CASH FLOW DISCLOSURES AND NON CASH INVESTING AND FINANCING ACTIVITIES (Reconciliation of Cash) (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020	Jun. 30, 2020	Dec. 31, 2019
Supplemental Cash Flow Elements [Abstract]
Cash and cash equivalents	$ 69,083	$ 16,637	$ 23,228
Escrowed cash	11,067	6,970	7,374
Total cash, cash equivalents, and restricted cash shown in the consolidated statements of cash flows	$ 80,150	$ 23,607	$ 30,602	$ 36,985