Defined Benefit Pension Plan (Details) $ in Thousands	1 Months Ended	3 Months Ended			9 Months Ended
	May 31, 2016 USD ($)	Sep. 30, 2016 USD ($) plan_participant	Sep. 30, 2015 USD ($)	Jun. 30, 2015 USD ($)	Sep. 30, 2016 USD ($) plan_participant	Sep. 30, 2015 USD ($)	May 06, 2016 USD ($)
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Current period charge				$ 5,300
Total benefit obligation							$ 19,600
Number of plan participants who have not reached age 65 | plan_participant		2			2
Net periodic benefit cost recorded related to the Company's pension plans
Service cost						$ 29
Interest cost						225
Amortization of net loss						(198)
Amortization of prior service cost						343
Total recognized in net periodic benefit cost		$ 0	$ 0		$ 0	$ 399
Chief Executive Officer [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Lump sum benefit obligation at termination of plan	$ 14,400
Accumulated Other Comprehensive Income (Loss) [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Current period charge				$ 2,500