Quarterly report pursuant to Section 13 or 15(d)

Share-Based Compensation and Cash-Based Incentive Compensation - Outstanding Restricted Shares Issued to Non-employee Directors (Details)

v3.3.0.814
Share-Based Compensation and Cash-Based Incentive Compensation - Outstanding Restricted Shares Issued to Non-employee Directors (Details) - Restricted Shares
Mar. 31, 2015
shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Awards expected to vest by period 43,210
2015  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Awards expected to vest by period 21,520
2016  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Awards expected to vest by period 15,420
2017  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Awards expected to vest by period 6,270