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		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Recognized in OCI on Derivative	$ (8,775)	$ 1,848	$ (22,433)	$ 321
Gain Reclassified from AOCI into Earnings	2,066	2,660	5,726	5,221
Derivatives Designated as Hedging Instruments [Member] | Cash Flow Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Recognized in OCI on Derivative	(8,775)	1,848	(22,433)	321
Gain (Loss) Recognized in OCI Included Component	(11,810)	1,848	(34,988)	321
Gain Recognized in OCI Excluded Component	3,035		12,555
Gain Reclassified from AOCI into Earnings	890	1,501	1,968	2,996
Gain Reclassified from AOCI into Earnings Included Component	1,914	2,062	3,877	4,112
Loss Reclassified from AOCI into Earnings Excluded Component	(1,024)	(561)	(1,909)	(1,116)
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	(9,622)
Gain (Loss) Recognized in OCI Included Component	(12,657)
Gain Recognized in OCI Excluded Component	3,035
Gain Reclassified from AOCI into Earnings	514
Gain Reclassified from AOCI into Earnings Included Component	1,538
Loss Reclassified from AOCI into Earnings Excluded Component	(1,024)
Derivatives Designated as Hedging Instruments [Member] | Interest Rate Floor [Member] | Cash Flow Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Recognized in OCI on Derivative			(25,158)
Gain (Loss) Recognized in OCI Included Component			(37,713)
Gain Recognized in OCI Excluded Component			12,555
Gain Reclassified from AOCI into Earnings		1,205	1,217	2,436
Gain Reclassified from AOCI into Earnings Included Component		1,766	3,126	3,552
Loss Reclassified from AOCI into Earnings Excluded Component		(561)	(1,909)	(1,116)
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	847	1,848	2,725	321
Gain (Loss) Recognized in OCI Included Component	847	1,848	2,725	321
Gain Reclassified from AOCI into Earnings	376	296	751	560
Gain Reclassified from AOCI into Earnings Included Component	$ 376	$ 296	$ 751	$ 560