Organization and Summary of Significant Accounting Policies - Revenue Recognition (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Summary Of Significant Accounting Policies [Line Items]
Revenue from tenant rent and other tenant-related activities	95.00%
Straight line rent adjustments	$ 1,600	$ 2,000	$ 2,700
Straight-line rent receivable	30,400	27,200
Account receivable included in accrued income	41,261	38,914
Deferred marketing reimbursement income	200	200
Marketing revenue	4,100	3,900	4,400
Property management fee revenue	500	700	900
Development fee revenue	$ 700	800	$ 900
Accrued Income Receivable
Summary Of Significant Accounting Policies [Line Items]
Account receivable included in accrued income		$ 1,900