Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation (SARs activity) (Details)

v2.4.0.6
Stock-Based Compensation (SARs activity) (Details) (USD $)
 12 Months Ended 18 Months Ended 36 Months Ended 39 Months Ended 46 Months Ended 48 Months Ended 55 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Jun. 30, 2014
Dec. 20, 2014
Mar. 22, 2015
Oct. 29, 2015
Jan. 04, 2016
Aug. 09, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Stock or Unit Option Plan Expense $ 349,000 $ 238,000            
Restricted Stock or Unit Expense 1,327,000 1,587,000            
Share-based Compensation 1,791,000 1,936,000            
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]                
Oustanding, Shares at beginning of the period 738,923   880,601 738,923 738,923 738,923 738,923 738,923
Granted, Shares 339,571              
Exercised, Shares (38,169)              
Forfeited or expired, shares (159,724)              
Oustanding, Shares at end of the period 880,601 738,923            
Outstanding, Average Grant Price $ 6.37 $ 7.06            
Granted, Average Grant Price $ 6.56              
Exercised, Average Grant Price $ 5.44 $ 5.03            
Forfeited or expired, Average Grant Price $ 10.20              
Outstanding, Remaining Contractual Period       2 years 11 months 20 days   2 years 10 months 29 days    
Granted, Remaining Contractual Period               3 years 8 months 9 days
Outstanding, Aggregate Intrinsic Value 1,700,000 896,000            
Granted, Aggregate Intrinsic Value 353,000              
Exercisable, Shares 235,337              
Exercisable, Average Grant Price $ 8.87              
Exercised, Remaining Contractual Period         1 year 6 months 26 days      
Exercisable, Aggregate Intrinsic Value 311,000              
Vested and expected to vest, Shares 859,818              
Vested and expected to vest, Average Grant Price $ 6.37              
Vested and expected to vest, Remaining Contractual Period     1 year 6 months       2 years 10 months 17 days  
Vested and expected to vest, Aggregate Intrinsic Value 1,678,000              
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward]                
Nonvested at beginning of the year, Shares 606,138   553,097 606,138 606,138 606,138 606,138 606,138
Vested, Shares (38,169)              
Nonvested at end of the year, Shares 553,097 606,138            
Nonvested, Weighted-Average Grant Date Fair Value $ 7.60 $ 7.04            
Granted, Weighted-Average Grant Date Fair Value $ 7.07              
Vested, Weighted-Average Grant Date Fair Value $ 5.53 $ 5.21            
Forfeited, Weighted-Average Grant Date Fair Value $ 7.39              
Aggregate fair value of SARs vested 800,000 800,000            
Performance Shares [Member]
                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Stock or Unit Option Plan Expense 115,000 111,000            
Stock Appreciation Rights (SARs) [Member]
                
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]                
Exercised, Shares (87,686)              
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward]                
Nonvested at beginning of the year, Shares 463,066     463,066 463,066 463,066 463,066 463,066
Granted, Shares 339,571              
Vested, Shares (87,686)              
Forfeited, Shares (37,040)              
Nonvested at end of the year, Shares 677,911 463,066            
Nonvested, Weighted-Average Grant Date Fair Value $ 1.89 $ 1.35            
Granted, Weighted-Average Grant Date Fair Value $ 2.71              
Vested, Weighted-Average Grant Date Fair Value $ 2.04 $ 2.12            
Forfeited, Weighted-Average Grant Date Fair Value $ 2.27              
Aggregate fair value of SARs vested $ 200,000 $ 300,000