Organization and Summary of Significant Accounting Policies - Risks and Uncertainties (Details) - Contingencies related to COVID-19 $ in Millions	12 Months Ended
	Dec. 31, 2020 USD ($) engine
Unusual Risk or Uncertainty [Line Items]
Workforce furloughed or subject o reduced compensation	9.00%
Increase (decrease) in asset impairment charges	$ 0.5
Number of assets impaired | engine	2
Reduction to rent revenues	$ 6.5