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Share-Based Compensation Plan Narrative (Details)
3 Months Ended 6 Months Ended
Jun. 30, 2015
USD ($)
share_based_compensation_plan
shares
Jun. 30, 2015
USD ($)
share_based_compensation_plan
shares
Jun. 30, 2014
USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of plans | share_based_compensation_plan 1 1  
Share based compensation expense   $ 280,000 $ 213,000
2006 Equity Compensation Plan [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of shares authorized (in shares) | shares 430,000 430,000  
2006 Equity Compensation Plan [Member] | Restricted Stock [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Unrecognized compensation expense related to nonvested restricted stock awards $ 1,800,000 $ 1,800,000  
Restricted stock nonvested outstanding, Weighted average remaining contractual terms   3 years 5 months 4 days  
2006 Equity Compensation Plan [Member] | Employee Stock Option [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Unrecognized compensation expense related to nonvested restricted stock awards 0 $ 0  
Allocated Share-based Compensation Expense, Net of Tax $ 0 $ 0