Related Party Transactions - Class L Ordinary Shares (Details)		6 Months Ended
	Sep. 15, 2020 $ / shares shares	Dec. 31, 2020 USD ($) item $ / shares shares	Sep. 30, 2020 USD ($) $ / shares shares	Sep. 02, 2020 shares
Related Party Transactions
Percentage of sum of Class A ordinary shares issued in offering, Class B ordinary share owned by sponsor at the time of offering and Class A ordinary share issued upon conversion		20.00%
Aggregate sale price \| $		$ 25,000
Threshold period for not to transfer, assign or sell any of their shares after the completion of the initial business combination		1 year
Warrants exercise price \| $ / shares	$ 11.50
If (and only if) the First Price Vesting shall not have occurred prior to or in connection with such Strategic Transaction
Related Party Transactions
Shares considered for determination of shares issued upon conversion \| shares		3,194,444
Dividing share price considered for determination of shares issued upon conversion \| $ / shares		$ 10.00
If (and only if) the Second Price Vesting shall not have occurred prior to or in connection with such Strategic Transaction
Related Party Transactions
Shares considered for determination of shares issued upon conversion \| shares		3,194,444
Dividing share price considered for determination of shares issued upon conversion \| $ / shares		$ 10.00
If (and only if) the Third Price Vesting shall not have occurred prior to or in connection with such Strategic Transaction
Related Party Transactions
Shares considered for determination of shares issued upon conversion \| shares		3,194,445
Dividing share price considered for determination of shares issued upon conversion \| $ / shares		$ 10.00
If (and only if) the Fourth Price Vesting shall not have occurred prior to or in connection with such Strategic Transaction
Related Party Transactions
Shares considered for determination of shares issued upon conversion \| shares		3,194,445
Dividing share price considered for determination of shares issued upon conversion \| $ / shares		$ 10.00
Forward Purchase Agreement
Related Party Transactions
Number of Forward Purchase Warrants \| shares			2,000,000
Number of Class A shares called by each warrant \| shares			1
Warrants exercise price \| $ / shares			$ 11.50
Price per unit to be received for each unit sold \| $ / shares			$ 10.00
Class L ordinary shares \| First Price Vesting \| Qualifying Strategic Transaction, At effective price of $43.00 per Class A ordinary share
Related Party Transactions
Shares issued upon conversion \| shares		3,194,444
Class A ordinary shares
Related Party Transactions
Shares issued upon conversion \| shares		6,388,888
Number of Class A shares called by each warrant \| shares	1
Aggregate proceeds to be received from Forward Purchase Agreement \| $			$ 100,000,000.0
Class A ordinary shares \| Minimum
Related Party Transactions
Share price \| $ / shares		$ 30.00
Class A ordinary shares \| Maximum
Related Party Transactions
Share price \| $ / shares		$ 40.00
Class A ordinary shares \| Qualifying Strategic Transaction, At effective price of at least $15.00 per Class A ordinary share
Related Party Transactions
Shares issued upon conversion \| shares		5,589,324
Minimum effective share price (in dollars per share) \| $ / shares		$ 15.00
Class A ordinary shares \| Qualifying Strategic Transaction, At effective price of at least $10.00 per Class A ordinary share
Related Party Transactions
Minimum effective share price (in dollars per share) \| $ / shares		10.00
Class A ordinary shares \| If (and only if) the First Price Vesting shall not have occurred prior to or in connection with such Strategic Transaction \| Minimum
Related Party Transactions
Effective share price (in dollars per share) \| $ / shares		10.00
Class A ordinary shares \| If (and only if) the First Price Vesting shall not have occurred prior to or in connection with such Strategic Transaction \| Maximum
Related Party Transactions
Effective share price (in dollars per share) \| $ / shares		20.00
Class A ordinary shares \| If (and only if) the Second Price Vesting shall not have occurred prior to or in connection with such Strategic Transaction \| Minimum
Related Party Transactions
Effective share price (in dollars per share) \| $ / shares		20.00
Class A ordinary shares \| If (and only if) the Second Price Vesting shall not have occurred prior to or in connection with such Strategic Transaction \| Maximum
Related Party Transactions
Effective share price (in dollars per share) \| $ / shares		30.00
Class A ordinary shares \| If (and only if) the Third Price Vesting shall not have occurred prior to or in connection with such Strategic Transaction \| Minimum
Related Party Transactions
Effective share price (in dollars per share) \| $ / shares		30.00
Class A ordinary shares \| If (and only if) the Third Price Vesting shall not have occurred prior to or in connection with such Strategic Transaction \| Maximum
Related Party Transactions
Effective share price (in dollars per share) \| $ / shares		40.00
