SHAREHOLDERS' EQUITY AND PRIVATE WARRANT LIABILITY (Details) $ / shares in Units, $ in Thousands		3 Months Ended
	Jan. 04, 2021 USD ($) trading_day $ / shares shares	Mar. 31, 2021 USD ($) trading_day vote $ / shares shares	Mar. 31, 2020 USD ($)	Dec. 31, 2020 USD ($) $ / shares shares
Equity [Abstract]
Common stock, shares authorized		1,000,000,000		1,000,000,000
Common stock, par value (in dollars per share) | $ / shares		$ 0.0001		$ 0.0001
Common stock, shares issued		12,200,378		6,123,432
Common stock, shares outstanding		12,200,378		6,123,432
Performance shares (in shares)	300,000
Number of votes for each share held | vote		1
Performance shares, period post closing date of merger after which shares would be forfeited and cancelled if no Release Event has occurred	7 years
Performance shares, stock price trigger (in dollars per share) | $ / shares	$ 15.00
Performance shares, threshold trading days | trading_day	20
Performance shares, threshold trading day period | trading_day	30
Preferred stock, shares authorized		10,000,000		10,000,000
Preferred stock, par value (in dollars per share) | $ / shares		$ 0.0001		$ 0.0001
Preferred stock, shares issued		0		0
Preferred stock, shares outstanding		0		0
Class of Warrant or Right [Line Items]
Warrants to purchase common stock outstanding (in shares)		23,874,667
Number of whole shares of common stock entitled to purchase upon exercise of each whole warrant ( in shares)		1
Exercise price (in dollars per share) | $ / shares		$ 11.50
Maximum expiration period after completion of merger		5 years
Redemption rights, stock price trigger (in dollars per share) | $ / shares		$ 24.00
Redemption rights, threshold trading days | trading_day		20
Redemption rights, threshold trading day period | trading_day		30
Gain on fair value of private warrant liability | $		$ 15,003	$ 0
Liability for private warrants | $		$ 15,836		$ 0
Maximum number of shares of Common Stock that may be issued pursuant to stock awards under Equity Incentive Plan, percentage of issued and outstanding shares of common stock		10.00%
Public Warrants
Class of Warrant or Right [Line Items]
Warrants to purchase common stock outstanding (in shares)		16,928,889
Outstanding warrants exercised (in shares)		0
Private Warrants
Class of Warrant or Right [Line Items]
Warrants to purchase common stock outstanding (in shares)		6,945,778
Outstanding warrants exercised (in shares)		0
Gain on fair value of private warrant liability | $		$ 15,000
Liability for private warrants | $	$ 30,800
Fair value assumptions, expected term		5 years
Fair value assumptions, volatility rate		20.00%
Fair value assumptions, dividend yield		0.00%
Fair value assumptions, underlying stock price (in dollars per share) | $ / shares		$ 11.65
Fair value assumptions, risk free interest rate		0.85%
Fair value assumptions, exercise price, closing price of Public Warrants (in dollars per share) | $ / shares		$ 2.00