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Commitments and Contingent Liabilities (Narrative) (Details) | 12 Months Ended
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Dec. 31, 2017
Disclosure of finance lease and operating lease by lessee [line items] |
Lease Expire dates | September 2020
Bottom of range [Member] | PV Plants [Member] |
Disclosure of finance lease and operating lease by lessee [line items] |
Operating lease agreements (Years) | 20 Years
Lease Expire dates | 2031
Top of range [member] | PV Plants [Member] |
Disclosure of finance lease and operating lease by lessee [line items] |
Operating lease agreements (Years) | 25 Years
Lease Expire dates | 2036

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- Definition Lease Expire dates. + References No definition available. + Details
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- Definition Term of operating lease agreement. + References No definition available. + Details
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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + Details
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- Details
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- Details
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- Details
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