SIGNIFICANT ACCOUNTING POLICIES (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
SIGNIFICANT ACCOUNTING POLICIES
Total investments	$ 27,500	$ 40,853
Total investments and U.S. Treasury Bills		85,808
Control Investments [Member]
SIGNIFICANT ACCOUNTING POLICIES
Total investments	27,500	40,853
U.S. Treasury Bills [Member]
SIGNIFICANT ACCOUNTING POLICIES
Total investments		44,955
Level 1 [Member]
SIGNIFICANT ACCOUNTING POLICIES
Total investments	0	0
Total investments and U.S. Treasury Bills		44,955
Level 1 [Member] | Control Investments [Member]
SIGNIFICANT ACCOUNTING POLICIES
Total investments	0	0
Level 1 [Member] | U.S. Treasury Bills [Member]
SIGNIFICANT ACCOUNTING POLICIES
Total investments		44,955
Level 2 [Member]
SIGNIFICANT ACCOUNTING POLICIES
Total investments	0	0
Total investments and U.S. Treasury Bills		0
Level 2 [Member] | Control Investments [Member]
SIGNIFICANT ACCOUNTING POLICIES
Total investments	0	0
Level 2 [Member] | U.S. Treasury Bills [Member]
SIGNIFICANT ACCOUNTING POLICIES
Total investments		0
Level 3 [Member]
SIGNIFICANT ACCOUNTING POLICIES
Total investments	27,500	40,853	$ 15,650	$ 13,000
Total investments and U.S. Treasury Bills		40,853
Level 3 [Member] | Control Investments [Member]
SIGNIFICANT ACCOUNTING POLICIES
Total investments	$ 27,500	40,853	$ 15,650	$ 2,500
Level 3 [Member] | U.S. Treasury Bills [Member]
SIGNIFICANT ACCOUNTING POLICIES
Total investments		$ 0