Annual report pursuant to Section 13 and 15(d)

STOCK COMPENSATION PLANS STOCK COMPENSATION PLANS (Share Based Compensation Arrangement by Share-based Payment Award) (Details)

v3.3.1.900
STOCK COMPENSATION PLANS STOCK COMPENSATION PLANS (Share Based Compensation Arrangement by Share-based Payment Award) (Details) - USD ($)
3 Months Ended 12 Months Ended
Feb. 09, 2015
Dec. 31, 2015
Dec. 31, 2014
Sep. 30, 2014
Jun. 30, 2014
Mar. 31, 2014
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price   490,902         490,902      
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price   $ 9.67         $ 9.67      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value   $ 0         $ 0      
Option Indexed to Issuer's Equity, Strike Price               $ 13.83    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number   4,442,048 1,845,552       4,442,048 1,845,552    
Number of performance shares granted             3,769,700      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period             (720,077)      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period             (453,127)      
Common Stock, Capital Shares Reserved for Future Issuance   12,008,934         12,008,934      
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term             7 years 10 months 25 days      
Fair Value             $ 6.78      
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Exercisable Options   83,334         83,334      
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Exercisable Options, Weighted Average Exercise Price   $ 13.83         $ 13.83      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value   $ 0         $ 0      
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Exercisable Options, Weighted Average Remaining Contractual Term             5 years 10 months 16 days      
Restricted Awards [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number   607,489 250,000       607,489 250,000 0 0
Number of performance shares granted             412,710 250,000 0  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period             0 0 0  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period             (55,221) 0 0  
Restricted Stock [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number   2,338,070 523,176       2,338,070 523,176 586,084 393,787
Number of performance shares granted             2,482,415 531,030 396,844  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period             (477,157) (423,822) (118,973)  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period             (190,364) (170,116) (85,574)  
Performance Shares [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number   1,496,489 1,072,376       1,496,489 1,072,376 1,040,453 772,484
Number of performance shares granted 410,105 464,470 400,000 199,450 106,120 230,265 874,575 1,233,685 806,271  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period             (242,920) (796,624) (289,054)  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period             (207,542) (405,138) (249,248)  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested or Expected to Vest, Outstanding, Number   3,934,901         3,934,901      
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Estimated Forfeitures   96,149 27,774 32,653 16,351 142,017 111,877      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Expected to Vest   368,321 372,226 166,797 89,769 88,248 298,228      
Directors Retainer and Voluntary Shares [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number   0 0       0 0 7,329 2,880
Number of performance shares granted             0 2,281 8,136  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period             0 (9,610) (2,166)  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period             0 0 (1,521)  
January 12, 2015 [Member] | Restricted Awards [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Grant Date Market Price             $ 7.70      
Average Expected Term (Years)             6 years 5 months 20 days      
Expected Volatility             75.30%      
Risk-Free Interest Rate             1.60%      
Dividend Yield             0.00%      
Fair Value             $ 5.23      
January 12, 2015 [Member] | Performance Shares [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Grant Date Market Price             $ 7.70      
Average Expected Term (Years)             2 years 11 months 20 days      
Expected Volatility             58.30%      
Risk-Free Interest Rate             0.91%      
Dividend Yield             0.00%      
Fair Value             $ 11.56      
Employee Plans [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Common Stock, Capital Shares Reserved for Future Issuance   11,917,635         11,917,635      
Directors Plan [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Common Stock, Capital Shares Reserved for Future Issuance   91,299         91,299      
Two Thousand Twelve Equity Plan and Amended Equity Plan [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Share Based Goods And Nonemployee Services Transaction Valuation Method Payout Rate                 23.00%  
Grants Associated with a Prior Period Payout Exceeding Target [Member] | Two Thousand Twelve Equity Plan and Amended Equity Plan [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Number of performance shares granted                 54,051