Derivatives - Offsetting of Derivatives (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Derivative assets
Derivative assets - Fair value	$ 627,402	$ 755,328
Less: Master netting agreements	(169,849)	(242,745)
Less: Cash collateral received	(195,278)	(372,038)
Net derivative assets	262,275	140,545
Less: Security Collateral Received	(233,746)	(60,567)
Net Amount	28,529	79,978
Contracts not subject to master netting arrangements, gross amounts recognized	287	2,100
Derivative, cash collateral received, including amount offset by fair value assets, and excess cash amount	(205,700)	(384,900)
Amount used to offset against derivative assets	(195,278)	(372,038)
Derivative liabilities
Gross amounts recognized	681,830	887,264
Less: Master netting agreements	(169,849)	(242,745)
Less: Cash collateral received	0	0
Net derivative liabilities	511,981	644,519
Less: Security Collateral Pledged	0	(38,438)
Net Amount	511,981	606,081
Contracts not subject to master netting arrangements, gross amounts recognized	15	566
Derivative, cash collateral posted against derivative liabilities, including amount offset the derivative fair value liabilities, and excess cash amount	200	490
Amount used to offset against derivative liabilities	$ 0	$ 0