Goodwill And Intangible Assets (Tables)	9 Months Ended
	Sep. 30, 2021
Goodwill And Intangible Assets [Abstract]
Summary Of Goodwill	(Dollars in thousands) Cinema Real Estate TotalBalance at December 31, 2020 $ 22,892 $ 5,224 $ 28,116Foreign currency translation adjustment (1,332) — (1,332)Balance at September 30, 2021 $ 21,560 $ 5,224 $ 26,784
Summary Of Intangible Assets Other Than Goodwill	As of September 30, 2021(Dollars in thousands) Beneficial‎Leases Trade‎Name Other‎Intangible‎Assets TotalGross carrying amount $ 12,326 $ 9,058 $ 4,967 $ 26,351Less: Accumulated amortization (11,990) (7,589) (3,285) (22,864)Less: Impairments — — (17) (17)Net intangible assets other than goodwill $ 336 $ 1,469 $ 1,665 $ 3,470 As of December 31, 2020(Dollars in thousands) Beneficial‎Leases Trade‎Name Other‎Intangible‎Assets TotalGross carrying amount $ 12,451 $ 9,058 $ 4,764 $ 26,273Less: Accumulated amortization (10,375) (7,377) (4,533) (22,285)Less: Impairments — — (17) (17)Net intangible assets other than goodwill $ 2,076 $ 1,681 $ 214 $ 3,971
Summary Of Amortization Expense	Quarter Ended Nine Months Ended September 30, September 30,(Dollars in thousands) 2021 2020 2021 2020Beneficial lease amortization $ 28 $ 27 $ 87 $ 77Other amortization 262 279 518 483Total intangible assets amortization $ 290 $ 306 $ 605 $ 560