CONDENSED CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY (USD $) In Thousands	Total	Class A Common Stock [Member]	Class B Common Stock [Member]	Additional paid-in Capital [Member]	Retained Earnings [Member]
Balance at Dec. 31, 2012	$ 102,060	$ 24	$ 100	$ 55,203	$ 46,733
Net income	895				895
Cash dividends	(1,549)				(1,549)
Balance at Mar. 31, 2013	$ 101,406	$ 24	$ 100	$ 55,203	$ 46,079