Derivative Financial Instruments - Notional Values (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Derivatives, Fair Value [Line Items]
Notional Values	$ 1,987,429	$ 2,842,846
Trading
Derivatives, Fair Value [Line Items]
Notional Values	0	0
Cash Flow | Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Notional Values	1,285,120	1,314,660
Fair Value | Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Notional Values	702,309	1,528,186
Interest rate swaps
Derivatives, Fair Value [Line Items]
Notional Values	1,987,429	2,842,846
Interest rate swaps | Trading
Derivatives, Fair Value [Line Items]
Notional Values	0	0
Interest rate swaps | Cash Flow | Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Notional Values	1,285,120	1,314,660
Interest rate swaps | Fair Value | Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Notional Values	$ 702,309	$ 1,528,186