Other Liabilities and Deferred Credits (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019	Jan. 01, 2019	Dec. 31, 2018
Other Liabilities Disclosure [Abstract]
Acquired below market leases, net	$ 21,458	$ 25,452
Prepaid rent and deferred revenue	14,518	16,969
Interest rate swap liability	4,531	1,317
Straight-line rent liability	18,049	16,903	$ 800
Deferred rent expense and lease intangible	16	28
Deferred compensation	2,059	1,669
Deferred tax liability	570	332		$ 300
Lease liability	30,060	5,380
Other liabilities	39	60
Total other liabilities and deferred credits, net	$ 91,300	$ 68,110
Operating Lease, Liability, Statement of Financial Position [Extensible List]	us-gaap:DeferredCreditsAndOtherLiabilities	us-gaap:DeferredCreditsAndOtherLiabilities