Equity Method Investments in Related Parties (Schedule of operations and financial condition for tigress) (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Revenues	$ 14,336,000	$ 17,051,000	$ 36,367,000	$ 52,768,000
Net income (Loss)	1,052,000	870,000	790,000	4,574,000
Assets	1,025,147,000		1,025,147,000		$ 1,404,235,000
Liabilities	970,901,000		970,901,000		1,353,729,000
Stockholders’ Equity	51,567,000		51,567,000		49,263,000
Tigress Holdings, LLC [Member]
Revenues	1,213,000	3,816,000	6,945,000	11,211,000
Operating income (Loss)	(627,000)	1,375,000	196,000	4,027,000
Net income (Loss)	(627,000)	$ 1,375,000	196,000	$ 4,027,000
Assets	10,127,000		10,127,000		10,793,000
Liabilities	5,270,000		5,270,000		6,096,000
Stockholders’ Equity	$ 4,857,000		$ 4,857,000		$ 4,697,000