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Business Segments (Results Of Operations For Each Of Our Principal Business Segments) (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2014 | Sep. 30, 2013 | Sep. 30, 2014 segment | Sep. 30, 2013
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |
Revenue | $ 65,031 | $ 65,472 | $ 193,006 | $ 194,681
Operating expense | 50,581 | 51,458 | 149,539 | 153,987
Depreciation and amortization | 3,729 | 3,491 | 11,217 | 10,910
General and administrative expense | 1,239 | 1,076 | 3,773 | 2,982
Segment operating income | 9,482 | 9,447 | 28,477 | 26,802
Number of reportable business segments |  |  | 2 |
Intersegment Eliminations [Member] |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |
Revenue | (1,951) | (1,913) | (5,615) | (5,740)
Operating expense | (1,951) | (1,913) | (5,615) | (5,740)
Cinema [Member] |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |
Revenue | 60,947 | 61,228 | 180,225 | 180,657
Operating expense | 50,243 | 50,655 | 147,631 | 151,612
Depreciation and amortization | 2,765 | 2,540 | 8,378 | 7,824
General and administrative expense | 803 | 891 | 2,903 | 2,463
Segment operating income | 7,136 | 7,142 | 21,313 | 18,758
Real Estate [Member] |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |
Revenue | 6,035 | 6,157 | 18,396 | 19,764
Operating expense | 2,289 | 2,716 | 7,523 | 8,115
Depreciation and amortization | 964 | 951 | 2,839 | 3,086
General and administrative expense | 436 | 185 | 870 | 519
Segment operating income | $ 2,346 | $ 2,305 | $ 7,164 | $ 8,044

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