Consolidated Statements of Equity - USD ($) shares in Thousands, $ in Thousands |
Preferred Stock [Member]
Share-Based Payment Arrangement, Employee [Member]
|
Preferred Stock [Member]
Stock Repurchase Program [Member]
|
Preferred Stock [Member]
Employees [Member]
|
Preferred Stock [Member]
Genie Energy Charitable Foundation [Member]
|
Preferred Stock [Member] |
Common Stock [Member]
Common Class A [Member]
Share-Based Payment Arrangement, Employee [Member]
|
Common Stock [Member]
Common Class A [Member]
Stock Repurchase Program [Member]
|
Common Stock [Member]
Common Class A [Member]
Employees [Member]
|
Common Stock [Member]
Common Class A [Member]
Genie Energy Charitable Foundation [Member]
|
Common Stock [Member]
Common Class A [Member]
|
Common Stock [Member]
Common Class B [Member]
Share-Based Payment Arrangement, Employee [Member]
|
Common Stock [Member]
Common Class B [Member]
Stock Repurchase Program [Member]
|
Common Stock [Member]
Common Class B [Member]
Employees [Member]
|
Common Stock [Member]
Common Class B [Member]
Genie Energy Charitable Foundation [Member]
|
Common Stock [Member]
Common Class B [Member]
|
Additional Paid-in Capital [Member]
Share-Based Payment Arrangement, Employee [Member]
|
Additional Paid-in Capital [Member]
Stock Repurchase Program [Member]
|
Additional Paid-in Capital [Member]
Employees [Member]
|
Additional Paid-in Capital [Member]
Genie Energy Charitable Foundation [Member]
|
Additional Paid-in Capital [Member] |
Treasury Stock, Common [Member]
Share-Based Payment Arrangement, Employee [Member]
|
Treasury Stock, Common [Member]
Stock Repurchase Program [Member]
|
Treasury Stock, Common [Member]
Employees [Member]
|
Treasury Stock, Common [Member]
Genie Energy Charitable Foundation [Member]
|
Treasury Stock, Common [Member] |
AOCI Attributable to Parent [Member]
Share-Based Payment Arrangement, Employee [Member]
|
AOCI Attributable to Parent [Member]
Stock Repurchase Program [Member]
|
AOCI Attributable to Parent [Member]
Employees [Member]
|
AOCI Attributable to Parent [Member]
Genie Energy Charitable Foundation [Member]
|
AOCI Attributable to Parent [Member] |
Retained Earnings [Member]
Share-Based Payment Arrangement, Employee [Member]
|
Retained Earnings [Member]
Stock Repurchase Program [Member]
|
Retained Earnings [Member]
Employees [Member]
|
Retained Earnings [Member]
Genie Energy Charitable Foundation [Member]
|
Retained Earnings [Member] |
Noncontrolling Interest Before Receivable For Issuance Of Capital Stock [Member]
Share-Based Payment Arrangement, Employee [Member]
|
Noncontrolling Interest Before Receivable For Issuance Of Capital Stock [Member]
Stock Repurchase Program [Member]
|
Noncontrolling Interest Before Receivable For Issuance Of Capital Stock [Member]
Employees [Member]
|
Noncontrolling Interest Before Receivable For Issuance Of Capital Stock [Member]
Genie Energy Charitable Foundation [Member]
|
Noncontrolling Interest Before Receivable For Issuance Of Capital Stock [Member] |
Noncontrolling Interest, Receivables from Issuance of Equity [Member]
Share-Based Payment Arrangement, Employee [Member]
|
Noncontrolling Interest, Receivables from Issuance of Equity [Member]
