Summary of Significant Accounting Policies - Prior Period Reclassifications (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Receivables and other assets, net	$ 141,703	$ 133,840
Total assets	3,172,300	3,031,384
Debt	1,590,696	1,402,195
Total liabilities	1,760,905	1,551,237
Total liabilities and equity/partners’ capital	$ 3,172,300	3,031,384
As Previously Reported
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Receivables and other assets, net		144,106
Total assets		3,041,650
Debt		1,412,461
Total liabilities		1,561,503
Total liabilities and equity/partners’ capital		$ 3,041,650