The following table presents information on certain assets measured at fair value on a recurring basis by level within the fair value hierarchy as of September 30, 2022 and December 31, 2021. There were no observable price changes or indicators of impairm (Details) - Fair Value, Recurring [Member] - USD ($)	Sep. 30, 2022	Dec. 31, 2021
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments in other equity securities that do not report net asset value	$ 41,641,000	$ 21,241,000
Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments in other equity securities that do not report net asset value
Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments in other equity securities that do not report net asset value
Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments in other equity securities that do not report net asset value	$ 41,641,000	$ 21,241,000