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)	22,621				21,673	948
Issuance of Stock:
Issuance of shares for options exercised including tax benefit	1,672		1,701	(29)
Issuance of shares for options exercised including tax benefit (in shares)			159,461
Issuance of restricted stock			1,301	(1,301)
Issuance of restricted stock (in shares)			122,375
Shares received in lieu of tax withholding payment on vested restricted stock	(614)		(614)
Shares received in lieu of tax withholding payment on vested restricted stock (in shares)			(44,384)
Tax benefit from vesting of restricted stock	172			172
Forfeiture of unvested restricted stock			(5)	5
Forfeiture of unvested restricted stock (in shares)			(469)
Stock-based compensation	2,665			2,665
Dividends	(5,777)			(1,862)	(3,915)
Share repurchase	(1,832)		(1,832)
Share repurchase (in shares)	(100,000)		(125,541)
BALANCE at Sep. 30, 2013	$ 306,213	$ 411	$ (40,461)	$ 317,184	$ 11,230	$ 17,849
BALANCE (in shares) at Sep. 30, 2013		41,123,365	(3,767,857)