Consolidated Statement Of Stockholders' Equity (USD $) In Thousands, except Share data, unless otherwise specified	Total	Common Class A	Common Class B	Class A Treasury Stock	Class B Treasury Stock	Accumulated Deficit	Accumulated Other Comprehensive Income (Loss)
Beginning balance at Dec. 31, 2008	$ 117,107	$ 15,321	$ 452,289	$ (22,398)	$ (40,115)	$ (263,532)	$ (24,458)
Beginning balance, shares at Dec. 31, 2008		7,331,574	47,178,948	(1,578,554)	(4,654,750)
Net income (loss)	(23,047)					(23,047)
Gain on derivatives, net of income tax	11,143						11,143
Adjustment to pension liability, net of income tax	4,001						4,001
Preferred stock dividends (including accretion of original issuance costs)	(17,119)					(17,119)
Issuance of common stock:
401(k) plan, shares			350,554
401(k) plan	147		147
Share-based compensation	1,388		1,388
Ending balance at Dec. 31, 2009	93,620	15,321	453,824	(22,398)	(40,115)	(303,698)	(9,314)
Ending balance, shares at Dec. 31, 2009		7,331,574	47,529,502	(1,578,554)	(4,654,750)
Net income (loss)	23,163					23,163
Gain on derivatives, net of income tax	3,870						3,870
Adjustment to pension liability, net of income tax	(2,544)						(2,544)
Preferred stock dividends (including accretion of original issuance costs)	(14,582)					(14,582)
Issuance of common stock:
Exchange of preferred stock, shares			8,500,000
Exchange of preferred stock	25,518		25,518
401(k) plan, shares			13,815
401(k) plan	30		30
Share-based compensation	332		332
Ending balance at Dec. 31, 2010	129,407	15,321	479,704	(22,398)	(40,115)	(295,117)	(7,988)
Ending balance, shares at Dec. 31, 2010		7,331,574	56,043,317	(1,578,554)	(4,654,750)
Net income (loss)	9,035					9,035
Adjustment to pension liability, net of income tax	(8,414)						(8,414)
Preferred stock dividends (including accretion of original issuance costs)	(7,240)					(7,240)
Issuance of common stock:
401(k) plan, shares			13,753
401(k) plan	29		29
Share-based compensation	136		136
Ending balance at Dec. 31, 2011	$ 122,953	$ 15,321	$ 479,869	$ (22,398)	$ (40,115)	$ (293,322)	$ (16,402)
Ending balance, shares at Dec. 31, 2011		7,331,574	56,057,070	(1,578,554)	(4,654,750)