in the Statements of Condition, Cash Collateral Received/Pledged	9,928	291
Total net liabilities	$ 124	$ 260