Accrued Rents and Accounts Receivable, Net (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Receivables [Abstract]
Tenant receivables	$ 16,036	$ 14,686
Accrued rents and other recoveries	16,618	16,423
Allowance for doubtful accounts	(10,146)	(9,746)
Other receivables	238	279
Total	$ 22,746	$ 21,642