XML 15 R5.htm IDEA: XBRL DOCUMENT
v3.23.3

CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) (Parenthetical) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
Stock-based compensation included in selling, general and administrative expenses | $ 649 | $ 713 | $ 2,254 | $ 2,232

X
- Definition Amount of expense for award under share-based payment arrangement. Exclude amount capitalized. + References No definition available. + Details
Name: | gne_AllocatedShareBasedCompensationExpenses
Namespace Prefix: | gne_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration