SHAREHOLDERS' EQUITY AND PRIVATE WARRANT LIABILITY - Narrative (Details) $ / shares in Units, $ in Thousands			3 Months Ended
	Sep. 30, 2021 shares	Jan. 04, 2021 USD ($) $ / shares shares	Mar. 31, 2022 USD ($) trading_day vote $ / shares shares	Mar. 31, 2021 USD ($) shares	Dec. 31, 2021 USD ($) $ / shares shares
Class of Warrant or Right [Line Items]
Common stock, shares authorized (in shares)			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 (in shares)			12,245,947		12,193,378
Common stock, shares outstanding (in shares)			12,245,947		12,193,378
Performance shares (in shares)			300,000
Number of votes for each share held | vote			1
Preferred stock, shares authorized (in shares)			10,000,000		10,000,000
Preferred stock, par value (in dollars per share) | $ / shares			$ 0.0001		$ 0.0001
Preferred stock, shares issued (in shares)			0		0
Preferred stock, shares outstanding (in shares)			0		0
Performance shares, par value (in dollars per share) | $ / shares			$ 0.0001
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
Salaries and employee benefits | $			$ 9,482	$ 8,557
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 (as a percent)			10.00%
Warrants to purchase common stock outstanding (in shares)			22,703,104	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 (in years)			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
Reclassified warrants (in shares)			300,000
Liability for private warrants | $			$ 8,268		$ 13,614
Gain on fair value of private warrant liability | $			2,644	$ 15,003
Repurchase of private warrants | $			$ 1,977	0
Merger Consideration Share Based Compensation Award
Class of Warrant or Right [Line Items]
RSUs granted (in shares)		1,317,035	0
Fair value | $		$ 19,600
Vesting period		2 years
Share-based compensation expense | $			$ 2,200	$ 2,300
Salaries and employee benefits | $			$ 800
Restricted Stock Units (RSUs)
Class of Warrant or Right [Line Items]
RSUs granted (in shares)			46,190	0
Share-based compensation expense | $			$ 600	$ 0
Public Warrants
Class of Warrant or Right [Line Items]
Warrants to purchase common stock outstanding (in shares)			17,227,289	16,928,889
Outstanding warrants exercised (in shares)			1,500
Private Warrants
Class of Warrant or Right [Line Items]
Warrants to purchase common stock outstanding (in shares)			5,475,815	6,945,778
Private warrants repurchased (in shares)			1,169,903
Private warrants, price per share (in dollars per share) | $ / shares			$ 1.69
Liability for private warrants | $		$ 30,800
Fair value assumptions, expected term (in years)		5 years	3 years 9 months 18 days
Fair value assumptions, volatility rate (as a percent)		20.00%	35.00%
Fair value assumptions, dividend yield		0.00%	0.00%
Fair value assumptions, underlying stock price (in dollars per share) | $ / shares		$ 14.76	$ 8.55
Fair value assumptions, risk free interest rate (as a percent)		0.38%	2.42%
Fair value assumptions, exercise price, closing price of Public Warrants (in dollars per share) | $ / shares		$ 2.50	$ 1.49
Gain on fair value of private warrant liability | $			$ 2,600	$ 15,000
Repurchase of private warrants | $			$ 2,000
Certain executives | Restricted Stock Units (RSUs)
Class of Warrant or Right [Line Items]
RSUs granted (in shares)	695,000
Director | Restricted Stock Units (RSUs) | Minimum
Class of Warrant or Right [Line Items]
Vesting period	3 years
Director | Restricted Stock Units (RSUs) | Maximum
Class of Warrant or Right [Line Items]
Vesting period	5 years