Condensed Consolidated Statement of Changes in Shareholders' Equity (USD $) In Thousands, except Share data, unless otherwise specified	Total	Common Stock	Additional Paid-In Capital	Retained Deficit	Treasury Stock	Common Class A [Member] Common Stock
Beginning Balance at Dec. 31, 2013	$ 568,924	$ 670	$ 548,935	$ 30,084	$ (10,765)
Beginning Balance, shares at Dec. 31, 2013	65,652,690	66,959,000			1,306,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock issued to Board advisors	6	0	6	0	0
Common stock issued to Board advisors, shares		4,000
Stock options expense related to equity based awards	475	0	475	0	0
Stock Issued During Period, Value, Stock Options Exercised						1
Liability based stock option awards forfeited or expired	15	0	(15)	0	0
Restricted stock issued		1	(1)	0	0
Restricted stock issued, shares		150,000
Restricted stock forfeited	0	0	0	0	0
Restricted stock forfeited, shares					8,000
Restricted stock and restricted stock units expense	(618)	0	(618)	0	0
Current period net loss	16,363	0	0	16,363	0
Ending Balance at Mar. 31, 2014	$ 586,401	$ 671	$ 550,048	$ 46,447	$ (10,765)
Ending Balance, shares at Mar. 31, 2014	55,837,912	67,114,000			1,314,000