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Labor Union Contracts - Additional Information (Details) - Unionized employees concentration risk	12 Months Ended
	Dec. 31, 2022
Employees represented by CWA or IBEW
Labor Union Contracts
Concentration risk percentage	43.00%
Employees covered under collective bargaining agreements that are scheduled to expire within 12 months
Labor Union Contracts
Concentration risk percentage	1.00%

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

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