Income Taxes, Federal and State NOL Carryforwards (Details) - USD ($)	1 Months Ended	12 Months Ended
	Mar. 31, 2013	Dec. 31, 2021	Dec. 31, 2020
NOL Carryforwards [Abstract]
Income tax refund received			$ 30,000
Paid federal income taxes attributable to alternative minimum tax rate	$ 501,000
Federal [Member]
NOL Carryforwards [Abstract]
Operating loss carryforwards, amount		$ 124,000,000
Tax year expiring		2026
State [Member]
NOL Carryforwards [Abstract]
Operating loss carryforwards, amount		$ 231,000,000
Tax year expiring		2030