VARIABLE INTEREST ENTITIES (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Variable Interest Entity [Line Items]
Total assets of VIEs	$ 1,199,699	$ 1,086,791
Total liabilities of VIEs	1,010,219	$ 875,769
Variable Interest Entity, Primary Beneficiary
Variable Interest Entity [Line Items]
Total assets of VIEs	20,759
Total liabilities of VIEs	$ 19,760