Description Of Business And Segment Reporting (Tables)	12 Months Ended
	Dec. 31, 2021
Description Of Business And Segment Reporting [Abstract]
Summary Of Results Of Operations For Principal Business Segments	2021 2020 2019(Dollars in thousands) Cinema Real‎Estate Total Cinema Real‎Estate Total Cinema Real‎Estate TotalRevenue - third party $ 126,812 $ 12,248 $ 139,060 $ 67,014 $ 10,848 $ 77,862 $ 262,189 $ 14,579 $ 276,768Inter-segment revenue (1) — 515 515 — 2,115 2,115 — 7,326 7,326Total segment revenue 126,812 12,763 139,575 67,014 12,963 79,977 262,189 21,905 284,094Operating expense Operating Expense - Third Party (122,901) (10,106) (133,007) (91,065) (8,578) (99,643) (210,050) (9,453) (219,503)Inter-Segment Operating Expenses (1) (515) — (515) (2,115) — (2,115) (7,326) — (7,326)Total of services and products (excluding depreciation and amortization) (123,416) (10,106) (133,522) (93,180) (8,578) (101,758) (217,376) (9,453) (226,829)Depreciation and amortization (14,422) (7,092) (21,514) (15,246) (6,101) (21,347) (16,940) (5,393) (22,333)Impairment of long-lived assets — — — (217) — (217) — — —General and administrative expense (7,611) (920) (8,531) (3,427) (747) (4,174) (4,544) (1,918) (6,462)Total operating expense (145,449) (18,118) (163,567) (112,070) (15,426) (127,496) (238,860) (16,764) (255,624)Segment operating income (loss) $ (18,637) $ (5,355) $ (23,992) $ (45,056) $ (2,463) $ (47,519) $ 23,329 $ 5,141 $ 28,470 (1)Inter-segment Revenues and Operating Expense relates to the internal charge between the two segments where the cinema operates within real estate owned within the group.
Reconciliation To Net Income Attributable To Common Shareholders	(Dollars in thousands) 2021 2020 2019Segment operating income (loss) $ (23,992) $ (47,519) $ 28,470Unallocated corporate expense: Depreciation and amortization expense (1,232) (970) (414)General and administrative expense (16,569) (12,824) (18,933)Interest expense, net (13,688) (9,354) (7,904)Equity earnings (loss) of unconsolidated joint ventures 258 (449) 792Gain (loss) on sale of assets 92,219 (1) (2)Other (expense) income 3,762 293 325Income (loss) before income taxes $ 40,758 $ (70,824) $ 2,334
Summary Of Assets	December 31,(Dollars in thousands) 2021 2020By segment: Cinema $ 316,169 $ 357,196Real estate 257,224 312,832Corporate (1) 114,309 20,141Total assets $ 687,702 $ 690,169By country: United States $ 336,029 $ 340,836Australia 274,330 267,153New Zealand 77,343 82,180Total assets $ 687,702 $ 690,169 (1)Corporate Assets includes cash and cash equivalents of $83.3 million and $26.8 million as of December 31, 2021 and 2020, respectively.
Schedule Of Operating Property By Country	December 31,(Dollars in thousands) 2021 2020United States $ 177,918 $ 182,416Australia 107,343 144,573New Zealand 21,396 26,136Total operating property $ 306,657 $ 353,125
Summary Of Capital Expenditures	(Dollars in thousands) 2021 2020 2019Segment capital expenditures $ 14,428 $ 16,686 $ 47,555Corporate capital expenditures — 73 167Total capital expenditures $ 14,428 $ 16,759 $ 47,722