Derivative Instruments and Hedging Activities - Additional Information (Detail)	12 Months Ended
	Dec. 31, 2019 USD ($) Swap	Dec. 31, 2018 USD ($)
Derivative Instruments, Gain (Loss) [Line Items]
Reclassified as a increase to interest expense through expiration date	$ 2,200,000
Unrealized gain (loss) on derivatives, tax expense (benefit)	(1,400,000)	$ 3,100,000
Termination value of derivatives in a net liability position	2,200,000
Collateral posted relating to credit risk-related contingent features	$ 0
Interest Rate Swaps [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Number of interest rate swaps held | Swap	5
Notional amount of interest rate swap	$ 1,000,000,000.0
Maturity of interest rate swap	May 14, 2020
Not Designated as Hedge Accounting Relationships [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivatives outstanding	$ 0	$ 0