CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (USD $) In Thousands, except Share data, unless otherwise specified	Total	Common Stock	Treasury Stock	Additional Paid-In Capital	Retained Earnings (Deficit)	Non-Controlling Interests
BALANCE at Dec. 31, 2011	$ 283,106	$ 411	$ (39,437)	$ 323,608	$ (19,991)	$ 18,515
BALANCE (in shares) at Dec. 31, 2011		41,123,365	(3,714,506)
Increase (Decrease) in Stockholders' Equity
Net income (loss)	11,849				13,463	(1,614)
Issuance of Stock:
Issuance of shares for options exercised including tax benefit	373		1,087	(714)
Issuance of shares for options exercised including tax benefit (in shares)			102,750
Issuance of restricted stock			742	(742)
Issuance of restricted stock (in shares)			70,000
Shares received in lieu of tax withholding payment on vested restricted stock	(544)		(544)
Shares received in lieu of tax withholding payment on vested restricted stock (in shares)			(51,507)
Tax benefit from vesting of restricted stock	56			56
Stock-based compensation	2,797			2,797
Dividends	(7,471)			(7,471)
Share repurchase	(2,860)		(2,860)
Share repurchase (in shares)			(286,036)
BALANCE at Dec. 31, 2012	287,306	411	(41,012)	317,534	(6,528)	16,901
BALANCE (in shares) at Dec. 31, 2012		41,123,365	(3,879,299)
Increase (Decrease) in Stockholders' Equity
Net income (loss)	2,695				2,532	163
Issuance of Stock:
Issuance of shares for options exercised including tax benefit	15		14	1
Issuance of shares for options exercised including tax benefit (in shares)			1,364
Stock-based compensation	767			767
Dividends	(1,862)			(1,862)
Share repurchase	(145)		(145)
Share repurchase (in shares)			(11,700)
BALANCE at Mar. 31, 2013	$ 288,776	$ 411	$ (41,143)	$ 316,440	$ (3,996)	$ 17,064
BALANCE (in shares) at Mar. 31, 2013		41,123,365	(3,889,635)