Summary of Significant Accounting Policies - Schedule of Fee and Other Income from Continuing Operations (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Income Statement [Abstract]
Management and other fee income	$ 36,298	$ 32,971	$ 31,907
Ancillary and other property income	18,678	19,038	24,288
Lease termination fees	3,512	2,774	4,085
Other	80	565	621
Total fee and other income	$ 58,568	$ 55,348	$ 60,901