Nature of Operations (Details Textual) (USD $)	0 Months Ended	1 Months Ended	12 Months Ended
May 14, 1980	Feb. 29, 1980	Dec. 31, 2012
Distribution Made To Stock Holders, Share Distribution, Dilution Per Share (in dollars per share)	$ 2.30	$ 0.90
Limited Liability Company or Limited Partnership, Business, Formation Date			May 15, 1980

Per-share cash distributions paid to shareholders from the sale of all of broadcasting assets and substantially all of the land held for development and sale at one of the two land development locations held by the corporation before formation of Limited Partnership.

No definition available.

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Period Type:	duration