INVESTMENTS (Details) - Investments Classified by Contractual Maturity Date $ in Thousands	Mar. 31, 2021 USD ($)
Investments Classified by Contractual Maturity Date [Abstract]
Amortized Cost, Due in one year or less	$ 0
Amortized cost, Due after one year through five years	14,342
Amortized cost, Due after five years through ten years	1,000
Amortized cost, Due after ten years	0
Amortized cost, Total	15,342
Fair Value, Due in one year or less	0
Fair Value, Due after one year through five years	16,470
Fair Value, Due after five years through ten years	1,000
Fair Value, Due after ten years	0
Fair Value, Total	$ 17,470