Income Taxes (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2023	Dec. 31, 2022
Operating Loss Carryforwards [Abstract]
Other deferred tax assets, net	$ 43.4	$ 39.8
DGI Parent [Member]
Operating Loss Carryforwards [Abstract]
Valuation allowance related to the portion of operating loss carryforwards	$ 8.1
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	2022