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Equity Incentive Plan (Narrative) (Details) - USD ($)
$ in Thousands
1 Months Ended 6 Months Ended
May. 27, 2015
May. 31, 2015
Jun. 30, 2015
Jun. 30, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Restricted shares granted to directors and employees (shares)     419,000  
Stock options granted to directors and employees (shares)     1,090,000  
Allocated share-based compensation expense     $ 2,600 $ 510
Stock Options        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock options granted to directors and employees (shares)   1,090,000    
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period   5 years    
Share-based Compensation Arrangement by Share-based Payment Award, Period After Grant Date To Begin Vesting Period   1 year    
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period   10 years    
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term 6 years 6 months      
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate 1.67%      
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate 32.06%      
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate 1.90%      
Expected future stock-based compensation expense     $ 12,000  
Average period of expected future stock option expense     4 years 3 months 18 days  
Restricted Stock        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Restricted shares granted to directors and employees (shares)   419,000    
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period   5 years    
Share-based Compensation Arrangement by Share-based Payment Award, Period After Grant Date To Begin Vesting Period   1 year    
Expected future stock-based compensation expense     $ 16,300  
Average period of expected future stock option expense     4 years 3 months 18 days