Share-Based Compensation	9 Months Ended
Share-Based Compensation	Sep. 30, 2017
Share-Based Compensation [Abstract]
Share-Based Compensation	(7) Share-Based Compensation Compensation expense for share-based compensation arrangements, which is recognized in the condensed consolidated statements of operations as a component of SG&A expenses, was $1,648 and $1,699 for the three months ended September 30, 2017 and 2016, respectively. For the nine months ended September 30, 2017 total share-based compensation was $5,713 compared to $4,587 for the nine months ended September 30, 2016. The nine months ended September 30, 2017 included expenses related to higher attainment of performance based awards and accelerated expense associated with the retirement of eligible employees. The nine months ended September 30, 2016 included expenses related to modification of the retirement notice provisions of certain awards.

The entire disclosure for compensation-related costs for equity-based compensation, which may include disclosure of policies, compensation plan details, allocation of equity compensation, incentive distributions, equity-based arrangements to obtain goods and services, deferred compensation arrangements, employee stock ownership plan details and employee stock purchase plan details.