The Company and Financial Statement Presentation - Schedule of Variable Interest Entities (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Variable Interest Entity [Line Items]
Real estate, net	$ 2,561,549	$ 2,555,659
Total assets	2,970,190	2,953,840
Mortgages and notes payable, net	562,951	570,420
Total liabilities	1,624,856	1,607,162
Variable Interest Entity, Primary Beneficiary [Member]
Variable Interest Entity [Line Items]
Real estate, net	503,114	509,916
Total assets	573,107	607,963
Mortgages and notes payable, net	192,710	192,791
Total liabilities	$ 202,873	$ 203,322