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		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Derivative Instruments, Gain (Loss) [Line Items]
Gain Recognized in OCI on Derivative	$ 3,927	$ 3,321	$ 4,248	$ 12,438
Gain (Loss) Reclassified from AOCI into Earnings	2,844	1,470	8,065	3,411
Derivatives Designated as Hedging Instruments [Member] | Cash Flow Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain Recognized in OCI on Derivative	3,927	3,321	4,248	12,438
Gain Recognized in OCI Included Component	3,927	3,321	4,248	12,438
Gain (Loss) Reclassified from AOCI into Earnings	1,535	1,217	4,531	3,094
Gain (Loss) Reclassified from AOCI into Earnings Included Component	2,102	1,784	6,214	4,777
Loss Reclassified from AOCI into Earnings Excluded Component	(567)	(567)	(1,683)	(1,683)
Derivatives Designated as Hedging Instruments [Member] | Interest Rate Floor [Member] | Cash Flow Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Reclassified from AOCI into Earnings	1,164	1,297	3,600	3,710
Gain (Loss) Reclassified from AOCI into Earnings Included Component	1,731	1,864	5,283	5,393
Loss Reclassified from AOCI into Earnings Excluded Component	(567)	(567)	(1,683)	(1,683)
Derivatives Designated as Hedging Instruments [Member] | Interest Rate Swap [Member] | Cash Flow Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain Recognized in OCI on Derivative	3,927	3,321	4,248	12,438
Gain Recognized in OCI Included Component	3,927	3,321	4,248	12,438
Gain (Loss) Reclassified from AOCI into Earnings	371	(80)	$ 931	(616)
Gain (Loss) Reclassified from AOCI into Earnings Included Component	$ 371	$ (80)		$ (616)