Borrowings (Minetta And Orpheum Theatres Loan) (Narrative) (Details) - USD ($) $ in Thousands		3 Months Ended	12 Months Ended
	Oct. 12, 2018	Mar. 31, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Loan amount		$ 225,401	$ 227,633
Minetta And Orpheum Theatres Loan [Member]
Debt Instrument [Line Items]
Loan amount	$ 7,500	$ 8,000	$ 8,000
Minetta And Orpheum Theatres Loan [Member] | Santander Bank [Member]
Debt Instrument [Line Items]
Loan amount	$ 8,000
Debt instrument term		5 years