Derivative Instruments - Non-hedge Derivatives (Details) - Not Designated as Hedging Instrument - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Derivative [Line Items]
Notional Amount		$ 4,244,502		$ 4,075,480
Estimated Fair Value (1)	[1]	(920)		(744)
Derivative, Gain (Loss) on Derivative, Net		(178)	$ (63)
Assets
Derivative [Line Items]
Notional Amount		2,122,251		2,037,740
Estimated Fair Value (1)	[1]	82,743		66,462
Liabilities
Derivative [Line Items]
Notional Amount		2,122,251		2,037,740
Estimated Fair Value (1)	[1]	$ (83,663)		$ (67,206)

[1] The variation margin payments for derivatives cleared through central clearing houses are characterized as settlements. At March 31, 2024 and December 31, 2023, there were no interest rate swap agreements designated as non-hedge derivatives cleared through clearing houses.