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Segment Reporting - Additional Information (Details) - Sales Revenue, Net	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Government Contracts Concentration Risk | U.S. Government
Segment Reporting Information [Line Items]
Concentration risk percentage	76.00%	76.00%	77.00%
Customer Concentration Risk | U.S. Government | Government Operations
Segment Reporting Information [Line Items]
Concentration risk percentage	94.00%	95.00%	94.00%
Customer Concentration Risk | Utility Customers
Segment Reporting Information [Line Items]
Concentration risk percentage	14.00%	14.00%	13.00%
Customer Concentration Risk | Utility Customers | Commercial Operations
Segment Reporting Information [Line Items]
Concentration risk percentage	74.00%	75.00%	73.00%

X

- 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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+ References

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