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Marketable securities in equity securities with readily determinable market prices consisted of the following as of June 30, 2021 and December 31, 2020: (Details) - USD ($)	6 Months Ended		12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Dec. 31, 2020
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]
Cost	$ 4,040,000	$ 199,000
Common Stock [Member]
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]
Cost	24,262,000		$ 1,506,000
Gross unrealized gains	7,763,000		1,083,000
Gross unrealized losses	(1,853,000)		(26,000)
Fair value	$ 30,172,000		$ 2,563,000

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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 unrealized and realized gain (loss) on investment in debt and equity securities.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(9)(a))
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Fair value of securitized, pay-through debt securities collateralized by real estate mortgage loans classified as available-for-sale.

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The cash outflow associated with the purchase of all investments (debt, security, other) during the period.

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Amount of unrealized gain (loss) recognized in the income statement on unsold other securities.

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