Commitments and Contingencies (Tables) |
12 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||
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Dec. 31, 2017 | |||||||||||||||||||||||||||||||||||||||||||||||||||
| Commitments and Contingencies Disclosure [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||
| Schedule of Future Minimum Rental Payments for Operating Leases | Future minimum lease payments under operating leases were as follows:
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| Schedule of Future Minimum Lease Payments for Capital Leases | Future minimum lease payments under capital leases were as follows:
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| Contractual Commitments | Contractual commitments were as follows:
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