Condensed Consolidating Balance Sheet (Unaudited) (Detail) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019	Mar. 31, 2019	Dec. 31, 2018
ASSETS
Cash and cash equivalents	$ 335,491	$ 92,120
Restricted cash	16,850	26,973
Accounts receivable, net of allowance	272,598	280,785
Prepaid expenses and other current assets	34,962	35,507
Total current assets	659,901	435,385
Real estate and related assets:
Property and equipment, net	2,758,682	2,700,107
Other real estate assets	235,691	238,637
Goodwill	50,537	50,537
Non-current deferred tax assets	13,663	16,058
Other assets	360,325	350,907
Total assets	4,078,799	3,791,631
LIABILITIES AND STOCKHOLDERS' EQUITY
Accounts payable and accrued expenses	318,365	337,462
Current portion of long-term debt, net	34,891	31,349
Total current liabilities	353,256	368,811
Long-term debt, net	2,236,427	1,928,023
Deferred revenue	9,061	12,469
Other liabilities	101,379	105,579
Total liabilities	2,700,123	2,414,882
Total equity	1,378,676	1,376,749	$ 1,382,414	$ 1,415,059
Total liabilities and equity	4,078,799	3,791,631
Reportable Legal Entities | Parent
ASSETS
Cash and cash equivalents	309,497	45,427
Restricted cash	300
Accounts receivable, net of allowance	129,398	154,533
Prepaid expenses and other current assets	3,537	3,084
Total current assets	442,732	203,044
Real estate and related assets:
Property and equipment, net	2,217,045	2,226,822
Other real estate assets	235,691	238,637
Goodwill	35,425	35,425
Other assets	622,709	606,718
Total assets	3,553,602	3,310,646
LIABILITIES AND STOCKHOLDERS' EQUITY
Accounts payable and accrued expenses	265,908	261,588
Current portion of long-term debt, net	25,353	23,776
Total current liabilities	291,261	285,364
Long-term debt, net	1,889,449	1,629,745
Non-current deferred tax liabilities	343	478
Other liabilities	17,144	18,310
Total liabilities	2,198,197	1,933,897
Total equity	1,355,405	1,376,749
Total liabilities and equity	3,553,602	3,310,646
Reportable Legal Entities | Combined Subsidiary Guarantors
ASSETS
Cash and cash equivalents	24,962	45,309
Restricted cash	6	7
Accounts receivable, net of allowance	564,083	545,291
Prepaid expenses and other current assets	33,864	32,600
Total current assets	622,915	623,207
Real estate and related assets:
Property and equipment, net	260,491	272,888
Goodwill	15,112	15,112
Non-current deferred tax assets	14,006	14,125
Other assets	126,733	136,125
Total assets	1,039,257	1,061,457
LIABILITIES AND STOCKHOLDERS' EQUITY
Accounts payable and accrued expenses	364,841	396,703
Total current liabilities	364,841	396,703
Long-term debt, net	114,706	114,682
Deferred revenue	9,061	12,469
Other liabilities	80,654	87,269
Total liabilities	569,262	611,123
Total equity	469,995	450,334
Total liabilities and equity	1,039,257	1,061,457
Reportable Legal Entities | Non-Guarantor Subsidiaries
ASSETS
Cash and cash equivalents	1,032	1,384
Restricted cash	16,544	26,966
Accounts receivable, net of allowance	(9,483)	86
Prepaid expenses and other current assets	1,637	3,966
Total current assets	9,730	32,402
Real estate and related assets:
Property and equipment, net	281,146	200,397
Non-current deferred tax assets		2,411
Other assets	192,860	173,268
Total assets	483,736	408,478
LIABILITIES AND STOCKHOLDERS' EQUITY
Accounts payable and accrued expenses	103,058	102,404
Current portion of long-term debt, net	9,538	7,573
Total current liabilities	112,596	109,977
Long-term debt, net	347,272	298,596
Other liabilities	3,581
Total liabilities	463,449	408,573
Total equity	20,287	(95)
Total liabilities and equity	483,736	408,478
Consolidating Adjustments and Other
ASSETS
Accounts receivable, net of allowance	(411,400)	(419,125)
Prepaid expenses and other current assets	(4,076)	(4,143)
Total current assets	(415,476)	(423,268)
Real estate and related assets:
Non-current deferred tax assets	(343)	(478)
Other assets	(581,977)	(565,204)
Total assets	(997,796)	(988,950)
LIABILITIES AND STOCKHOLDERS' EQUITY
Accounts payable and accrued expenses	(415,442)	(423,233)
Total current liabilities	(415,442)	(423,233)
Long-term debt, net	(115,000)	(115,000)
Non-current deferred tax liabilities	(343)	(478)
Total liabilities	(530,785)	(538,711)
Total equity	(467,011)	(450,239)
Total liabilities and equity	$ (997,796)	$ (988,950)