Fee and Other Income - Schedule of Fee and Other Income (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Fee income
Property management fees	$ 1,673	$ 1,404	$ 4,815	$ 4,464
Asset management fee income	1,997	2,003	6,622	5,500
Acquisition and disposition	1,475	187	7,045	777
Other fees	689	382	1,356	827
Total fee income	5,834	3,976	19,838	11,568
Lease termination income	954	3,460	1,915	14,508
Other income	2,545	2,885	8,235	11,910
Total fee and other income	$ 9,333	$ 10,321	$ 29,988	$ 37,986