STOCK-BASED COMPENSATION (Tables)

12 Months Ended

Dec. 31, 2012

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Stock option activity

The following table summarizes the stock option activity during the year ended December 31, 2012 for all grants under the Equity Compensation Plan:

	Options	Weighted Average Exercise Price
Outstanding at January 1, 2012	1,079,223	$10.54
Granted	—	—
Exercised	(243,493)	7.10
Forfeited	—	—
Cancelled	(7,500)	7.88
Outstanding at December 31, 2012	828,230	11.58
Vested and expected to vest	828,230	11.58
Exercisable at December 31, 2012	828,230	11.58

Assumptions used in determining the fair value of stock options

The following table provides the assumptions used in determining the fair value of the stock options for the year ended December 31, 2010:

	2010
Dividend yield rate	—
Expected volatility	46.3%
Risk-free interest rates	0.2%
Expected life	0.3 years

Summary of stock options outstanding and exercisable by price range

A summary of stock options outstanding and exercisable by price range at December 31, 2012 is as follows (in thousands, except share and per share data):

	Outstanding and Exercisable
	Number of Options Outstanding at December 31,	Weighted Average Remaining Contractual	Weighted Average Exercise		Aggregate Intrinsic
Exercise Price	2012	Life (Years)	Price		Value (A)
$5.91-9.04	221,115	2.05	$	8.15	$	3,863
9.05-13.92	411,945	2.49	11.11		5,976
13.93-18.34	195,170	1.65	16.46		1,789
5.91–18.34	828,230	2.17	11.58		$	11,628

SAR activity

The following table summarizes the SARs activity during the year ended December 31, 2012 for all grants under the Equity Compensation Plan:

	SARs		Base Price
Outstanding at January 1, 2012	24,000		$	34.78
Granted	—		—
Vested	(24,000	)	34.78
Forfeited	—		—
Cancelled	—		—
Outstanding at December 31, 2012	—		—

Assumptions used in determining the fair value of stock appreciation rights

The following table provides the assumptions used in determining the fair value of the SARs at December 31, 2011:

Dividend yield rate	—
Expected volatility	23.4%
Risk-free interest rates	0.02%
Expected life	0.02 years

Restricted stock and units activity

 The following table summarizes the stock activity related to restricted stock awards and units and fully vested share based payment awards:

	Number of Shares		Weighted- Average Grant-Date Fair Value
Unvested, January 1, 2012	657,341		$	16.68
Granted	257,554		37.95
Vested	(290,566	)	19.78
Cancelled	(3,358	)	28.03
Unvested, December 31, 2012	620,971		24.00