Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2012

Stock-Based Compensation

Summary of stock option activity under the A&R 2004 Plan

	December 31, 2012				December 31, 2011					December 31, 2010
	Options		Weighted average exercise price		Options			Weighted average exercise price		Options			Weighted average exercise price
Outstanding—beginning of year		37,240	$	4.21		356,623		$	4.21		819,185		$	4.21
Granted		—		—		—			—		—			—
Canceled		—		—		—			—		—			—
Exercised		—		—		(319,383	)		4.21		(462,562	)		4.21
Outstanding—end of year		37,240	$	4.21		37,240		$	4.21		356,623		$	4.21
Exercisable—end of year		37,240	$	4.21		37,240		$	4.21		309,113		$	4.21

Summary of restricted stock activity

	Shares			Weighted Average Grant Date Fair value		Weighted Average Remaining Contractual Term
Unvested at December 31, 2009		—			—		—
Granted		242,088		$	11.68		4.01 years
Vested		—			—		—
Cancelled and forfeited		—			—		—
Unvested at December 31, 2010		242,088			11.68		4.01 years
Granted		43,690			14.99		2.00 years
Vested		(50,111	)		11.77		—
Cancelled and forfeited		—			—		—
Unvested at December 31, 2011		235,667			12.27		2.83 years
Granted		42,077			14.57		2.00 years
Vested		(68,921	)		12.61		—
Cancelled and forfeited		—			—		—
Unvested at December 31, 2012		208,823		$	12.63		1.94 years
Expected to vest in the future at December 31, 2012		201,305		$	12.63		1.94 years

Summary of RSU activity

	Shares			Weighted Average Grant Date Fair value		Weighted Average Remaining Contractual Term
Unvested at December 31, 2010		—			—		—
Granted		20,612		$	15.21		—
Vested		(1,719	)		15.25		—
Cancelled and forfeited		—			—		—
Unvested at December 31, 2011		18,893			15.20		2.00 years
Granted		14,367			14.35		1.02 years
Vested		(7,214	)		15.21		—
Cancelled and forfeited		—			—		—
Unvested at December 31, 2012		26,046		$	14.73		0.72 years
Expected to vest in the future at December 31, 2012		26,046		$	14.73		0.72 years