Pension Liability (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | |||
---|---|---|---|---|---|
Jun. 30, 2017 |
Jun. 30, 2016 |
Jun. 30, 2017 |
Jun. 30, 2016 |
Dec. 31, 2016 |
|
Defined Benefit Plan Disclosure [Line Items] | |||||
Defined Benefit Plan, Funded (Unfunded) Status of Plan | $ (19,781) | $ (19,781) | $ (18,836) | ||
Defined Benefit Plan, Interest Cost | 236 | $ 256 | 500 | $ 512 | |
Defined Benefit Plan, Expected Return (Loss) on Plan Assets | (126) | (132) | (266) | (264) | |
Pension Cost (Reversal of Cost) | 173 | $ 212 | 367 | $ 423 | |
Payments through April 30, 2024 [Member] | |||||
Defined Benefit Plan Disclosure [Line Items] | |||||
Defined Benefit Plan, Expected Future Employer Contributions, Next Fiscal Year | 800 | 800 | |||
Payments from May 1, 2024 through November 30, 2033 [Member] | |||||
Defined Benefit Plan Disclosure [Line Items] | |||||
Defined Benefit Plan, Expected Future Employer Contributions, Next Fiscal Year | $ 1,800 | $ 1,800 |