Income Taxes (Details) - USD ($)	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Apr. 07, 2011
Income tax disclosure
Income (loss) before income taxes	$ 67,530,000	$ 47,453,000	$ 196,352,000	$ 55,949,000	$ 70,408,000	$ (11,263,000)	$ 6,320,000	$ 70,806,000	$ 367,284,000	$ 136,271,000	$ 274,414,000
Current
Federal									8,525,000	4,948,000	1,833,000
State									8,307,000	1,988,000	2,018,000
Foreign									1,332,000	828,000	223,000
Total current									18,164,000	7,764,000	4,074,000
Deferred
Federal									(10,241,000)	(11,317,000)	(3,278,000)
State									(1,401,000)	(1,382,000)	(347,000)
Foreign									(2,049,000)	(4,872,000)	(955,000)
Total deferred									(13,691,000)	(17,571,000)	(4,580,000)
Total income tax (benefit) expense									4,473,000	(9,807,000)	(506,000)
Reconciliation of the income tax expense at statutory rates to the actual income tax expense recorded
Tax (benefit) expense at U.S. federal statutory income tax rate on income or loss subject to tax									(4,581,000)	(12,630,000)	(2,131,000)
State income tax expense, net of federal tax									6,081,000	(606,000)	134,000
Gross receipts and margin taxes									1,847,000	1,383,000	1,573,000
Foreign rate differential									647,000	2,269,000	554,000
Effect of permanent differences									(280,000)	(298,000)	(196,000)
Return to provision adjustments									287,000	(368,000)	(528,000)
Increase in valuation allowance									472,000	443,000	88,000
Total income tax (benefit) expense									4,473,000	(9,807,000)	(506,000)
The significant components of the Company?s deferred tax assets and liabilities
Investments and property, primarily differences in investment basis, depreciation and amortization, the basis of land assets, and the treatment of interests and certain costs	28,940,000				19,862,000				28,940,000	19,862,000	3,418,000
Net operating loss carryforward	8,784,000				3,703,000				8,784,000	3,703,000	484,000
Expense accruals and other	(847,000)				(753,000)				(847,000)	(753,000)	462,000
Valuation allowance	(606,000)				(531,000)				(606,000)	(531,000)	(88,000)
Net deferred tax assets	36,271,000				22,281,000				36,271,000	22,281,000	4,276,000
Amount that tax basis of net assets is less than reported amounts	2,000,000,000				6,500,000,000				2,000,000,000	6,500,000,000	6,500,000,000
Discontinued Operation, Tax Effect of Discontinued Operation				$ 53,000,000					48,181,000	796,000	756,000
Deferred income tax expense									(13,691,000)	(17,571,000)	(4,580,000)
Unrecognized tax benefits	0				$ 0				0	0
UNITED KINGDOM
Income tax disclosure
Income (loss) before income taxes									4,000,000	15,000,000	4,000,000
TRS
Income tax disclosure
Income (loss) before income taxes									9,000,000	$ 22,000,000	2,000,000
The significant components of the Company?s deferred tax assets and liabilities
Net operating loss carryforward	$ 24,000,000								$ 24,000,000
HCRMC
The significant components of the Company?s deferred tax assets and liabilities
Net (decrease) increase in unrecognized tax benefits											$ (1,000,000)
Unrecognized tax benefits												$ 2,000,000