Summary of Significant Accounting Policies (Impacts of the ASC 842 and ASC 450 Reserves) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Financing Receivable, Allowance for Credit Loss [Line Items]
Total (income) expense impact	$ 1,618	$ (2,515)	$ 2,091	$ (1,905)
Collectibility of receivables
Financing Receivable, Allowance for Credit Loss [Line Items]
ASC 842 reserve, rental revenue	1,644	(3,803)	4,537	(4,037)
ASC 450 reserve, provision for (recovery of) doubtful accounts	$ (26)	$ 1,288	$ (2,446)	$ 2,132