CAPITAL ADVANCE ("CA") RECEIVABLES - current and overdue amounts (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022	Jun. 30, 2022	Dec. 31, 2021
Financing Receivable, Past Due [Line Items]
Total	$ 44,785	$ 42,466	$ 42,475	$ 56,101
Current
Financing Receivable, Past Due [Line Items]
Total	41,938	39,945
1-30 days overdue
Financing Receivable, Past Due [Line Items]
Total	1,635	986
30-60 overdue
Financing Receivable, Past Due [Line Items]
Total	437	380
60-90 overdue
Financing Receivable, Past Due [Line Items]
Total	381	104
Above 90 overdue
Financing Receivable, Past Due [Line Items]
Total	$ 394	$ 1,051