Fair Value Measurements - Schedule of Assets and Liabilities Measured at Fair Value on a Recurring Basis (Detail) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Liabilities:
Derivative financial instruments	$ 2,156
Assets:
Derivative financial instruments		$ 3,109
Fair Value, Measurements, Recurring [Member]
Liabilities:
Derivative financial instruments	2,156
Long-term obligations	1,557,883	1,553,389
Assets:
Derivative financial instruments		3,109
Fair Value, Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member]
Liabilities:
Derivative financial instruments	2,156
Long-term obligations	$ 1,557,883	1,553,389
Assets:
Derivative financial instruments		$ 3,109