Annual report pursuant to Section 13 and 15(d)

LEASES - Cash Flow Classifications (Details)

v3.20.4
LEASES - Cash Flow Classifications (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Leases [Abstract]      
Operating cash flows used for operating leases $ 3,713 $ 4,389 $ 0
Operating cash flows used for operating leases 0 0 0
Financing cash flows used for finance leases 0 0 0
Right-of-use assets obtained in exchange for lease obligations, Operating leases 206 81 0
Right-of-use assets obtained in exchange for lease obligations, Finance leases $ 0 $ 0 $ 0