LEASES - Additional Information (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022 USD ($) lease	Sep. 30, 2021 USD ($)	Sep. 30, 2022 USD ($) lease	Sep. 30, 2021 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Apr. 30, 2019 USD ($)
Lessee, Lease, Description [Line Items]
Operating lease right of use assets	$ 21,253		$ 21,253		$ 23,196
Lease liability	32,500		32,500
Operating lease extension term							5 years
Aggregate base rent							$ 49,500
Operating lease expense	$ 1,200	$ 1,200	$ 3,700	$ 3,600
Office Lease 2020
Lessee, Lease, Description [Line Items]
Operating lease right of use assets						$ 34,600
Lease liability						34,500
Lease incentive, tenant improvements						$ 7,900
Kilroy Realty, L.P.
Lessee, Lease, Description [Line Items]
Number of operating leases | lease	1		1