Investments, Investment on Deposits (Details) - USD ($)	Dec. 31, 2023	Dec. 31, 2022
Investments [Abstract]
Fair value of investments on deposit with state insurance departments	$ 7,959,076	$ 7,771,724

Fair value of investments on deposit with state insurance departments

No definition available.

Name:	utgn_FairValueOfInvestmentsOnDepositWithStateInsuranceDepartments
Namespace Prefix:	utgn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant