Fair Value of Financial Instruments (Details Textual) - 3 months ended Mar. 31, 2018 $ in Thousands, € in Millions |
USD ($) |
EUR (€) |
|---|---|---|
| Fair Value Disclosures [Abstract] | ||
| Purchase amount of forward foreign exchange currency contract | € | € 370 | |
| Unrealized forward contract losses | $ | $ (505) |
| X | ||||||||||
- Definition The amount of foreign currency that the entity has contractually agreed, or for which it has the option, to buy or sell with respect to the contract being described. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of open derivatives, commodity, or energy contracts, held at each balance sheet date, that was included in earnings for the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|