CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (USD $) In Thousands, except Share data, unless otherwise specified	Common Stock [Member]	Additional Paid-In Capital [Member]	Accumulated Other Comprehensive Income [Member]	Retained Earnings [Member]	Treasury Stock [Member]	Total	Comprehensive Income [Member]
Balance at Dec. 31, 2008	$ 280	$ 314,062	$ (1,989)	$ 33,641	$ (66,255)	$ 279,739	$ 12,231
Balance (in shares) at Dec. 31, 2008	27,850
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Conversion of Class B Common Stock to Class A Common Stock (in shares)	6
Conversion of Class B Common Stock to Class A Common Stock	0	0	0	0	0	0	0
Unrealized gains on available for sale securities, net of tax expense	0	0	63	0	0	63	63
Unrealized gains (losses) on derivative, net of tax expense	0	0	(86)	0	0	(86)	(86)
Reverse stock split	(2)	(5)	0	0	0	(7)	0
Unrealized gains (losses) on derivative, net of tax benefit	0	0	(86)	0	0	(86)	(86)
Compensation expense related to employee and Director SAR/Options	0	406	0	0	0	406	0
Purchases of Treasury stock	0	0	0	0	(6,989)	(6,989)	0
Net income (loss)	0	0	0	(155)	0	(155)	(155)
Comprehensive income	0	0	0	0	0	0	(178)
Balance at Dec. 31, 2009	278	314,463	(2,012)	33,486	(73,244)	272,971
Balance (in shares) at Dec. 31, 2009	27,856
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Conversion of Class B Common Stock to Class A Common Stock (in shares)	2
Conversion of Class B Common Stock to Class A Common Stock	0	0	0	0	0	0	0
Other-than-temporary impairment of investments, net of tax expense	0	0	1,247	0	0	1,247	1,247
Unrealized gains on available for sale securities, net of tax expense	0	0	500	0	0	500	500
Issuance of shares for employee stock options	0	31	0	0	0	31	0
Unrealized gains (losses) on derivative, net of tax expense	0	0	170	0	0	170	170
Unrealized gains (losses) on derivative, net of tax benefit	0	0	170	0	0	170	170
Compensation expense related to employee and Director SAR/Options	0	659	0	0	0	659	0
Purchases of Treasury stock	0	0	0	0	(2,803)	(2,803)	0
Net income (loss)	0	0	0	16,484	0	16,484	16,484
Comprehensive income	0	0	0	0	0	0	18,401
Balance at Dec. 31, 2010	278	315,153	(95)	49,970	(76,047)	289,259
Balance (in shares) at Dec. 31, 2010	27,858
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Conversion of Class B Common Stock to Class A Common Stock	1	(1)	0	0	0	0	0
Excess tax benefits on options exercised	0	60	0	0	0	60	0
Reclassification of net losses on swap derivatives to earnings net of tax expense	0	0	571	0	0	571	571
Unrealized gains on available for sale securities, net of tax expense	0	0	182	0	0	182	182
Reclassification of unrealized gains on sales of investments, net of tax expense	0	0	(502)	0	0	(502)	(502)
Issuance of shares for employee stock options	0	283	0	0	0	283	0
Compensation expense related to employee and Director SAR/Options	0	1,199	0	0	0	1,199	0
Purchases of Treasury stock	0	0	0	0	(798)	(798)	0
Net income (loss)	0	0	0	24,360	0	24,360	24,360
Comprehensive income	0	0	0	0	0	0	24,611
Dividends paid	0	0	0	(6,894)	0	(6,894)	0
Balance at Dec. 31, 2011	$ 279	$ 316,694	$ 156	$ 67,436	$ (76,845)	$ 307,720
Balance (in shares) at Dec. 31, 2011	27,858