Stock Repurchase Program [Member]
|
Noncontrolling Interest, Receivables from Issuance of Equity [Member]
Genie Energy Charitable Foundation [Member]
|
Noncontrolling Interest, Receivables from Issuance of Equity [Member] |
Common Class B [Member] |
Share-Based Payment Arrangement, Employee [Member] |
Stock Repurchase Program [Member] |
Employees [Member] |
Genie Energy Charitable Foundation [Member] |
Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| BALANCE (in shares) at Dec. 31, 2022 | 983 | 1,574 | 27,126 | |||||||||||||||||||||||||||||||||||||||||||||||
| BALANCE at Dec. 31, 2022 | $ 8,359 | $ 16 | $ 271 | $ 146,546 | $ (19,010) | $ 1,926 | $ 49,010 | $ (13,474) | $ 173,644 | |||||||||||||||||||||||||||||||||||||||||
| Dividends on preferred stock | 0 | 0 | 0 | 0 | 0 | 0 | (333) | 0 | (333) | |||||||||||||||||||||||||||||||||||||||||
| Dividends on common stock | $ 0 | $ 0 | $ 0 | 0 | 0 | 0 | (8,019) | 0 | (8,019) | |||||||||||||||||||||||||||||||||||||||||
| Exercise of Class B common stock warrants (in shares) | 0 | 0 | 1,048 | |||||||||||||||||||||||||||||||||||||||||||||||
| Exercise of Class B common stock warrants | $ 0 | $ 0 | $ 11 | 4,990 | 0 | 0 | 0 | 0 | 5,001 | |||||||||||||||||||||||||||||||||||||||||
| Stock-based compensation (in shares) | 0 | 0 | 334 | |||||||||||||||||||||||||||||||||||||||||||||||
| Stock-based compensation | $ 0 | $ 0 | $ 3 | 2,829 | 0 | 0 | 0 | 0 | 2,832 | |||||||||||||||||||||||||||||||||||||||||
| Repurchase of Class B common stock | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ (37) | $ (1,571) | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ (37) | $ (1,571) | ||||||||||||||||||||||||||||||||
| Redemption of preferred stock (in shares) | (983) | 0 | 0 | |||||||||||||||||||||||||||||||||||||||||||||||
| Redemption of preferred stock | $ (8,359) | $ 0 | $ 0 | 0 | 0 | 0 | 0 | 0 | (8,359) | |||||||||||||||||||||||||||||||||||||||||
| Charitable contribution of treasury stock | $ 0 | $ 0 | $ 0 | 624 | 382 | 0 | 0 | 0 | 1,006 | |||||||||||||||||||||||||||||||||||||||||
| Exercise of stock options (in shares) | 0 | 0 | 257 | |||||||||||||||||||||||||||||||||||||||||||||||
| Exercise of stock options | $ 0 | $ 0 | $ 3 | 1,112 | (2,425) | 0 | 0 | 0 | ||||||||||||||||||||||||||||||||||||||||||
| Exercise of stock options | (1,310) | |||||||||||||||||||||||||||||||||||||||||||||||||
| Other comprehensive loss | 0 | 0 | 0 | 0 | 0 | 1,373 | 0 | 3 | 1,376 | |||||||||||||||||||||||||||||||||||||||||
| Net income for the year ended December 31, 2023 (As Restated) | 0 | 0 | 0 | 0 | 0 | 0 | 52,243 | 740 | 52,983 | |||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | $ 0 | $ 0 | $ 0 | 0 | 0 | 0 | 52,243 | 740 | 52,983 | |||||||||||||||||||||||||||||||||||||||||
| BALANCE (in shares) at Dec. 31, 2023 | 0 | 1,574 | 28,765 | |||||||||||||||||||||||||||||||||||||||||||||||
| BALANCE at Dec. 31, 2023 | $ 0 | $ 16 | $ 288 | 156,101 | (22,661) | 3,299 | 92,901 | (12,731) | $ 0 | 217,213 | ||||||||||||||||||||||||||||||||||||||||
| BALANCE (in shares) at Dec. 31, 2023 | 0 | 1,574 | 28,765 | |||||||||||||||||||||||||||||||||||||||||||||||
| BALANCE at Dec. 31, 2023 | $ 0 | $ 16 | $ 288 | 156,101 | (22,661) | 3,299 | 92,901 | (12,731) | 0 | 217,213 | ||||||||||||||||||||||||||||||||||||||||
