Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2014

Employee Benefits and Share-based Compensation [Abstract]

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions

The more significant assumptions underlying the determination of fair value for options granted were as follows:

	2010 Options			2009 Options			2008 Options
Weighted-average fair value of options granted	$	1.94		$	2.19		$	1.24
Weighted-average risk-free interest rate	2.54		%	3.29		%	1.33		%
Weighted-average expected option lives (in years)	6.50			6.70			3.60
Weighted-average expected volatility	49.00		%	59.08		%	59.94		%
Weighted-average expected dividend yield	7.40		%	6.26		%	14.40		%

Schedule of Share-based Compensation, Stock Options, Activity

Share option activity during the years indicated is as follows:

	Number of Shares		Weighted-Average Exercise Price Per Share
Balance at December 31, 2011	3,888,281		$	6.36
Exercised	(408,201	)	5.73
Balance at December 31, 2012	3,480,080		6.44
Exercised	(1,519,179	)	5.77
Forfeited	(5,200	)	7.47
Balance at December 31, 2013	1,955,701		6.95
Exercised	(594,791	)	6.71
Forfeited	(10,500	)	7.46
Balance at December 31, 2014	1,350,410		$	7.05

Schedule of Nonvested Share Activity

Non-vested share activity for the years ended December 31, 2014 and 2013, is as follows:

	Number of Shares		Weighted-Average Value Per Share
Balance at December 31, 2012	1,465,446		$	8.64
Granted	1,829,400		10.52
Vested	(770,229	)	7.14
Forfeited	(3,571	)	9.21
Balance at December 31, 2013	2,521,046		10.46
Vested	(537,003	)	9.16
Forfeited	(13,658	)	9.96
Balance at December 31, 2014	1,970,385		$	10.82