Income Taxes, Operating Loss Carryforward (Details) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Operating Loss Carryforwards [Abstract]
Income tax benefit related to operating loss carryback	$ 0	$ (1,640,084)	$ 0
Other deferred tax assets, net	28,100,000	26,700,000
DGI Parent [Member]
Operating Loss Carryforwards [Abstract]
Valuation allowance related to net state operating loss carryforward	$ 7,900,000	7,900,000
Earliest Tax Year [Member]
Operating Loss Carryforwards [Abstract]
Tax years open for examination	2016
Latest Tax Year [Member]
Operating Loss Carryforwards [Abstract]
Tax years open for examination	2021
Tax Years Prior to 2021 [Member]
Operating Loss Carryforwards [Abstract]
Refund from tax authorities	$ 2,300,000	$ 2,300,000