Class A ordinary shares \| If (and only if) the Fourth Price Vesting shall not have occurred prior to or in connection with such Strategic Transaction \| Minimum
Related Party Transactions
Effective share price (in dollars per share) \| $ / shares		40.00
Class A ordinary shares \| If (and only if) the Fourth Price Vesting shall not have occurred prior to or in connection with such Strategic Transaction \| Maximum
Related Party Transactions
Effective share price (in dollars per share) \| $ / shares		$ 50.00
Class A ordinary shares \| If (and only if) the Fourth Price Vesting shall not have occurred prior to or in connection with such Strategic Transaction, and the effective price of the Strategic Transaction is greater than $50.00
Related Party Transactions
Shares issued upon conversion \| shares		1
Class A ordinary shares \| If (and only if) the Fourth Price Vesting shall not have occurred prior to or in connection with such Strategic Transaction, and the effective price of the Strategic Transaction is greater than $50.00 \| Minimum
Related Party Transactions
Effective share price (in dollars per share) \| $ / shares		$ 50.00
Class A ordinary shares \| Qualifying Strategic Transaction, At effective price of $43.00 per Class A ordinary share
Related Party Transactions
Shares issued upon conversion \| shares		7,347,222
Effective share price (in dollars per share) \| $ / shares		$ 43.00
Class A ordinary shares \| Forward Purchase Agreement
Related Party Transactions
Number of Forward Purchase Shares \| shares			10,000,000
Class A ordinary shares \| First Price Vesting
Related Party Transactions
Shares issued upon conversion \| shares		3,194,444
Class A ordinary shares \| Second Price Vesting
Related Party Transactions
Shares issued upon conversion \| shares		3,194,444
Class A ordinary shares \| Second Price Vesting \| Qualifying Strategic Transaction, At effective price of $43.00 per Class A ordinary share
Related Party Transactions
Shares issued upon conversion \| shares		3,194,444
Class A ordinary shares \| Third Price Vesting \| Qualifying Strategic Transaction, At effective price of $43.00 per Class A ordinary share
Related Party Transactions
Shares issued upon conversion \| shares		3,194,445
Class A ordinary shares \| Fourth Price Vesting \| Qualifying Strategic Transaction, At effective price of $43.00 per Class A ordinary share
Related Party Transactions
Shares issued upon conversion \| shares		958,333
Private Placement
Related Party Transactions
Issuance of ordinary shares from private placement with Sponsor (in shares) \| shares	10,100,000
Private Placement \| Class A ordinary shares
Related Party Transactions
Issuance of ordinary shares from private placement with Sponsor (in shares) \| shares	1,005,000
Shares issued, price per share \| $ / shares	$ 10.00
Sponsor \| Class L ordinary shares
Related Party Transactions
Aggregate number of shares owned \| shares		12,777,778
Shares subject to forfeiture \| shares		1,666,667
Founder Shares
Related Party Transactions
Shares subject to forfeiture \| shares				3,261
Founder Shares \| Class L ordinary shares
Related Party Transactions
Shares subject to forfeiture \| shares				1,666,667
Number of equal tranches in which the ordinary shares vest \| item		4
Threshold trading days for conversion of stock \| item		20
Threshold consecutive trading days for conversion of stock \| item		30
Number of vesting price targets \| item		4
Conversion of stock (as a percent)		25.00%
Conversion ratio		1
Period following consummation of initial business combination		15 months
Shares converted \| shares		6,388,888
Founder Shares \| Class L ordinary shares \| Qualifying Strategic Transaction, At effective price of at least $15.00 per Class A ordinary share
Related Party Transactions
Period following consummation of initial business combination		9 months
Founder Shares \| Class L ordinary shares \| Qualifying Strategic Transaction, At effective price of $43.00 per Class A ordinary share
Related Party Transactions
Period following consummation of initial business combination		17 months
Shares converted \| shares		10,541,666
Founder Shares \| Class L ordinary shares \| First Price Vesting
Related Party Transactions
Vesting price (in dollars per share) \| $ / shares		$ 20.00
Founder Shares \| Class L ordinary shares \| Second Price Vesting
Related Party Transactions
Vesting price (in dollars per share) \| $ / shares		30.00
Founder Shares \| Class L ordinary shares \| Third Price Vesting
Related Party Transactions
Vesting price (in dollars per share) \| $ / shares		40.00
Founder Shares \| Class L ordinary shares \| Fourth Price Vesting
Related Party Transactions
Vesting price (in dollars per share) \| $ / shares		$ 50.00
Founder Shares \| Private Placement \| Class A ordinary shares
Related Party Transactions
Issuance of ordinary shares from private placement with Sponsor (in shares) \| shares		1,005,000
Shares issued, price per share \| $ / shares		$ 10.00
Aggregate sale price \| $		$ 10,100,000

Ribbit LEAP, Ltd. 10-K/A