Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Income Tax Disclosure [Abstract]
Percentage of taxable income distributed to the partnership (at least)	100.00%
Net deferred tax liability	$ 153,819	$ 131,196
Gross deferred income tax assets:
Net operating loss carryforwards	98,054	123,091
Basis difference - real estate property	156,394	103,789
Basis difference - intangibles	2,225	2,002
Other - temporary differences	31,503	9,406
Total gross deferred income tax assets	288,176	238,288
Valuation allowance	(45,628)	(35,266)
Total deferred income tax assets, net of valuation allowance	242,548	203,022
Gross deferred income tax liabilities:
Basis difference - real estate property	289,867	273,155
Basis difference - intangibles	64,714	14,374
Straight-line rent	5,172	14,269
Other - temporary differences	36,614	32,420
Total gross deferred income tax liabilities	396,367	334,218
Net deferred income tax liabilities	153,819	131,196
Income Tax Expense (Benefit)	$ 10,385	$ 6,451	$ 5,238