Non-controlling Interests (Tables)	9 Months Ended
	Sep. 30, 2021
Non-controlling Interests [Abstract]
Components Of Non-controlling Interests	September 30, December 31,(Dollars in thousands) 2021 2020Australian Country Cinemas, Pty Ltd $ (3) $ (51)Shadow View Land and Farming, LLC (3) 2,131Sutton Hill Properties, LLC 999 1,324Noncontrolling interests in consolidated subsidiaries $ 993 $ 3,404
Components Of Income Attributable To Non-controlling Interest	Quarter Ended Nine Months Ended September 30, September 30,(Dollars in thousands) 2021 2020 2021 2020Australian Country Cinemas, Pty Ltd $ 6 $ (35) $ 48 $ (80)Shadow View Land and Farming, LLC — (5) 3,166 (48)Sutton Hill Properties, LLC (111) (84) (325) (261)Net income (loss) attributable to noncontrolling interests $ (105) $ (124) $ 2,889 $ (389)
Summary Of Changes In Controlling And Non-controlling Stockholders’ Equity	Common Stock Retained Accumulated Reading Class A Class AClass BClass B AdditionalEarnings  Other International Inc.  Total Non-Voting Par VotingParPaid-In(Accumulated TreasuryComprehensive Stockholders’ Noncontrolling Stockholders’(Dollars in thousands, except shares)SharesValue Shares Value CapitalDeficit) SharesIncome (Loss)EquityInterests EquityAt January 1, 2021 20,069$ 231 1,680$ 17$ 149,979$ (44,553)$ (40,407)$ 12,502$ 77,769$ 3,404$ 81,173Net income (loss) — — — — — 18,965 — — 18,965 3,102 22,067Other comprehensive income, net — — — — — — — (2,545) (2,545) — (2,545)Share-based compensation expense — — — — 464 — — — 464 — 464Restricted Stock Units 52 1 — — (111) — — — (110) — (110)Distributions to noncontrolling stockholders — — — — — — — — — (5,300) (5,300)At March 31, 2021 20,121$ 232 1,680$ 17$ 150,332$ (25,588)$ (40,407)$ 9,957$ 94,543$ 1,206$ 95,749Net income — — — — — 22,702 — — 22,702 (108) 22,594Other comprehensive income, net — — — — — — — (1,592) (1,592) — (1,592)Share-based compensation expense — — — — 450 — — — 450 — 450Restricted Stock Units 4 — — — (2) — — — (2) — (2)At June 30, 2021 20,125$ 232 1,680$ 17$ 150,780$ (2,886)$ (40,407)$ 8,365$ 116,101$ 1,098$ 117,199Net income — — — — — (10,095) — — (10,095) (105) (10,200)Other comprehensive income, net — — — — — — — (4,029) (4,029) -- (4,029)Share-based compensation expense — — — — 606 — — — 606 -- 606Restricted Stock Units 2 — — — (3) — — — (3) -- (3)At September 30, 2021 20,127$ 232 1,680$ 17$ 151,383$ (12,981)$ (40,407)$ 4,336$ 102,580$ 993$ 103,573 Common Stock Retained Accumulated Reading Class A Class AClass BClass B AdditionalEarnings  Other International Inc.  Total Non-Voting Par VotingParPaid-In(Accumulated TreasuryComprehensive Stockholders’ Noncontrolling Stockholders’(Dollars in thousands, except shares)SharesValue Shares Value CapitalDeficit) SharesIncome (Loss)EquityInterests EquityAt January 1, 2020 20,103$ 231 1,680$ 17$ 148,602$ 20,647$ (39,737)$ 5,589$ 135,349$ 4,267$ 139,616Net income (loss) — — — — — (5,875) — — (5,875) (81) (5,956)Other comprehensive income, net — — — — — — — (15,879) (15,879) (18) (15,897)Share-based compensation expense — — — — 336 — — — 336 — 336Share repurchase plan (75) — — — — — (670) — (670) — (671)Restricted Stock Units 19 — — (30) — — — (30) — (30)At March 31, 2020 20,047$ 231 1,680$ 17$ 148,908$ 14,772$ (40,407)$ (10,290)$ 113,231$ 4,168$ 117,399Net income — — — — — (22,703) — — (22,703) (185) (22,888)Other comprehensive income, net — — — — — — — 10,707 10,707 9 10,716Share-based compensation expense — — — — 369 — — — 369 — 369Restricted Stock Units 21 — — (11) — — — (11) — (11)At June 30, 2020 20,068 231 1,680 17 149,266 (7,931) (40,407) 417 101,593 3,992 105,585Net income — — — — — (19,228) — — (19,228) (124) (19,352)Other comprehensive income, net — — — — — — — 3,587 3,587 3 3,590Share-based compensation expense — — — — 358 — — — 358 — 358Restricted Stock Units 1 — — (4) — — — (4) — (4)Contributions from noncontrolling stockholders — — — — — — — — — 30 30At September 30, 2020 20,069$ 231 1,680$ 17$ 149,620$ (27,159)$ (40,407)$ 4,004$ 86,306$ 3,901$ 90,207‎