Condensed Consolidated Statements of Stockholders' Equity (Unaudited) (USD $) In Thousands, except Share data, unless otherwise specified	Common Class A [Member]	Common Class B [Member]	Retained Earnings [Member]	Class A Treasury Stock [Member]	Class B Treasury Stock [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Total
Balance at Dec. 31, 2011	$ 15,321	$ 479,869	$ (293,322)	$ (22,398)	$ (40,115)	$ (16,402)	$ 122,953
Balance (in Shares) at Dec. 31, 2011	7,331,574	56,057,070		(1,578,554)	(4,654,750)
Net income			30,238				30,238
Preferred stock dividends (includes accretion of issuance cost of $633)			(3,591)				(3,591)
Issuance of common stock:
401(k) plan		19					19
401(k) plan (in Shares)		10,895
2007 Long Term Incentive Plan (in Shares)		432,396
Stock-based compensation		324					324
Balance at Sep. 30, 2012	$ 15,321	$ 480,212	$ (266,675)	$ (22,398)	$ (40,115)	$ (16,402)	$ 149,943
Balance (in Shares) at Sep. 30, 2012	7,331,574	56,500,361		(1,578,554)	(4,654,750)