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, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Derivative Instruments, Gain (Loss) [Line Items]
Gain Recognized in OCI on Derivative	$ 3,321	$ 432	$ 12,438	$ 3,513
Gain (Loss) Reclassified from AOCI into Earnings	1,470	831	3,411	2,550
Derivatives Designated as Hedging Instruments [Member] | Cash Flow Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain Recognized in OCI on Derivative	3,321	432	12,438	3,513
Gain Recognized in OCI Included Component	3,321	432	12,438	3,513
Gain (Loss) Reclassified from AOCI into Earnings	1,217	831	3,094	2,550
Gain (Loss) Reclassified from AOCI into Earnings Included Component	1,784	1,398	4,777	4,233
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	1,297	1,175	3,710	3,551
Gain (Loss) Reclassified from AOCI into Earnings Included Component	1,864	1,742	5,393	5,234
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	3,321	432	12,438	3,513
Gain Recognized in OCI Included Component	3,321	432	12,438	3,513
Gain (Loss) Reclassified from AOCI into Earnings	(80)	(344)	(616)	(1,001)
Gain (Loss) Reclassified from AOCI into Earnings Included Component	$ (80)	$ (344)	$ (616)	$ (1,001)