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Share Based Compensation
3 Months Ended
Mar. 31, 2015
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Share-Based Compensation
Share Based Compensation
The following table provides a summary of option activity:
For the three months ended March 31, 2015
Shares
 
Weighted Average Grant Date Fair Value per Share
 
Weighted Average Exercise Price
 
(Shares in Thousands)
Options outstanding at December 31, 2014
3,630

 
$
4.16

 
$
10.66

Options granted
755

 
3.06

 
8.50

Options forfeited
(12
)
 
4.34

 
11.07

Options outstanding at March 31, 2015
4,373

 
$
3.97

 
$
10.29

For the three months ended March 31, 2014
Shares
 
Weighted Average Grant Date Fair Value per Share
 
Weighted Average Exercise Price
 
(Shares in Thousands)
Options outstanding at December 31, 2013
3,063

 
$
3.98

 
$
10.31

Options granted
693

 
4.97

 
12.32

Options exercised
(2
)
 
3.84

 
10.00

Options forfeited
(28
)
 
4.15

 
10.71

Options outstanding at March 31, 2014
3,726

 
$
4.17

 
$
10.68


At March 31, 2015, there were no options exercised and 2.1 million options were fully vested and exercisable. The weighted average exercise price for the fully vested and exercisable options was $10.53. The remaining weighted average contractual life of options fully vested and exercisable as of March 31, 2015 was 7.5 years. The aggregate intrinsic value for fully vested and exercisable options was $0 as of March 31, 2015. The fair value of option grants to employees is determined based on a Black-Scholes simulation model at the date of grant.
The following table provides a summary of restricted stock unit (RSU) activity:
For the three months ended March 31, 2015
Shares
 
Weighted Average Grant Date Fair Value per Share
 
(Shares in Thousands)
Non-vested restricted stock units at December 31, 2014
1,209

 
$
8.90

Restricted stock units granted
677

 
7.57

Restricted stock units vested and exercised
(91
)
 
12.21

Restricted stock units forfeited
(15
)
 
10.82

Non-vested restricted stock units at March 31, 2015
1,780

 
$
8.21

For the three months ended March 31, 2014
Shares
 
Weighted Average Grant Date Fair Value per Share
 
(Shares in Thousands)
Non-vested restricted stock units at December 31, 2013
1,242

 
$
7.75

Restricted stock units granted
239

 
12.32

Restricted stock units vested and exercised
(19
)
 
11.31

Restricted stock units forfeited
(14
)
 
6.98

Non-vested restricted stock units at March 31, 2014
1,448

 
$
8.46


At March 31, 2015, the 1.8 million shares of non-vested RSUs consisted of 0.5 million shares that are subject to both a market and service condition and 1.3 million shares that are subject only to service conditions. The non-vested RSUs subject to both a market and service condition vest in one-half increments upon the achievement of certain market price goals and continued service. Non-vested RSUs subject only to a service condition vest over a service period ranging from 1 to 3 years. The fair value of RSUs subject to market and service conditions is determined based on a Monte Carlo simulation model at the date of grant. The fair value of RSUs subject only to service conditions are valued at our stock price on the date of grant less the present value of anticipated dividends, which is $0.