Business Segments (Results Of Operations For Each Of Our Principal Business Segments) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015 segment	Mar. 31, 2014
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	$ 60,585	$ 58,053
Operating expense	47,281	46,765
Depreciation and amortization	3,672	3,714
General and administrative expense	1,002	1,071
Segment operating income	8,630	6,503
Number of reportable business segments	2
Intersegment Eliminations [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	(1,718)	(1,950)
Operating expense	(1,718)	(1,950)
Cinema [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	56,899	53,424
Operating expense	46,859	45,740
Depreciation and amortization	2,827	2,796
General and administrative expense	874	898
Segment operating income	6,339	3,990
Real Estate [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	5,404	6,579
Operating expense	2,140	2,975
Depreciation and amortization	845	918
General and administrative expense	128	173
Segment operating income	$ 2,291	$ 2,513