Schedule I - Condensed Balance Sheets (Detail) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Current assets:
Total current assets	$ 169,149	$ 146,567
Total assets	2,300,518	2,115,602
Current liabilities:
Other accrued liabilities	81,841	23,066
Total current liabilities	402,660	310,671
Total liabilities	2,089,626	1,850,408
Commitments and contingencies
Stockholders’ Equity:
Preferred stock, $0.01 par value—authorized, 100,000,000 shares, no shares issued or outstanding at December 31, 2019 and 2018
Common stock, $0.01 par value—authorized, 1,000,000,000 shares; 94,044,203 and 93,400,929 shares issued at December 31, 2019 and 2018, respectively	940	934
Additional paid-in capital	673,893	663,834
Accumulated other comprehensive (loss) income	(1,559)	2,284
Accumulated deficit	(59,479)	(148,955)
Treasury stock, at cost (15,790,463 and 10,174,589 shares at December 31, 2019 and 2018, respectively)	(402,903)	(252,903)
Total stockholders’ equity	210,892	265,194	$ 287,466	$ 461,215
Total liabilities and stockholders’ equity	2,300,518	2,115,602
Parent Company [Member]
Current assets:
Cash	169	136
Total current assets	169	136
Investment in wholly owned subsidiary	210,892	265,194
Total assets	211,061	265,330
Current liabilities:
Dividends payable	17	84
Other accrued liabilities	152	52
Total current liabilities	169	136
Total liabilities	169	136
Commitments and contingencies
Stockholders’ Equity:
Preferred stock, $0.01 par value—authorized, 100,000,000 shares, no shares issued or outstanding at December 31, 2019 and 2018
Common stock, $0.01 par value—authorized, 1,000,000,000 shares; 94,044,203 and 93,400,929 shares issued at December 31, 2019 and 2018, respectively	940	934
Additional paid-in capital	673,893	663,834
Accumulated other comprehensive (loss) income	(1,559)	2,284
Accumulated deficit	(59,479)	(148,955)
Treasury stock, at cost (15,790,463 and 10,174,589 shares at December 31, 2019 and 2018, respectively)	(402,903)	(252,903)
Total stockholders’ equity	210,892	265,194
Total liabilities and stockholders’ equity	$ 211,061	$ 265,330