STOCK-BASED COMPENSATION - Additional Information (Details)		9 Months Ended
	Jun. 10, 2022 shares	Sep. 30, 2022 USD ($) plan hour $ / shares shares	Sep. 30, 2021 USD ($) shares
Share-Based Payment Arrangement [Abstract]
Number of equity plans | plan		2
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Additional shares authorized (in shares)	6,300,000
Number of common stock authorized for issuance (in shares)		1,501,304
Weighted average period for recognition of compensation costs (in years)		1 year 1 month 6 days
Options granted to employees (in shares)		0	0
Unrecognized compensation cost | $		$ 900,000
2015 Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares available for grant (in shares)		6,700,000
Restricted Stock Units (RSUs)
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting period (in years)		3 years
Vesting percentage		16.66667%
Composition of grants (as a percent)		100.00%
Restricted Stock Units (RSUs) | Employees and/or Board of Directors
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Composition of grants (as a percent)		50.00%
Restricted Stock Units (RSUs) | Director
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting period (in years)		1 year
Incentive Stock Units (ISUs)
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Weighted average grant date fair value of RSUs granted (in USD per share) | $ / shares		$ 3.86
Employee Stock Purchase Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of common stock authorized for issuance (in shares)		3,500,000
Minimum hours worked per week | hour		20
Minimum months worked (in months)		5 months
Maximum contribution percentage amount of employee's base compensation (as a percent)		15.00%
Maximum employee contribution in to share purchase plan per offering | $		$ 30,000
Maximum number of shares allowed for purchase by each employee (in shares)		3,000
Purchase price as a percentage of fair market value per share (as a percent)		85.00%
Common stock reserved for issuance (in shares)		3,500,000
Shares issued under ESPP (in shares)		500,000
Common stock remained available for issuance pursuant to the purchase plan (in shares)		3,000,000
Stock options outstanding
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting period (in years)		4 years
Expiration period of stock option plan (in years)		10 years
Stock options outstanding | Employees and/or Board of Directors
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Composition of grants (as a percent)		50.00%
Performance Shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Weighted average grant date fair value of RSUs granted (in USD per share) | $ / shares		$ 4.33
Number of years of compound annual revenue growth rate used as metric to award performance share units (in years)		3 years
Incentive Stock Units
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Total grant date fair value of ISUs | $		$ 14,800,000	$ 16,100,000
Total fair value of ISUs vested | $		8,900,000	$ 24,200,000
Unrecognized stock based compensation cost | $		$ 19,000,000
Weighted average period for recognition of compensation costs (in years)		1 year 7 months 6 days
Shares expected to vest (in shares)		7,000,000