Marketable securities in equity securities with readily determinable market prices consisted of the following as of December 31, 2021 and 2020: (Details) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Net Investment Income [Line Items]
Payments to Acquire Investments	$ 2,500,000
Common Stock [Member]
Net Investment Income [Line Items]
Payments to Acquire Investments	53,475,000	1,506,000
Unrealized Gain (Loss) on Securities	32,000	1,083,000
Debt and Equity Securities, Gain (Loss)	(13,127,000)	(26,000)
Mortgage-backed Securities Available-for-sale, Fair Value Disclosure	$ 40,380,000	$ 2,563,000