Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2012

Stock-Based Compensation

Summary of the transactions pursuant to the stock option plans

	Number of Shares			Weighted Average Exercise Price		Weighted Average Remaining Contractual Term (in Years)		Aggregate Intrinsic Value
Outstanding at December 31, 2009		551,007		$	4.50
Granted		—			n/a
Exercised		(385,027	)	$	4.60
Forfeited		(9,534	)	$	17.03
Outstanding at December 31, 2010		156,446		$	5.01
Granted		—			n/a
Exercised		(68,322	)	$	3.17
Expired		—			n/a
Outstanding at December 31, 2011		88,124		$	6.44
Granted		—			n/a
Exercised		(81,023	)	$	6.49
Expired		—			n/a
Outstanding at December 31, 2012		7,101		$	5.75		1.4	$	115
Vested and Exercisable at December 31, 2012		7,101		$	5.75		1.4	$	115

Summary of the status of the restricted stock units and changes during the period

Nonvested Shares	Shares			Weighted Average Grant-Date Fair Value
Nonvested at January 1, 2011		755,000		$	18.26
Vested		(68,400	)
Forfeited		(17,600	)
Nonvested at December 31, 2011		669,000			18.27
Issued		222,425
Vested		(154,800	)
Forfeited		(13,200	)
Nonvested at December 31, 2012		723,425		$	19.78