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Significant Accounting Policies (Narrative) (Details) - EUR (€) € in Thousands | 6 Months Ended |
--- | --- | ---
Jun. 30, 2019 | Dec. 31, 2018
Statement Line Items [Line Items] |  |
Right-of-use assets | € 4,134 |
Lease liabilities | 4,167 |
Additional depreciation expenses | 144 |
Additional financing expenses | € 110 |
Useful life or contractual lease period for Lands of PV sites | 20-25 years |
Bottom of range [Member] |  |
Statement Line Items [Line Items] |  |
Discount rates used for measuring the lease liability | 2.56% |
Top of range [member] |  |
Statement Line Items [Line Items] |  |
Discount rates used for measuring the lease liability | 4.57% |
Weighted average [Member] |  |
Statement Line Items [Line Items] |  |
Discount rates used for measuring the lease liability | 3.40% |

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- Definition The amount of assets that represent a lessee's right to use an underlying asset for the lease term. Underlying asset is an asset that is the subject of a lease, for which the right to use that asset has been provided by a lessor to a lessee. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2019-01-01 -Paragraph 53 -Subparagraph j -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2019-en-r&anchor=para_53_j&doctype=Standard -URIDate 2019-03-27 + Details
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