Other Assets - Schedule of Other Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Other Assets, Unclassified [Abstract]
Straight line rent receivable, net	$ 42,510	$ 32,018
Note receivable	0	16,618
Interest rate swap	12,760	13,881
Lease inducements, net	14,962	13,255
Prepaid expenses	19,858	8,928
Escrows	1,666	4,334
Leasing commissions, net	2,857	1,858
Earnest deposits	26,770	1,500
Other	2,526	2,795
Total	$ 123,909	$ 95,187