Recapitalization (Details) $ / shares in Units, $ in Thousands							3 Months Ended
	Jan. 20, 2021 $ / shares shares	Jan. 20, 2021 USD ($) $ / shares shares	Jan. 20, 2021 $ / shares shares	Jan. 20, 2021 $ / shares shares	Jan. 20, 2021 d $ / shares shares	Jan. 20, 2021 day $ / shares shares	Mar. 31, 2021 USD ($) day $ / shares shares	Mar. 31, 2020 USD ($)	Jan. 19, 2021 $ / shares	Dec. 31, 2020 $ / shares
Reverse Recapitalization [Line Items]
Reverse recapitalization, percentage of voting interests acquired	100.00%	100.00%	100.00%	100.00%	100.00%	100.00%
Proceeds from issuance of common stock, recapitalization | $		$ 197,700					$ 197,686	$ 0
Reverse recapitalization, deferred transaction costs | $		$ 16,200
Recapitalization exchange ratio	0.4530	0.4530	0.4530	0.4530	0.4530	0.4530
Reverse recapitalization, contingent consideration, equity (in shares) | shares				16,000,000
Reverse recapitalization, contingent consideration, equity, earnout period, stock price trigger one (in dollars per share)	$ 15.00	$ 15.00	$ 15.00	$ 15.00	$ 15.00	$ 15.00
Reverse recapitalization, contingent consideration, equity, earnout period, stock price trigger two (in dollars per share)	17.50	17.50	17.50	17.50	17.50	17.50
Reverse recapitalization, contingent consideration, equity, earnout period, stock price trigger three (in dollars per share)	$ 20.00	$ 20.00	$ 20.00	$ 20.00	$ 20.00	$ 20.00
Reverse recapitalization, contingent consideration, equity, earnout period, threshold trading days					10	10	10
Reverse recapitalization, contingent consideration, equity, earnout period, threshold trading day period | d					20
Reverse recapitalization, contingent consideration, equity, earnout period	5 years
Chief Executive Officer
Reverse Recapitalization [Line Items]
Recapitalization exchange ratio	0.4530	0.4530	0.4530	0.4530	0.4530	0.4530
Common Class A
Reverse Recapitalization [Line Items]
Class of warrant or right, number of securities called by each warrant or right (in shares) | shares	0.0028	0.0028	0.0028	0.0028	0.0028	0.0028
Parent Warrant Restricted Stock Units | Hims' Option And RSU Holders
Reverse Recapitalization [Line Items]
Class of warrant or right, outstanding (in shares) | shares	35,000	35,000	35,000	35,000	35,000	35,000
Common Class A and V | Common Stock
Reverse Recapitalization [Line Items]
Recapitalization, contingent consideration, equity, exchange ratio			0.0443
Common Class A
Reverse Recapitalization [Line Items]
Common stock, par value (in dollars per share)	$ 0.0001	$ 0.0001	$ 0.0001	$ 0.0001	$ 0.0001	$ 0.0001	$ 0.0001			$ 0.0001
Common Class A | Chief Executive Officer
Reverse Recapitalization [Line Items]
Common stock, par value (in dollars per share)	$ 0.0001	$ 0.0001	$ 0.0001	$ 0.0001	$ 0.0001	$ 0.0001
Common Class A | Hims, Inc.
Reverse Recapitalization [Line Items]
Common stock, par value (in dollars per share)									$ 0.000001
Common Class A | Parent Warrants
Reverse Recapitalization [Line Items]
Class of warrant or right, outstanding (in shares) | shares	888,143	888,143	888,143	888,143	888,143	888,143	888,143
Common Class A | Parent Warrants | Hims' Stockholders
Reverse Recapitalization [Line Items]
Class of warrant or right, outstanding (in shares) | shares	888,143	888,143	888,143	888,143	888,143	888,143
Common Class A | Parent Warrants | Hims' Warrant Holders
Reverse Recapitalization [Line Items]
Class of warrant or right, outstanding (in shares) | shares	3,443	3,443	3,443	3,443	3,443	3,443
Common Class V
Reverse Recapitalization [Line Items]
Common stock, par value (in dollars per share)							$ 0.0001
Common Class V | Chief Executive Officer
Reverse Recapitalization [Line Items]
Common stock, par value (in dollars per share)	$ 0.0001	$ 0.0001	$ 0.0001	$ 0.0001	$ 0.0001	$ 0.0001
Common Class V | Hims, Inc.
Reverse Recapitalization [Line Items]
Common stock, par value (in dollars per share)									$ 0.000001
PIPE Investment
Reverse Recapitalization [Line Items]
Sale of stock, number of shares issued in transaction (in shares) | shares				7,500,000
Sale of stock, price per share (in dollars per share)	$ 10.00	$ 10.00	$ 10.00	$ 10.00	$ 10.00	$ 10.00
Sale of stock, consideration received on transaction | $		$ 75,000