Other Assets - Schedule of Other Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Other Assets, Unclassified [Abstract]
Straight line rent receivable, net	$ 84,225	$ 73,992
Notes receivable, net	24,102	22,694
Lease inducements, net	10,592	11,415
Prepaid expenses	8,878	8,000
Leasing commissions, net	8,868	7,986
Escrows	1,468	1,886
Interest rate swap	0	4,933
Other	3,561	4,036
Total	$ 141,694	$ 134,942