Derivatives And Hedging Activities - Additional Information (Detail) $ in Thousands	1 Months Ended		3 Months Ended
	Jun. 30, 2018 USD ($)	Dec. 31, 2015 USD ($)	Mar. 31, 2020 USD ($) agreement	Mar. 31, 2019 USD ($)
Derivative Instruments, Gain (Loss) [Line Items]
Interest expense			$ 32,734	$ 37,214
Unrealized gain (loss) on cash flow hedge, net of tax (expense) benefit of ($45) and ($370) for the three and six months ended June 30, 2018, respectively, and ($35) and $269 for the three and six months ended June 30, 2019, respectively			(372)	961
Unrealized gain (loss) arising during period, tax			$ 119	$ (304)
Cash Flow Hedging
Derivative Instruments, Gain (Loss) [Line Items]
Number of interest rate cap agreements | agreement			2
Interest rate cap period			3 years
Interest Rate Cap Entered Into December 2015
Derivative Instruments, Gain (Loss) [Line Items]
Interest rate cap period		3 years
Interest Rate Cap Entered Into December 2015 | Cash Flow Hedging
Derivative Instruments, Gain (Loss) [Line Items]
Derivative asset, notional amount		$ 500,000
Interest Rate Cap Entered Into June 2018
Derivative Instruments, Gain (Loss) [Line Items]
Interest rate cap period	3 years
Fair value of the interest rate contracts			$ 100
Interest Rate Cap Entered Into June 2018 | Reclassification out of Accumulated Other Comprehensive Income
Derivative Instruments, Gain (Loss) [Line Items]
Derivative loss to be reclassified as increase to interest expense in the next twelve months			1,800
Interest Rate Cap Entered Into June 2018 | Cash Flow Hedging
Derivative Instruments, Gain (Loss) [Line Items]
Derivative asset, notional amount	$ 800,000
Interest Rate Cap Entered Into June 2018 | Cash Flow Hedging | Designated as Hedging Instrument
Derivative Instruments, Gain (Loss) [Line Items]
Unrealized gain (loss) on cash flow hedge, net of tax (expense) benefit of ($45) and ($370) for the three and six months ended June 30, 2018, respectively, and ($35) and $269 for the three and six months ended June 30, 2019, respectively			(500)
Unrealized gain (loss) arising during period, tax			100
Interest Rate Cap Entered Into June 2018 | Cash Flow Hedging | Reclassification out of Accumulated Other Comprehensive Income | Designated as Hedging Instrument
Derivative Instruments, Gain (Loss) [Line Items]
Interest expense			$ 400