Condensed Consolidated Statements of Stockholders’ (Deficit) Equity (Unaudited) - USD ($) $ in Thousands	Note Warrant Preferred Stock Series A FOXO Technologies Operating Company	Note Warrant Common Stock Class A FOXO Technologies Operating Company	Note Warrant Common Stock Class A FOXO Technologies Inc.	Note Warrant Common Stock Class B FOXO Technologies Operating Company	Note Warrant Additional Paid-in Capital	Note Warrant Accumulated Deficit	Note Warrant	Employee Stock Preferred Stock Series A FOXO Technologies Operating Company	Employee Stock Common Stock Class A FOXO Technologies Operating Company	Employee Stock Common Stock Class A FOXO Technologies Inc.	Employee Stock Common Stock Class B FOXO Technologies Operating Company	Employee Stock Treasury Stock FOXO Technologies Inc.	Employee Stock Additional Paid-in Capital	Employee Stock Accumulated Deficit	Employee Stock	Private Placement Preferred Stock Series A FOXO Technologies Operating Company	Private Placement Common Stock Class A FOXO Technologies Operating Company	Private Placement Common Stock Class A FOXO Technologies Inc.	Private Placement Common Stock Class B FOXO Technologies Operating Company	Private Placement Treasury Stock FOXO Technologies Inc.	Private Placement Additional Paid-in Capital	Private Placement Accumulated Deficit	Private Placement	Preferred Stock Series A FOXO Technologies Operating Company	Common Stock Class A FOXO Technologies Operating Company	Common Stock Class A FOXO Technologies Inc.	Common Stock Class B FOXO Technologies Operating Company	Treasury Stock FOXO Technologies Inc.	Additional Paid-in Capital	Accumulated Deficit	Total
Balance beginning at Dec. 31, 2021																								$ 21,854					$ 4,902	$ (51,976)	$ (25,220)
Balance beginning (in Shares) at Dec. 31, 2021																								800,000	3,021		200,000
Net loss to common stockholders						$ (45,437)	$ (45,437)							$ (31,495)	$ 31,495																(76,932)
Lease contributions																													225		225
Equity-based compensation																										$ 1			329		330
Equity-based compensation (in Shares)																										917,500
Cantor Commitment Fee																													1,600		1,600
Cantor Commitment Fee (in Shares)																										19,048
Balance ending at Sep. 30, 2022																										$ 3			144,672	(128,908)	15,767
Balance ending (in Shares) at Sep. 30, 2022																										3,302,784
Equity-based compensation																													717		717
Warrant repurchase																													(507)		(507)
Issuance of shares for exercised stock options
Issuance of shares for exercised stock options (in Shares)																									1,495
Issuance of shares for consulting agreement																													211		211
Issuance of shares for consulting agreement (in Shares)																									150,000
Conversion of Series A Preferred Stock																								$ (21,854)					21,854
Conversion of Series A Preferred Stock (in Shares)																								(800,000)	800,000
Conversion of Bridge Loans																													88,975		88,975
Conversion of Bridge Loans (in Shares)																									1,517,273
Conversion of Class B Common Stock
Conversion of Class B Common Stock (in Shares)																									200,000		(200,000)
Conversion of existing Class A Common Stock																										$ 1					1
Conversion of existing Class A Common Stock (in Shares)																									(2,671,789)	1,551,871
Reverse recapitalization																										$ 1			19,677		19,678
Reverse recapitalization (in Shares)																										814,365
Balance beginning at Jun. 30, 2022																								$ 21,854					12,026	(87,882)	(54,002)
Balance beginning (in Shares) at Jun. 30, 2022																								800,000	154,516		200,000
Net loss to common stockholders						$ (9,531)	$ (9,531)							$ (31,495)	$ (31,495)																(41,026)
Net loss to common stockholders (in Shares)
Equity-based compensation																										$ 1			329		330
Equity-based compensation (in Shares)																										917,500
Cantor Commitment Fee																													1,600		1,600
Cantor Commitment Fee (in Shares)																										19,048
Balance ending at Sep. 30, 2022																										$ 3			144,672	(128,908)	15,767
Balance ending (in Shares) at Sep. 30, 2022																										3,302,784
Equity-based compensation																													211		211
Conversion of Series A Preferred Stock																								$ (21,854)					21,854
Conversion of Series A Preferred Stock (in Shares)																								(800,000)	800,000
Conversion of Bridge Loans																													88,975		88,975
Conversion of Bridge Loans (in Shares)																									1,517,273
Conversion of Class B Common Stock
Conversion of Class B Common Stock (in Shares)																									200,000		(200,000)
Conversion of existing Class A Common Stock																										$ 1					1
Conversion of existing Class A Common Stock (in Shares)																									(2,671,789)	1,551,871
Reverse recapitalization																										$ 1			19,677		19,678
Reverse recapitalization (in Shares)																										814,365
Balance beginning at Dec. 31, 2022																										$ 3			153,936	(147,231)	6,708
Balance beginning (in Shares) at Dec. 31, 2022																										2,966,967		(214,077)
Net loss to common stockholders																														(25,970)	(25,970)
Stock-based compensation																													226		226
Stock-based compensation (in Shares)																										(365,132)
2022 Debenture Release																										$ 1			2,180		2,181
2022 Debenture Release (in Shares)																										703,500
PIK Note Amendment																													1,339		1,339
PIK Note Amendment (in Shares)																										432,188
Exchange Offer																										$ 1			2,466		2,467
Exchange Offer (in Shares)																										795,618
Private placements net of issuance costs																										$ 1			443		443
Private placements net of issuance costs (in Shares)																										929,376
Issuance of shares to Joseph Gunner																													221		221
Issuance of shares to Joseph Gunner (in Shares)																										276,875
Treasury stock
Treasury stock (in Shares)																										(214,077)		214,077
Issuance of shares to MSK																													234		234
Issuance of shares to MSK (in Shares)																										292,867
Deemed dividends from trigger of down round provisions of Assumed Warrants																													912		912
Issuance of shares to employees																													135		135
Issuance of shares to employees (in Shares)																										98,670
Cantor Commitment Fee
Balance ending at Sep. 30, 2023																		$ 6			$ 162,092	$ (173,201)	$ (11,103)			$ 5			162,092	(173,201)	(11,103)
Balance ending (in Shares) at Sep. 30, 2023																		5,916,852								5,916,852
Balance beginning at Jun. 30, 2023																										$ 5			161,594	(168,629)	(7,030)
Balance beginning (in Shares) at Jun. 30, 2023																										4,648,096
Net loss to common stockholders																														(4,572)	(4,572)
Stock-based compensation																													(1,447)		(1,447)
Stock-based compensation (in Shares)																										(329,032)
Private placements net of issuance costs																										$ 1			443		444
Private placements net of issuance costs (in Shares)																										929,376
Issuance of shares to Joseph Gunner																													221		221
Issuance of shares to Joseph Gunner (in Shares)																										276,875
Issuance of shares to MSK																													234		234
Issuance of shares to MSK (in Shares)																										292,867
Deemed dividends from trigger of down round provisions of Assumed Warrants																													912		912
Issuance of shares to employees																													135		135
Issuance of shares to employees (in Shares)																										98,670
Balance ending at Sep. 30, 2023																		$ 6			$ 162,092	$ (173,201)	$ (11,103)			$ 5			$ 162,092	$ (173,201)	$ (11,103)
Balance ending (in Shares) at Sep. 30, 2023																		5,916,852								5,916,852