Derivative Instruments - Cumulative Basis Adjustment for Fair Value Hedges (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Derivative Instruments, Gain (Loss) [Line Items]
Carrying Amount of the Hedged Assets	$ 1,149,995	$ 1,138,074
Cumulative Amount of Fair Value Hedging Adjustment Included in the Carrying Amount of the Hedged Assets	(50,005)	(61,926)
Derivative assets, notional	1,012,512	1,012,146
Designated as Hedging Instrument
Derivative Instruments, Gain (Loss) [Line Items]
Derivative assets, notional	900,000	900,000
Designated as Hedging Instrument | Interest rate swaps contracts
Derivative Instruments, Gain (Loss) [Line Items]
Derivative assets, notional	1,200,000	1,200,000
Loans held for investment
Derivative Instruments, Gain (Loss) [Line Items]
Carrying Amount of the Hedged Assets	1,149,995	1,138,074
Cumulative Amount of Fair Value Hedging Adjustment Included in the Carrying Amount of the Hedged Assets	(50,005)	(61,926)
Loans held for investment | Designated as Hedging Instrument
Derivative Instruments, Gain (Loss) [Line Items]
Amortized Cost used in hedging relationships	3,270,000	3,350,000
Cumulative basis adjustments associated with hedging relationships	(50,000)	(61,900)
Loans held for investment | Designated as Hedging Instrument | Interest rate swaps contracts
Derivative Instruments, Gain (Loss) [Line Items]
Derivative assets, notional	$ 1,200,000	$ 1,200,000