Derivative Instruments and Hedging Activities - Schedule of Changes in Accumulated Other Comprehensive Income (Loss), Net of Tax (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Accumulated other comprehensive income (loss) (In thousands):
Beginning Balance	$ 210,892	$ 265,194
Ending Balance	(105,803)	210,892
Accumulated Other Comprehensive (Loss) Income [Member]
Accumulated other comprehensive income (loss) (In thousands):
Beginning Balance	(1,559)	2,284
Ending Balance		(1,559)
Gains (Losses) on Cash Flow Hedges [Member]
Accumulated other comprehensive income (loss) (In thousands):
Other comprehensive loss before reclassifications	(271)	(3,831)
Amounts reclassified from accumulated other comprehensive income (loss) to interest expense	1,830	(12)
Change in other comprehensive income (loss), net of tax	$ 1,559	$ (3,843)