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Summary Of Significant Accounting Policies (Accounting Changes To Consolidated Statements Of Operations) (Details) - USD ($) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2016 | Sep. 30, 2016 | Jun. 30, 2016 | Mar. 31, 2016 | Dec. 31, 2015 | Sep. 30, 2015 | Jun. 30, 2015 | Mar. 31, 2015 | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Revenue | $ 67,451,000 | [1] | $ 71,315,000 | $ 66,918,000 | $ 64,789,000 | $ 66,691,000 | [1] | $ 57,788,000 | $ 72,802,000 | $ 60,584,000 | $ 270,473,000 |  | $ 257,865,000 | [2],[3] | $ 255,242,000 | [2],[3] |
Operating expense |  |  |  |  |  |  |  |  |  |  | (250,162,000) |  | (234,169,000) | [3] | (232,575,000) | [3] |
Operating income |  |  |  |  |  |  |  |  |  |  | 20,311,000 |  | 23,696,000 | [3] | 22,667,000 | [3] |
Interest expense (net), casualty loss and others |  |  |  |  |  |  |  |  |  |  | (7,873,000) |  | 3,279,000 |  | (7,329,000) |  |
Income before income taxes and equity earnings of unconsolidated joint ventures |  |  |  |  |  |  |  |  |  |  | 12,438,000 |  | 26,975,000 | [3],[4] | 15,338,000 | [3],[4] |
Equity earnings of unconsolidated joint ventures |  |  |  |  |  |  |  |  |  |  | 999,000 |  | 1,204,000 | [3] | 1,015,000 | [3] |
Income before income taxes |  |  |  |  |  |  |  |  |  |  | 13,437,000 |  | 28,179,000 | [3] | 16,353,000 | [3] |
Income tax benefit (expense) |  |  |  |  |  |  |  |  |  |  | (4,020,000) |  | (5,148,000) | [3],[4] | 8,925,000 | [3],[4] |
Net income | $ 354,000 | [1] | $ 3,917,000 | $ 2,922,000 | $ 2,224,000 | $ 3,595,000 | [1] | $ 328,000 | $ 16,006,000 | $ 3,102,000 | $ 9,417,000 | [3] | $ 23,031,000 | [3] | $ 25,278,000 | [3] |
Basic EPS | $ 0.01 | [1] | $ 0.17 | $ 0.13 | $ 0.09 | $ 0.14 | [1] | $ 0.02 | $ 0.69 | $ 0.14 | $ 0.40 |  | $ 0.99 | [3] | $ 1.08 | [3],[4] |
Diluted EPS | $ 0.02 | [1] | $ 0.16 | $ 0.13 | $ 0.09 | $ 0.14 | [1] | $ 0.02 | $ 0.68 | $ 0.14 | $ 0.40 |  | $ 0.98 | [3] | $ 1.07 | [3],[4] |
Without Breakage Revenue [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  |  |  | $ 269,855,000 |  |  |  |  |  |
Operating expense |  |  |  |  |  |  |  |  |  |  | (250,162,000) |  |  |  |  |  |
Operating income |  |  |  |  |  |  |  |  |  |  | 19,693,000 |  |  |  |  |  |
Interest expense (net), casualty loss and others |  |  |  |  |  |  |  |  |  |  | (7,873,000) |  |  |  |  |  |
Income before income taxes and equity earnings of unconsolidated joint ventures |  |  |  |  |  |  |  |  |  |  | 11,820,000 |  |  |  |  |  |
Equity earnings of unconsolidated joint ventures |  |  |  |  |  |  |  |  |  |  | 999,000 |  |  |  |  |  |
Income before income taxes |  |  |  |  |  |  |  |  |  |  | 12,819,000 |  |  |  |  |  |
Income tax benefit (expense) |  |  |  |  |  |  |  |  |  |  | (3,787,000) |  |  |  |  |  |
Net income |  |  |  |  |  |  |  |  |  |  | $ 9,032,000 |  |  |  |  |  |
Basic EPS |  |  |  |  |  |  |  |  |  |  | $ 0.39 |  |  |  |  |  |
Diluted EPS |  |  |  |  |  |  |  |  |  |  | $ 0.38 |  |  |  |  |  |
