Quarterly report pursuant to Section 13 or 15(d)

Capital Transactions - RSU Activity (Details)

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Capital Transactions - RSU Activity (Details) - 2012 Stock Incentive Plan - RSUs
6 Months Ended
Jun. 30, 2018
$ / shares
shares
Number of Shares  
Restricted Stock Units outstanding, beginning balance (in shares) | shares 728,000
Granted (in shares) | shares 237,000
Issued (in shares) | shares (29,000)
Forfeited (in shares) | shares (182,000)
Restricted Stock Units outstanding, ending balance (in shares) | shares 754,000
Weighted Average Grant Date Fair Value  
Restricted Stock Units outstanding, beginning balance (in dollars per share) | $ / shares $ 11.56
Granted (in dollars per share) | $ / shares 11.02
Issued (in dollars per share) | $ / shares 11.61
Forfeited (in dollars per share) | $ / shares 11.75
Restricted Stock Units outstanding, ending balance (in dollars per share) | $ / shares $ 11.34