Information Concerning Guarantor and Non-Guarantor Subsidiaries - Condensed Consolidating Balance Sheet (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Jan. 01, 2019	Dec. 31, 2018	Jun. 30, 2018
ASSETS:
Property and equipment, net of accumulated depreciation	$ 3,134,206		$ 3,149,095
Cash and cash equivalents - unrestricted (including $32,455 and $11,648 from VIEs, respectively)	103,842		103,437	$ 61,779
Cash and cash equivalents - restricted (including $20,770 and $5 from VIEs, respectively)	65,252		45,652	$ 32,181
Notes receivable	113,275		122,209
Trade receivables, less allowance	90,532		67,923
Deferred income tax assets, net	32,372		40,557
Prepaid expenses and other assets	85,310		78,240
Intangible assets	227,128		246,770
Total assets	3,851,917		3,853,883
LIABILITIES AND EQUITY:
Debt and capital lease obligations	2,494,103		2,441,895
Accounts payable and accrued liabilities	244,418		274,890
Dividends payable	47,207		45,019
Deferred management rights proceeds	176,879		174,026
Operating lease liabilities	104,718	$ 100,900
Other liabilities	61,850		161,043
Commitments and contingencies
Noncontrolling interest in consolidated joint venture	287,718		287,433
Stockholders' equity:
Preferred stock
Common stock	514		513
Additional paid-in-capital	901,129		900,795
Treasury stock	(15,687)		(15,183)
Accumulated deficit	(420,408)		(388,524)
Accumulated other comprehensive loss	(30,524)		(28,024)
Total stockholders' equity	435,024		469,577
Total liabilities and stockholders' equity	3,851,917		3,853,883
Reportable Legal Entities [Member] | Parent Company [Member]
ASSETS:
Cash and cash equivalents - unrestricted (including $32,455 and $11,648 from VIEs, respectively)	30		81
Investments	1,080,405		1,101,740
Total assets	1,080,435		1,101,821
LIABILITIES AND EQUITY:
Accounts payable and accrued liabilities	25		50
Dividends payable	47,207		45,019
Intercompany payables, net	598,179		587,175
Commitments and contingencies
Stockholders' equity:
Preferred stock
Common stock	514		513
Additional paid-in-capital	901,129		900,795
Treasury stock	(15,687)		(15,183)
Accumulated deficit	(420,408)		(388,524)
Accumulated other comprehensive loss	(30,524)		(28,024)
Total stockholders' equity	435,024		469,577
Total liabilities and stockholders' equity	1,080,435		1,101,821
Reportable Legal Entities [Member] | Subsidiary Issuer [Member]
ASSETS:
Cash and cash equivalents - unrestricted (including $32,455 and $11,648 from VIEs, respectively)	2,486		657
Prepaid expenses and other assets	13,100		34
Investments	2,950,457		2,950,457
Total assets	2,966,043		2,951,148
LIABILITIES AND EQUITY:
Debt and capital lease obligations	1,952,297		1,946,699
Accounts payable and accrued liabilities	13,932		13,752
Intercompany payables, net	995,358		846,478
Commitments and contingencies
Stockholders' equity:
Preferred stock
Common stock	1		1
Additional paid-in-capital	408,746		499,122
Accumulated deficit	(404,291)		(354,904)
Total stockholders' equity	4,456		144,219
Total liabilities and stockholders' equity	2,966,043		2,951,148
Reportable Legal Entities [Member] | Guarantor Subsidiaries [Member]
ASSETS:
Property and equipment, net of accumulated depreciation	1,633,805		1,646,946
Cash and cash equivalents - unrestricted (including $32,455 and $11,648 from VIEs, respectively)	10		54
Deferred income tax assets, net	(413)		(444)
Prepaid expenses and other assets	7
Intercompany receivables, net	2,009,211		1,895,086
Investments	710,065		710,516
Total assets	4,352,685		4,252,158
LIABILITIES AND EQUITY:
Accounts payable and accrued liabilities	7,051		7,253
Operating lease liabilities	102,405
Other liabilities			100,068
Commitments and contingencies
Stockholders' equity:
Preferred stock
Common stock	1		1
Additional paid-in-capital	2,895,842		2,895,842
Accumulated deficit	1,347,386		1,248,994
Total stockholders' equity	4,243,229		4,144,837
Total liabilities and stockholders' equity	4,352,685		4,252,158
Reportable Legal Entities [Member] | Non-Guarantor Subsidiaries [Member]
ASSETS:
Property and equipment, net of accumulated depreciation	1,500,401		1,502,149
Cash and cash equivalents - unrestricted (including $32,455 and $11,648 from VIEs, respectively)	101,316		102,645
Cash and cash equivalents - restricted (including $20,770 and $5 from VIEs, respectively)	65,252		45,652
Notes receivable	113,275		122,209
Trade receivables, less allowance	90,532		67,923
Deferred income tax assets, net	32,785		41,001
Prepaid expenses and other assets	101,115		79,460
Intangible assets	227,128		246,770
Investments	1,893,053		1,898,756
Total assets	4,124,857		4,106,565
LIABILITIES AND EQUITY:
Debt and capital lease obligations	554,664		495,196
Accounts payable and accrued liabilities	234,341		255,089
Deferred management rights proceeds	176,879		174,026
Operating lease liabilities	7,436
Other liabilities	61,850		60,975
Intercompany payables, net	415,674		461,433
Commitments and contingencies
Noncontrolling interest in consolidated joint venture	287,718		287,433
Stockholders' equity:
Preferred stock
Common stock	2,387		2,387
Additional paid-in-capital	2,662,431		2,668,134
Accumulated deficit	(247,999)		(270,084)
Accumulated other comprehensive loss	(30,524)		(28,024)
Total stockholders' equity	2,386,295		2,372,413
Total liabilities and stockholders' equity	4,124,857		4,106,565
Consolidation, Eliminations [Member]
ASSETS:
Prepaid expenses and other assets	(28,912)		(1,254)
Intercompany receivables, net	(2,009,211)		(1,895,086)
Investments	(6,633,980)		(6,661,469)
Total assets	(8,672,103)		(8,557,809)
LIABILITIES AND EQUITY:
Debt and capital lease obligations	(12,858)
Accounts payable and accrued liabilities	(10,931)		(1,254)
Operating lease liabilities	(5,123)
Intercompany payables, net	(2,009,211)		(1,895,086)
Commitments and contingencies
Stockholders' equity:
Preferred stock
Common stock	(2,389)		(2,389)
Additional paid-in-capital	(5,967,019)		(6,063,098)
Accumulated deficit	(695,096)		(624,006)
Accumulated other comprehensive loss	30,524		28,024
Total stockholders' equity	(6,633,980)		(6,661,469)
Total liabilities and stockholders' equity	$ (8,672,103)		$ (8,557,809)