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, 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	28,556				27,269	1,287
Issuance of Stock:
Issuance of shares for options exercised including tax benefit	5,233		4,711	522
Issuance of shares for options exercised including tax benefit (in shares)			439,762
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	(631)		(631)
Shares received in lieu of tax withholding payment on vested restricted stock (in shares)			(45,266)
Tax benefit from vesting of restricted stock	184			184
Forfeiture of unvested restricted stock			(5)	5
Forfeiture of unvested restricted stock (in shares)			(469)
Stock-based compensation	3,041			3,041
Dividends	(7,835)			(1,862)	(5,973)
Share repurchase	(1,832)		(1,832)
Share repurchase (in shares)			(125,541)
BALANCE at Dec. 31, 2013	314,022	411	(37,468)	318,123	14,768	18,188
BALANCE (in shares) at Dec. 31, 2013		41,123,365	(3,488,438)
Increase (Decrease) in Stockholders' Equity
Net income	1,063				375	688
Issuance of Stock:
Issuance of shares for options exercised including tax benefit	528		469	59
Issuance of shares for options exercised including tax benefit (in shares)			43,564
Stock-based compensation	625			625
Dividends	(2,070)				(2,070)
Share repurchase	(416)		(416)
Share repurchase (in shares)	(100,000)		(25,000)
BALANCE at Mar. 31, 2014	$ 313,752	$ 411	$ (37,415)	$ 318,807	$ 13,073	$ 18,876
BALANCE (in shares) at Mar. 31, 2014		41,123,365	(3,469,874)