Other Liabilities - Other Liabilities (Detail) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Other Liabilities
Dividends and distributions payable	$ 7,621	$ 6,368
Deferred ground rent payable	7,484	6,790
Acquired lease intangibles, net	5,872	1,867
Prepaid rent and other	2,145	1,911
Security deposits	1,267	1,014
Interest rate swaps	1,082	11
Other liabilities	$ 25,471	$ 17,961