Share-Based Compensation and Employee Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2013

Share-Based Compensation and Employee Benefit Plans [Abstract]

Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block]

The following table reflects share-based compensation expense by type of award:

	Year Ended December 31,
	2011			2012			2013
Share-based compensation expense:
Stock options	$	404		$	282		$	570
Restricted stock units	4,398			3,719			3,536
Total share-based compensation	4,802			4,001			4,106
Tax effect on share-based compensation	1,902			1,551			1,500
Net effect on net income	$	2,900		$	2,450		$	2,606
Tax effect on:
Effect on earnings per share—basic	$	(0.09	)	$	(0.08	)	$	(0.08	)
Effect on earnings per share—diluted	$	(0.09	)	$	(0.07	)	$	(0.08	)

A summary of the Company’s restricted stock unit activity with respect to the years ended December 31, 2011, 2012 and 2013 follows:

	Number of Shares		Weighted Average Grant Date Fair Value
Nonvested at December 31, 2010	1,455		$	7.28
Granted	535		$	10.25
Vested	(436	)	$	8.46
Forfeited	(89	)	$	7.26
Nonvested at December 31, 2011	1,465		$	8.01
Granted	409		$	9.81
Vested	(457	)	$	8.53
Forfeited	(37	)	$	8.16
Nonvested at December 31, 2012	1,380		$	8.37
Granted	333		$	12.37
Vested	(470	)	$	7.74
Forfeited	(127	)	$	9.29
Nonvested at December 31, 2013	1,116		$	9.73

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

	Year Ended December 31,
	2011			2012			2013
Expected life (years)	0.0			5.0			0.0
Expected volatility	—		%	85.2		%	—		%
Expected dividend yield	—		%	—		%	—		%
Risk-free interest rate	—		%	0.8		%	—		%
Weighted average fair value per option	$	—		$	7.88		$	—

Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]

A summary of the Company’s stock option activity with respect to the years ended December 31, 2011, 2012 and 2013 follows:

	Shares		Weighted Average Exercise Price Per Share		Weighted Average Remaining Contractual Term (years)	Aggregate Intrinsic Value
Outstanding at December 31, 2010	1,950		$	19.14
Granted	—		—
Exercised	(7	)	10.27
Expired	(515	)	32.35
Forfeited	—		—
Outstanding at December 31, 2011	1,428		14.42
Granted	195		11.90
Exercised	(6	)	10.16
Expired	(130	)	14.00
Forfeited	—		—
Outstanding at December 31, 2012	1,487		14.15
Granted	—		—
Exercised	(96	)	8.10
Expired	(392	)	16.60
Forfeited	(29	)	7.88
Outstanding at December 31, 2013	970		$	13.94	3.8	$	1,602
Vested or expected to vest at December 31, 2013	953		$	13.98	3.7	$	1,599
Exercisable at December 31, 2013	768		$	14.81	2.6	$	1,310

Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block]

The options outstanding and exercisable at December 31, 2013 were in the following exercise price ranges:

	Options Outstanding				Options Exercisable
Range of Exercise Prices	Shares	Weighted Average Remaining Contractual Life (years)	Weighted Average Exercise Price		Shares	Weighted Average Exercise Price
$6.80 - $6.80	292	5.16	$	6.80	238	$	6.80
$7.86 - $13.59	257	7.17	$	11.65	109	$	11.15
$13.62 - $21.13	243	1.18	$	16.22	243	$	16.22
$22.09 - $29.85	178	0.09	$	25.89	178	$	25.89
$6.80 - $29.85	970	3.77	$	13.94	768	$	14.81