Other Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Other Liabilities Disclosure [Abstract]
Ground lease liability	$ 59,277	$ 59,379
Prepaid rent	30,841	33,428
Security deposits	12,900	13,545
Restricted stock unit liability	6,169	16,592
Other liabilities	11,622	11,184
Total other liabilities	$ 120,809	$ 134,128