XML 28 R17.htm IDEA: XBRL DOCUMENT

Labor Union Contracts	3 Months Ended
Labor Union Contracts	Mar. 31, 2023
Risks and Uncertainties [Abstract]
Labor Union Contracts	Labor Union Contracts As of March 31, 2023, approximately 43% of our employees were represented by the Communications Workers of America ("CWA") or the International Brotherhood of Electrical Workers ("IBEW"). None of our represented employees are subject to collective bargaining agreements that are scheduled to expire within the twelve-month period ending March 31, 2024. We believe relations with our employees continue to be generally good.