Amount of realized and unrealized gain (loss) on investment.

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The total amount of investments that are intended to be held for an extended period of time (longer than one operating cycle).

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Amount of realized gain (loss) on investment.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of investment in debt security measured at fair value with change in fair value recognized in net income (trading) and investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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Amortized cost of investments in debt securities classified as trading.

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Amount of unrealized gain (loss) on investment.

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The increase (decrease), resulting in a gain, in the difference between the fair value and the carrying value, or in the comparative fair values, of securities held at each balance sheet date, that was included in earnings for the period.

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INVESTMENTS (Details Textual) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended	9 Months Ended
INVESTMENTS (Details Textual) - USD ($) $ in Thousands	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2020	Jun. 30, 2022	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021	Feb. 28, 2019	May 31, 2018
Schedule of Investments [Line Items]
Long-term Investments	$ 4,455				$ 4,455		$ 4,455	$ 300	$ 5,400
Estimated Fair Value	55,565				55,565		69,537
Unrealized Gain on Securities					(600)	$ 700
Gain (Loss) on Investments	0				0
Cost	52,983				52,983		65,158
Realized Investment Gains (Losses)			$ 0	$ 8,300	(8,371)	8,371
Net change in unrealized appreciation (depreciation) on private investments	(249)	$ (13)			(511)	$ (2,124)
us-gaap_EquitySecuritiesMember [Member]
Schedule of Investments [Line Items]
Cost	$ 155				$ 155		$ 140