Share-Based Compensation	6 Months Ended
Share-Based Compensation	Jun. 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 selling, general and administrative expenses, was $1,726 and $1,928 for the three months ended June 30, 2017 and 2016, respectively. For the six months ended June 30, 2017 total share-based compensation was $4,065 compared to $2,888 for the six months ended June 30, 2016. The three and six months ended June 30, 2016 included $545 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.