NET INCOME PER SHARE (Tables)

12 Months Ended

Dec. 31, 2012

NET INCOME PER SHARE

Schedule of computation of basic and diluted net income per share

	Year ended December 31, 2012
	Net Income (Numerator)			Weighted Average Common Shares Outstanding (Denominator)		Per Share Amount
	(in thousands, except per share data)
Net income	$	22,427
Less: amounts allocated to nonvested shares		(268	)
Basic net income available to common stockholders		22,159			35,497	$	0.62
Effect of dilutive securities:
Stock options		—			876
Add-back: amounts allocated to nonvested shares		268			—
Less: amounts re-allocated to nonvested shares		(268	)		—
Diluted net income available to common stockholders	$	22,159			36,373	$	0.61

	Year ended December 31, 2011							Year ended December 31, 2010
	Net Income (Numerator)			Weighted Average Common Shares Outstanding (Denominator)		Per Share Amount		Net Income (Numerator)			Weighted Average Common Shares Outstanding (Denominator)		Per Share Amount
	(in thousands, except per share data)
Net income	$	12,080						$	13,929
Less: amounts allocated to nonvested shares(1)		(139	)						(87	)
Basic net income available to common stockholders		11,941			35,186	$	0.34		13,842			36,498	$	0.38
Effect of dilutive securities:
Stock options		—			1,320				—			1,092
Convertible debt		—			—				537			1,922
Add-back: amounts allocated to nonvested shares(1)		139			—				87			—
Less: amounts re-allocated to nonvested shares		(139	)		—				(86	)		—
Diluted net income available to common stockholders	$	11,941			36,506	$	0.33	$	14,380			39,512	$	0.36