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Stock Compensation (Details)
$ / shares in Units, $ in Thousands
 6 Months Ended
Jun. 30, 2017
USD ($)
$ / shares
shares
Number of Shares  
Outstanding, beginning of period (in shares) | shares 46,244
Granted (in shares) | shares 0
Exercised (in shares) | shares 0
Forfeited or expired (in shares) | shares (26,141)
Outstanding, June 30, 2017 (in shares) | shares 20,103
Exercisable, June 30, 2017 (in shares) | shares 18,784
Weighted average Exercise Price  
Outstanding, beginning of period (in dollars per share) | $ / shares $ 19.33
Granted (in dollars per share) | $ / shares 0
Exercised (in dollars per share) | $ / shares 0
Forfeited or expired (in dollars per share) | $ / shares 22.84
Outstanding, June 30, 2017 (in dollars per share) | $ / shares 14.77
Exercisable, June 30, 2017 (in dollars per share) | $ / shares $ 14.77
Weighted Average Contractual Term (in years)  
Outstanding, June 30, 2017 1 year 2 months 23 days
Exercisable, June 30, 2017 1 year 2 months 23 days
Aggregate Intrinsic Value  
Outstanding, June 30, 2017 | $ $ 124,252
Exercisable, June 30, 2017 | $ $ 116,100