Real Estate Intangibles - Summary of Real Estate Intangible Amortization (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Goodwill and Intangible Assets Disclosure [Abstract]
Rental income related to (above)/below market tenant leases, net	$ 402	$ 73	$ 925	$ (82)
Amortization related to in place lease intangibles and lease commissions	$ (33,316)	$ (28,518)	$ (69,293)	$ (53,423)