CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY - USD ($) $ in Thousands	Total	Support Com	Common Class B	Preferred Stock	Common Stock	Common Stock Support Com	Common Stock Common Class B	Additional Paid - In Capital	Additional Paid - In Capital Support Com	Additional Paid - In Capital Common Class B	Total Members' Capital	Total Members' Capital Common Class B	Common Units	Common Units Common Class B	Preferred Units	Preferred Units Common Class B	Senior Priority Units	Senior Priority Units Common Class B	Cumulative Translation Adjustment	Accumulated Deficit
Stockholders' equity, beginning balance (in shares) at Dec. 31, 2020				0	0
Stockholders' equity, beginning balance at Dec. 31, 2020	$ 44,360			$ 0	$ 0			$ 0											$ 0	$ (24,916)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Contribution of Preferred Units, Senior Priority Units, and notes payable to related party for Greenidge class B common stock (Note 7) (in shares)							26,800,300									(39,228)		(10,000)
Contribution of Preferred Units, Senior Priority Units, and notes payable to related party for Greenidge class B common stock (Note 7)			$ 2,772				$ 3			$ 72,045		$ (69,276)				$ (39,074)		$ (30,202)
Contribution of GGH Common Units for Greenidge class B common stock (Note 7) (in shares)							1,199,700							(750)
Proceeds from sale of preferred stock, net of stock issuance costs/Shares issued to Support.com shareholders upon Merger, net of issuance costs (in shares)				1,620,000		2,960,731
Proceeds from sale of preferred stock, net of stock issuance costs/Shares issued to Support.com shareholders upon Merger, net of issuance costs	37,113	$ 91,588		$ 1				37,112	$ 91,588
Stock-based compensation expense	3,770							3,770
Proceeds from stock options exercised (in shares)					160,000
Proceeds from stock options exercised	1,000							1,000
Stock issued to purchase miners (in shares)					160,000
Stock issued to purchase miners	991							991
Issuance of shares for investor fee associated with successful completion of Merger (Note 7) (in shares)					562,174
Issuance of shares for investor fee associated with successful completion of Merger (Note 7)	17,826							17,826
Issuance of warrants to advisor in connection with completion of Merger (Note 7)	8,779							8,779
Conversion of preferred stock (Note 8) (in shares)				(1,620,000)	6,480,000
Conversion of preferred stock	0			$ (1)	$ 1
Shares issued upon exercise of warrants (in shares)					344,800
Shares issued upon exercise of warrants	2,155							2,155
Issuance of shares, net of issuance costs (in shares)					2,132,500
Issuance of shares, net of issuance costs	47,443							47,443
Restricted shares award issuance, net of withholdings (in shares)					65,131
Restricted shares award issuance, net of withholdings	(894)							(894)
Net loss	(44,480)																			(44,480)
Stockholders' equity ending balance (in shares) at Dec. 31, 2021				0	40,865,336
Stockholders equity, ending balance at Dec. 31, 2021	212,423			$ 0	$ 4			281,815											0	(69,396)
Members' capital, common units, beginning balance (in shares) at Dec. 31, 2020													750
Members' capital, beginning balance at Dec. 31, 2020											$ 69,276		$ 0		$ 39,074		$ 30,202
Members' capital, preferred units, beginning balance (in shares) at Dec. 31, 2020															39,228
Members' capital, senior priority units, beginning balance (in shares) at Dec. 31, 2020																	10,000
Increase (Decrease) In Limited Liability Company (LLC) Members' Equity [Roll Forward]
Contribution of GGH Preferred Units, GGH Senior Priority Units, and notes payable to related party for GGHI Common Stock (in shares)							26,800,300									(39,228)		(10,000)
Contribution of Preferred Units, Senior Priority Units, and notes payable to related party for Greenidge class B common stock (Note 7)			$ 2,772				$ 3			$ 72,045		$ (69,276)				$ (39,074)		$ (30,202)
Members' capital, common units, ending balance (in shares) at Dec. 31, 2021													0
Members' capital, ending balance at Dec. 31, 2021											0		$ 0		$ 0		$ 0
Members' capital, preferred units, ending balance (in shares) at Dec. 31, 2021															0
Members' capital, senior priority units, ending balance (in shares) at Dec. 31, 2021																	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation expense	2,636							2,636
Proceeds from stock options exercised (in shares)					2,296
Proceeds from stock options exercised	14							14
Stock issued to purchase miners	0
Issuance of shares for investor fee associated with successful completion of Merger (Note 7)	0
Issuance of warrants to advisor in connection with completion of Merger (Note 7)	0
Issuance of shares, net of issuance costs (in shares)					4,895,765
Issuance of shares, net of issuance costs	9,532				$ 1			9,531
Restricted shares award issuance, net of withholdings (in shares)					489,382
Restricted shares award issuance, net of withholdings	(227)							(227)
Foreign currency translation adjustment	(357)																		(357)
Net loss	(271,068)																			(271,068)
Stockholders' equity ending balance (in shares) at Dec. 31, 2022				0	46,252,779
Stockholders equity, ending balance at Dec. 31, 2022	$ (47,047)			$ 0	$ 5			$ 293,769											$ (357)	$ (340,464)
Members' capital, common units, ending balance (in shares) at Dec. 31, 2022													0
Members' capital, ending balance at Dec. 31, 2022											$ 0		$ 0		$ 0		$ 0
Members' capital, preferred units, ending balance (in shares) at Dec. 31, 2022															0
Members' capital, senior priority units, ending balance (in shares) at Dec. 31, 2022																	0