| BALANCE (in shares) at Dec. 31, 2023 | 0 | 1,574 | 28,765 | |||||||||||||||||||||||||||||||||||||||||||||||
| BALANCE at Dec. 31, 2023 | $ 0 | $ 16 | $ 288 | 156,101 | (22,661) | 3,299 | 92,901 | (12,731) | 0 | 217,213 | ||||||||||||||||||||||||||||||||||||||||
| BALANCE (in shares) at Dec. 31, 2023 | 0 | 1,574 | 28,765 | |||||||||||||||||||||||||||||||||||||||||||||||
| BALANCE at Dec. 31, 2023 | $ 0 | $ 16 | $ 288 | 156,101 | (22,661) | 3,299 | 92,901 | (12,731) | 0 | 217,213 | ||||||||||||||||||||||||||||||||||||||||
| Dividends on common stock | $ 0 | $ 0 | $ 0 | 0 | 0 | (8,210) | 0 | (8,210) | ||||||||||||||||||||||||||||||||||||||||||
| Stock-based compensation (in shares) | 0 | 0 | 419 | |||||||||||||||||||||||||||||||||||||||||||||||
| Stock-based compensation | $ 0 | $ 0 | $ 4 | 2,392 | 0 | 0 | 0 | 2,396 | ||||||||||||||||||||||||||||||||||||||||||
| Repurchase of Class B common stock | $ 0 | 0 | $ 0 | $ 0 | 0 | $ 0 | $ 0 | 0 | $ 0 | $ 0 | 0 | $ 0 | $ (2,168) | (10,443) | $ (768) | $ 0 | $ 0 | $ 0 | 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ (37,700) | $ (2,168) | (10,443) | $ (768) | |||||||||||||||||||||
| Exercise of stock options (in shares) | 0 | 0 | 126 | |||||||||||||||||||||||||||||||||||||||||||||||
| Exercise of stock options | $ 0 | $ 0 | $ 1 | 1,015 | (1,446) | 0 | 0 | 0 | 0 | |||||||||||||||||||||||||||||||||||||||||
| Exercise of stock options | (430) | |||||||||||||||||||||||||||||||||||||||||||||||||
| Other comprehensive loss | 0 | 0 | 0 | 0 | 0 | 632 | 0 | 657 | 0 | 1,289 | ||||||||||||||||||||||||||||||||||||||||
| Net income for the year ended December 31, 2023 (As Restated) | 0 | 0 | 0 | 0 | 0 | 0 | 35,509 | (293) | 0 | 35,216 | ||||||||||||||||||||||||||||||||||||||||
| Purchase of equity of subsidiary | 0 | 0 | 0 | (316) | 0 | 0 | 0 | (884) | 0 | (1,200) | ||||||||||||||||||||||||||||||||||||||||
| Deconsolidation of a subsidiary | 0 | 0 | 0 | 0 | 0 | (12) | 0 | 0 | 0 | (12) | ||||||||||||||||||||||||||||||||||||||||
| Consolidation of subsidiary | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1,286 | 0 | 1,286 | ||||||||||||||||||||||||||||||||||||||||
| Noncontrolling investment to a subsidiary by Howard Jonas | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1,791 | (783) | 1,008 | ||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | 0 | 0 | 0 | 0 | 0 | 0 | 35,509 | (293) | 0 | 35,216 | ||||||||||||||||||||||||||||||||||||||||
| Dilution of noncontrolling interest in a subsidiary | $ 0 | $ 0 | $ 0 | 0 | 0 | (12) | 0 | 0 | 0 | (12) | ||||||||||||||||||||||||||||||||||||||||
| BALANCE (in shares) at Dec. 31, 2024 | 0 | 1,574 | 29,310 | |||||||||||||||||||||||||||||||||||||||||||||||
| BALANCE at Dec. 31, 2024 | $ 0 | $ 16 | $ 293 | 159,192 | (37,486) | 3,919 | 120,200 | (10,174) | (783) | 235,177 | ||||||||||||||||||||||||||||||||||||||||
| BALANCE (in shares) at Dec. 31, 2024 | 0 | 1,574 | 29,310 | |||||||||||||||||||||||||||||||||||||||||||||||
| BALANCE at Dec. 31, 2024 | $ 0 | $ 16 | $ 293 | 159,192 | (37,486) | 3,919 | 120,200 | (10,174) | (783) | 235,177 | ||||||||||||||||||||||||||||||||||||||||
