LEASES - Narrative (Details) $ in Thousands	1 Months Ended	6 Months Ended
	Oct. 31, 2016 USD ($) ft²	Jun. 30, 2023 USD ($) ft²	Dec. 31, 2016 USD ($) ft²
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Leased area (in sq ft) | ft²			22,213
Minimum | Vehicles
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Lease term		4 years
Maximum | Vehicles
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Lease term		5 years
19 Presidential Way
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Letter of credit | $			$ 229
Subleased area (in sq ft) | ft²	9,874
19 Presidential Way | Lease Concentration Risk | Lease Liabilities
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Concentration risk (as a percent)		96.00%
410 Downey Road and 110 Gymnasium Place
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Leased area (in sq ft) | ft²		9,600
Woburn Facility and Automobiles
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Undiscounted future lease payments | $		$ 2,813
CJ CheilJedang Corporation | 19 Presidential Way
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Letter of credit | $	$ 103