Equity-Method Investment And Other Assets Equity-Method Investment And Other Assets (Narrative) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Jan. 31, 2020
Guarantor Obligations, Maximum Exposure, Undiscounted	$ 17,155,300			$ 20,063,000
Equity Method Investments	(2,250,000)
Income (Loss) from Equity Method Investments	(3,126,000)	$ 0	$ 0
Timber Ridge OpCo [Member]
Financing Receivable, Revolving	$ 5,000,000