| BALANCE (in shares) at Dec. 31, 2024 | 0 | 1,574 | 29,310 | |||||||||||||||||||||||||||||||||||||||||||||||
| BALANCE at Dec. 31, 2024 | $ 0 | $ 16 | $ 293 | 159,192 | (37,486) | 3,919 | 120,200 | (10,174) | (783) | 235,177 | ||||||||||||||||||||||||||||||||||||||||
| BALANCE (in shares) at Dec. 31, 2024 | 0 | 1,574 | 29,310 | |||||||||||||||||||||||||||||||||||||||||||||||
| BALANCE at Dec. 31, 2024 | $ 0 | $ 16 | $ 293 | 159,192 | (37,486) | 3,919 | 120,200 | (10,174) | (783) | 235,177 | ||||||||||||||||||||||||||||||||||||||||
| BALANCE (in shares) at Dec. 31, 2024 | 0 | 1,574 | 29,310 | |||||||||||||||||||||||||||||||||||||||||||||||
| BALANCE at Dec. 31, 2024 | $ 0 | $ 16 | $ 293 | 159,192 | (37,486) | 3,919 | 120,200 | (10,174) | (783) | 235,177 | ||||||||||||||||||||||||||||||||||||||||
| Dividends on common stock | $ 0 | $ 0 | $ 0 | 0 | 0 | (8,023) | 0 | (8,023) | ||||||||||||||||||||||||||||||||||||||||||
| Stock-based compensation (in shares) | 0 | 0 | 26 | |||||||||||||||||||||||||||||||||||||||||||||||
| Stock-based compensation | $ 0 | $ 0 | $ 0 | 2,535 | 0 | 0 | 0 | 2,535 | ||||||||||||||||||||||||||||||||||||||||||
| Repurchase of Class B common stock | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ (2,125) | $ (8,663) | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ (48,300) | $ (2,125) | $ (8,663) | |||||||||||||||||||||||||||||||
| Other comprehensive loss | 0 | 0 | 0 | 0 | 0 | 1,002 | 0 | 778 | 0 | 1,780 | ||||||||||||||||||||||||||||||||||||||||
| Net income for the year ended December 31, 2023 (As Restated) | 0 | 0 | 0 | 0 | 0 | 0 | 24,006 | (291) | 0 | 23,715 | ||||||||||||||||||||||||||||||||||||||||
| Deconsolidation of a subsidiary | 0 | 0 | 0 | 0 | 0 | 0 | 0 | (361) | 361 | 0 | ||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | 0 | 0 | 0 | 0 | 0 | 0 | 24,006 | (291) | 0 | 23,715 | ||||||||||||||||||||||||||||||||||||||||
| Acquisition of noncontrolling interest of subsidiaries | $ 0 | $ 0 | $ 0 | (4,014) | 0 | 0 | 0 | 4,014 | 0 | 0 | ||||||||||||||||||||||||||||||||||||||||
| Restricted Class B common stock issued to a member of the Board of Directors (in shares) | 0 | 0 | 3 | |||||||||||||||||||||||||||||||||||||||||||||||
| Restricted Class B common stock issued to a member of the Board of Directors | $ 0 | $ 0 | $ 0 | 50 | 0 | 0 | 0 | 0 | 0 | 50 | ||||||||||||||||||||||||||||||||||||||||
| Dilution of noncontrolling interest in a subsidiary | $ 0 | $ 0 | $ 0 | 0 | 0 | 0 | 0 | (361) | 361 | 0 | ||||||||||||||||||||||||||||||||||||||||
| BALANCE (in shares) at Dec. 31, 2025 | 0 | 1,574 | 29,339 | |||||||||||||||||||||||||||||||||||||||||||||||
| BALANCE at Dec. 31, 2025 | $ 0 | $ 16 | $ 293 | 157,763 | (48,274) | 4,921 | 136,183 | (6,034) | (422) | 244,446 | ||||||||||||||||||||||||||||||||||||||||
| Net income for the year ended December 31, 2023 (As Restated) | 4,821 | |||||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | 4,821 | |||||||||||||||||||||||||||||||||||||||||||||||||
| BALANCE (in shares) at Dec. 31, 2025 | 0 | 1,574 | 29,339 | |||||||||||||||||||||||||||||||||||||||||||||||
| BALANCE at Dec. 31, 2025 | $ 0 | $ 16 | $ 293 | $ 157,763 | $ (48,274) | $ 4,921 | $ 136,183 | $ (6,034) | $ (422) | $ 244,446 |