Commitments, Contingencies and Other Items (Details) $ in Thousands		1 Months Ended				3 Months Ended
	Dec. 30, 2021 lawsuit People	Jun. 30, 2023 USD ($)	Jun. 30, 2021 USD ($) lawsuit	Dec. 31, 2020 USD ($)	Feb. 28, 2017 USD ($) lawsuit	Mar. 31, 2024 USD ($) lawsuit patent
Loss Contingencies
Estimate of possible loss						$ 81,000
Number of people killed in fire | People	2
Number of patents allegedly infringed | patent						1
Penalties For Violation Of Washington Regulations And Laws Filed By Staff Of W U T C
Loss Contingencies
Loss contingency, damages sought, value				$ 7,000
Penalties Sought By Washington Attorneys General Office
Loss Contingencies
Loss contingency, damages sought, value				$ 27,000
Penalties Sought For Violation Of Regulations And Laws Of W U T C
Loss Contingencies
Loss contingency, damages awarded, value		$ 1,000
Unfavorable Regulatory Action
Loss Contingencies
Estimate of possible loss						$ 300
Missouri Municipalities | Judicial Ruling
Loss Contingencies
Number of pending claims | lawsuit					1
Litigation settlement amount					$ 4,000
Peruvian Tax Litigation | Pending Litigation
Loss Contingencies
Number of pending claims | lawsuit			1
Columbia and Joplin Municipalities | Judicial Ruling
Loss Contingencies
Litigation settlement amount			$ 55,000
Marshall Fire Litigation | Pending Litigation
Loss Contingencies
Number of pending claims | lawsuit						3
Number of lawsuits filed | lawsuit	300
Marshall Fire Litigation | Pending Litigation | Minimum
Loss Contingencies
Estimate of possible loss						$ 2,000,000