Summary of Significant Accounting Policies - Debt Issuance Costs (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Debt Instrument [Line Items]
Other assets, net	$ 187,665	$ 186,416
Assets	2,841,615	2,810,224
Notes and bonds payable	1,418,347	1,424,992
Liabilities	1,548,616	1,567,477
Liabilities and Equity	$ 2,841,615	2,810,224
As Previously Reported [Member]
Debt Instrument [Line Items]
Other assets, net		192,918
Assets		2,816,726
Notes and bonds payable		1,431,494
Liabilities		1,573,979
Liabilities and Equity		$ 2,816,726