Previously Reported [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  |  |  |  |  | $ 257,323,000 |  | $ 254,748,000 |  |
Operating expense |  |  |  |  |  |  |  |  |  |  |  |  | (234,169,000) |  | (232,575,000) |  |
Operating income |  |  |  |  |  |  |  |  |  |  |  |  | 23,154,000 |  | 22,173,000 |  |
Interest expense (net), casualty loss and others |  |  |  |  |  |  |  |  |  |  |  |  | 3,279,000 |  | (7,329,000) |  |
Income before income taxes and equity earnings of unconsolidated joint ventures |  |  |  |  |  |  |  |  |  |  |  |  | 26,433,000 |  | 14,844,000 |  |
Equity earnings of unconsolidated joint ventures |  |  |  |  |  |  |  |  |  |  |  |  | 1,204,000 |  | 1,015,000 |  |
Income before income taxes |  |  |  |  |  |  |  |  |  |  |  |  | 27,637,000 |  | 15,859,000 |  |
Income tax benefit (expense) |  |  |  |  |  |  |  |  |  |  |  |  | (4,943,000) |  | 9,785,000 |  |
Net income |  |  |  |  |  |  |  |  |  |  |  |  | $ 22,694,000 |  | $ 25,644,000 |  |
Basic EPS |  |  |  |  |  |  |  |  |  |  |  |  | $ 0.98 |  | $ 1.09 |  |
Diluted EPS |  |  |  |  |  |  |  |  |  |  |  |  | $ 0.97 |  | $ 1.08 |  |
Adjustment [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  |  |  | $ 618,000 |  | $ 542,000 |  | $ 494,000 | [5] |
Operating income |  |  |  |  |  |  |  |  |  |  | 618,000 |  | 542,000 |  | 494,000 | [5] |
Income before income taxes and equity earnings of unconsolidated joint ventures |  |  |  |  |  |  |  |  |  |  | 618,000 |  | 542,000 |  | 494,000 | [5] |
Income before income taxes |  |  |  |  |  |  |  |  |  |  | 618,000 |  | 542,000 |  | 494,000 | [5] |
Income tax benefit (expense) | $ 611,000 |  |  |  |  | $ 514,000 |  |  |  |  | (233,000) |  | (205,000) |  | (860,000) | [5] |
Net income |  |  |  |  |  |  |  |  |  |  | $ 385,000 |  | $ 337,000 |  | $ (366,000) | [5] | $ 1,800,000
Basic EPS |  |  |  |  |  |  |  |  |  |  | $ 0.01 |  | $ 0.01 |  | $ (0.01) | [5] |
Diluted EPS |  |  |  |  |  |  |  |  |  |  | $ 0.02 |  | $ 0.01 |  | $ (0.01) | [5] |
[1] | Fourth Quarter Results included the impact as a result of a change in accounting principle (see Note 2 - Summary of Significant Accounting Policies - Accounting Changes).
[2] | Balances relating to Cinema segment included the restatement impact as a result of a change in accounting principle (see Note 2 - Summary of Significant Accounting Policies - Accounting Changes).
[3] | Certain 2015 and 2014 balances included the restatement impact as a result of a change in accounting principle (see Note 2 - Summary of Significant Accounting Policies - Accounting Changes).
[4] | 2015 and 2014 balances included the restatement impact as a result of a change in accounting principle (see Note 2 - Summary of Significant Accounting Policies - Accounting Changes).
[5] | The income tax effect of $860,000 in 2014 relates to the cumulative breakage revenue as of December 31, 2014. The tax effect of the portion that relates to years prior to 2014 was not recognized until 2014 due to full valuation allowance on our deferred tax assets in the U.S. as of December 31, 2013 and prior.

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