The Company and Financial Statement Presentation - Schedule of Variable Interest Entities (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Variable Interest Entity [Line Items]
Real estate, net	$ 3,398,529	$ 3,115,298
Total assets	3,758,477	3,493,226
Total liabilities	1,690,115	1,502,089
Variable Interest Entity, Primary Beneficiary
Variable Interest Entity [Line Items]
Real estate, net	655,464	569,461
Total assets	706,320	679,786
Mortgages and notes payable, net	25,616	25,600
Total liabilities	$ 47,065	$ 40,974