Condensed Consolidated Statements of Shareholders' Equity (Unaudited) (USD $) In Thousands, except Share data	Total USD ($)	Additional paid-in capital USD ($)	Retained earnings USD ($)	Treasury Stock USD ($)	Class A	Class A Common Stock USD ($)	Class B	Class B Common Stock USD ($)
Beginning Balance at Dec. 31, 2011	$ 271,515	$ 263,562	$ 18,279	$ (10,765)		$ 429		$ 10
Beginning Balance, shares at Dec. 31, 2011				(1,179,000)	41,737,493	42,917,000	1,030,700	1,031,000
Issuance of Class A common stock	146,510	146,388				122
Issuance of Class A common stock, shares						12,209
Cost to issue equity	(11,268)	(11,268)
Conversion of Class B common stock to Class A common stock						10		(10)
Conversion of Class B common stock to Class A common stock, shares						1,031		(1,031,000)
Issuance of Class A common stock to Board advisors	61	61
Issuance of Class A common stock to Board advisors shares						6,000
Stock options expense	47	47
Stock options exercised	3,544	3,541				3
Stock options exercised, shares						295,000
Liability based stock option awards forfeited or expired	86	86
Restricted stock issued	2	(2)				2
Restricted stock issued shares						234,000
Restricted stock forfeited	(22)			(22)
Restricted stock forfeited shares				(10,000)
Restricted stock and restricted stock units expense	161	183
Swing sale profit contribution	24	24
Class B dividends declared	(28)		(28)
Current period net loss	(2,875)		(2,875)
Ending Balance at Jun. 30, 2012	$ 407,777	$ 402,622	$ 15,376	$ (10,787)		$ 566
Ending Balance, shares at Jun. 30, 2012				(1,189,000)	55,502,543	56,692,000	0