Consolidated Statements Of Cash Flows - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Operating Activities
Net income (loss)	$ 34,814,000	$ (65,857,000)	$ (26,503,000)
Adjustments to reconcile net income to net cash flows from operating activities:
Equity earnings of unconsolidated joint ventures	(258,000)	449,000	(792,000)
Distributions of earnings from unconsolidated joint ventures		240,000	864,000
Gain recognized on foreign currency transactions	(2,085,000)
Net loss (gain) on sale of assets	(92,219,000)	1,000	2,000
Amortization of operating leases	23,357,000	21,458,000	20,765,000
Amortization of finance leases	49,000	93,000	165,000
Change in operating lease liabilities	(21,506,000)	(20,400,000)	(20,137,000)
Interest on hedged derivatives	(56,000)		(10,000)
Change in net deferred tax assets	967,000	401,000	23,115,000
Purchase of derivative instruments	(62,000)
Depreciation and amortization	22,746,000	22,317,000	22,747,000
Impairment of long-lived assets	0	217,000	0
Other amortization	1,368,000	1,046,000	952,000
Share-based compensation expense	2,152,000	1,421,000	1,463,000
Net changes in operating assets and liabilities:
Receivables	(2,817,000)	4,805,000	704,000
Prepaid and other assets	2,122,000	(1,307,000)	(216,000)
Payments for accrued pension	(683,000)	(683,000)	(683,000)
Accounts payable and accrued expenses	6,313,000	9,330,000	508,000
Film rent payable	4,725,000	(6,323,000)	48,000
Taxes payable	10,943,000	(34,000)	(1,514,000)
Deferred revenue and other liabilities	(3,368,000)	2,626,000	3,129,000
Net cash provided by (used in) operating activities	(13,498,000)	(30,200,000)	24,607,000
Investing Activities
Proceeds from sale of assets	145,165,000
Purchases of and additions to operating and investment properties	(15,555,000)	(18,526,000)	(45,709,000)
Acquisition of business			(7,877,000)
Cash settlement on insurance claim			323,000
Contributions to unconsolidated joint ventures		(245,000)
Net cash provided by (used in) investing activities	129,610,000	(18,771,000)	(53,263,000)
Financing Activities
Repayment of long-term borrowings	(88,417,000)	(29,896,000)	(52,394,000)
Repayment of finance lease principal	(49,000)	(92,000)	(160,000)
Proceeds from borrowings	45,337,000	90,323,000	90,507,000
Capitalized borrowing costs	(1,691,000)	(97,000)	(526,000)
Repurchase of Class A Nonvoting Common Stock		(670,000)	(11,152,000)
Proceeds (payments) from stock option exercises	(148,000)	(43,000)	(315,000)
Noncontrolling interest contributions	3,000	55,000	90,000
Noncontrolling interest distributions	(5,315,000)	(250,000)	(42,000)
Net cash provided by (used in) financing activities	(50,280,000)	59,330,000	26,008,000
Effect of exchange rate on cash and restricted cash	(4,095,000)	4,333,000	322,000
Net increase (decrease) in cash and cash equivalents and restricted cash	61,737,000	14,692,000	(2,326,000)
Cash and cash equivalents and restricted cash at the beginning of the year	26,834,000	12,142,000	14,468,000
Cash and cash equivalents and restricted cash at the end of the year	88,571,000	26,834,000	12,142,000
Cash and cash equivalents and restricted cash consists of:
Cash and cash equivalents	83,251,000	26,826,000	12,135,000
Restricted cash	5,320,000	8,000	7,000
Total	88,571,000	26,834,000	12,142,000
Supplemental Disclosures
Interest paid	12,394,000	10,240,000	10,650,000
Income taxes paid (refunded), net	(6,479,000)	(2,333,000)	7,038,000
Non-Cash Transactions
Lease make-good accrual	288,000	62,000	902,000
Additions to long-term borrowings			3,519,000
Additions to operating and investing properties through accrued expenses	$ 3,177,000	$ 4,346,000	$ 6,003,000