BALANCE SHEETS - USD ($)	Mar. 31, 2021	Dec. 31, 2020
Current assets:
Cash	$ 510,864	$ 1,017,406
Prepaid expenses	119,715	105,838
Total current assets	630,579	1,123,244
Cash and marketable securities held in trust	500,026,153	500,078,624
Deferred tax asset	0	0
Total assets	500,656,732	501,201,868
Current liabilities:
Accounts payable and accrued liabilities	72,315	127,450
Total current liabilities	72,315	127,450
Deferred underwriting commissions	17,500,000	17,500,000
Warrant derivative liability	44,510,000	55,720,000
Total liabilities	62,082,315	73,347,450
Commitments and contingencies
Class A common stock subject to possible redemption, 43,355,173 and 42,278,793 shares, respectively, at redemption value of $10.00	433,574,407	422,854,408
Stockholder's Equity:
Preferred stock, $0.0001 par value, 1,000,000 authorized, no shares issued or outstanding	0	0
Additional paid-in capital	23,168,492	33,888,383
Accumulated deficit	(18,170,396)	(28,890,395)
Total stockholder's equity	5,000,010	5,000,010
Total liabilities and stockholder's equity	500,656,732	501,201,868
Class A common stock
Stockholder's Equity:
Common stock	664	772
Total stockholder's equity	664	772
Class B common stock
Stockholder's Equity:
Common stock	1,250	1,250
Total stockholder's equity	$ 1,250	$ 1,250

The carrying value as of balance sheet date of underwriting compensation deferred, classified as noncurrent.

No definition available.

Name:	lcyau_DeferredUnderwritingCompensationNoncurrent
Namespace Prefix:	lcyau_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Sum of the carrying values as of the balance sheet date of obligations incurred through that date and due within one year (or the operating cycle, if longer), including liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received, taxes, interest, rent and utilities, accrued salaries and bonuses, payroll taxes and fringe benefits.