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Derivatives and Hedging Activities - Summary of Effect of Hedges on AOCI in Consolidated Statements of Comprehensive Income Related to Company's Derivative Assets and Liabilities (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Recognized in OCI on Derivative	$ (16,053)	$ 22,646
Gain (Loss) Reclassified from AOCI into Earnings	797	24
Derivatives Designated as Hedging Instruments [Member] | Cash Flow Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Recognized in OCI on Derivative	(16,053)	22,646
Gain (Loss) Recognized in OCI Included Component	(20,489)	44,063
Gain (Loss) Recognized in OCI Excluded Component	4,436	(21,417)
Gain (Loss) Reclassified from AOCI into Earnings	(954)	(1,152)
(Loss) Gain Reclassified from AOCI into Earnings Included Component	(376)	(574)
Loss Reclassified from AOCI into Earnings Excluded Component	(578)	(578)
Derivatives Designated as Hedging Instruments [Member] | Interest Rate Floors and Floor Spreads [Member] | Cash Flow Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Recognized in OCI on Derivative	(16,250)	23,735
Gain (Loss) Recognized in OCI Included Component	(20,686)	45,152
Gain (Loss) Recognized in OCI Excluded Component	4,436	(21,417)
Gain (Loss) Reclassified from AOCI into Earnings	(1,109)	(1,395)
(Loss) Gain Reclassified from AOCI into Earnings Included Component	(531)	(817)
Loss Reclassified from AOCI into Earnings Excluded Component	(578)	(578)
Derivatives Designated as Hedging Instruments [Member] | Interest Rate Swap [Member] | Cash Flow Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Recognized in OCI on Derivative	197	(1,089)
Gain (Loss) Recognized in OCI Included Component	197	(1,089)
Gain (Loss) Reclassified from AOCI into Earnings	155	243
(Loss) Gain Reclassified from AOCI into Earnings Included Component	$ 155	$ 243

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