Fair Values of Financial Instruments (Narrative) (Details) - USD ($)	6 Months Ended
	Jun. 30, 2022	Dec. 31, 2021
Investment escrow	$ 1,491,000	$ 3,611,000
Equity securities	11,925,000	21,869,000
Notes receivable	$ 6,111,000	5,960,000
Interest rate	5.00%
Other Investments in Fund	$ 19,000,000.0
Warrants Market Value	2,400,000	3,800,000
Mortgage backed and asset backed securities at fair value	7,700,000
Mortgage servicing rights MSR impairment recovery	500,000
Valuation allowances on mortgage loans		0
Perpetual preferred stock	10,000,000.0	10,000,000.0
Fair value of preferred stock	7,400,000	4,900,000
Other Invested assets	71,170,000	35,293,000
Transfers between levels	$ 0	0
BBB+
Interest rate	5.00%
Exchange Traded Funds
Equity securities	$ 11,900,000	$ 21,900,000