Significant Accounting Policies (Details Textual) (USD $) In Thousands, unless otherwise specified	3 Months Ended				12 Months Ended
	Dec. 31, 2012	Sep. 30, 2012	Dec. 31, 2011	Jun. 30, 2011	Dec. 31, 2012 Segment	Dec. 31, 2011	Dec. 31, 2010
Significant Accounting Policies (Textual) [Abstract]
Building and building improvements under financing lease at cost	$ 814,750		$ 713,453		$ 814,750	$ 713,453
Accumulated depreciation	369,823		357,518		369,823	357,518
Significant Accounting Policies (Additional Textual) [Abstract]
Revenue recognized related to unredeemed gift cards and other advanced sale certificates					1,319	1,718	2,199
Credit and debit transaction, amount due from bank	5,082		2,155		5,082	2,155
Allowance for doubtful accounts	0		0	800	0	0
Goodwill	44,577		8,087		44,577	8,087
Impairment charges	900	800	2,100	1,200	4,348	3,489	7,699
Advertising expenses					1,927	2,023	3,860
Number of operating segment					1
Maximum [Member]
Significant Accounting Policies (Textual) [Abstract]
Non cancellable lease agreement, initial lease term					20 years
Film exhibition cost accrual period					60 days
Settlement completion period of film exhibition					4 weeks
Minimum [Member]
Significant Accounting Policies (Textual) [Abstract]
Non cancellable lease agreement, initial lease term					15 years
Film exhibition cost accrual period					30 days
Settlement completion period of film exhibition					3 weeks
Building and Building Improvements Under Finance Lease [Member]
Significant Accounting Policies (Textual) [Abstract]
Building and building improvements under financing lease at cost	149,620		83,974		149,620	83,974
Accumulated depreciation	$ 32,351		$ 28,940		$ 32,351	$ 28,940
Two Owned Theatre [Member]
Significant Accounting Policies (Textual) [Abstract]
Number of theatres					2