Borrowings (Minetta And Orpheum Theatres Loan) (Narrative) (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2023	Dec. 31, 2022	Oct. 12, 2018
Debt Instrument [Line Items]
Debt carrying amount	$ 208,589	$ 215,633
Minetta And Orpheum Theatres Loan [Member]
Debt Instrument [Line Items]
Debt carrying amount	$ 8,000	$ 8,000	$ 7,500
Debt instrument term	5 years
Debt, face amount	$ 8,000