Fee and Other Income - Schedule of Fee and Other Income (Parenthetical) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Fee And Other Income [Line Items]
Lease termination income	$ 66	$ 10,955
1633 Broadway [Member]
Fee And Other Income [Line Items]
Lease termination income		$ 10,861