Long-term Incentive Plan (Schedule of RSU activity) (Details)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2016
USD ($)
$ / shares
shares
RSU non-vested rollforward  
Number of RSUs, Outstanding, Beginning Balance 92,355
Number of RSUs Granted 202,955
Number of RSUs Vested and outstanding (155,511)
Number of RSUs Vested and issued (18,668)
Number of RSUs, Outstanding, Ending Balance 121,131
Vested RSUs redeemed for stock, cash, and related payments  
Issuance of Common Stock 11,196
RSUs Redeemed in Cash 7,472
Cash Payments at Closing Price of Stock | $ $ 44
Weighted-Average Price on Date of Grant  
Beginning balance - Weighted average price | $ / shares $ 7.13
Granted | $ / shares 5.47
Vested and outstanding | $ / shares 6.00
Vested and issued | $ / shares 8.10
Ending balance - Weighted average price | $ / shares $ 5.65