Property and Equipment - Cost and Lives (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Property and Equipment
Property and equipment, at cost	$ 980,607	$ 890,933
Land and land improvements
Property and Equipment
Property and equipment, at cost	7,353	11,671
Building and building improvements
Property and Equipment
Property and equipment, at cost	$ 64,362	80,191
Building and building improvements | Minimum
Property and Equipment
Estimated useful lives (in years)	10 years
Building and building improvements | Maximum
Property and Equipment
Estimated useful lives (in years)	40 years
Revenue and service equipment
Property and Equipment
Property and equipment, at cost	$ 649,154	582,176
Revenue and service equipment | Minimum
Property and Equipment
Estimated useful lives (in years)	3 years
Revenue and service equipment | Maximum
Property and Equipment
Estimated useful lives (in years)	15 years
Furniture and equipment
Property and Equipment
Property and equipment, at cost	$ 53,218	50,442
Furniture and equipment | Minimum
Property and Equipment
Estimated useful lives (in years)	3 years
Furniture and equipment | Maximum
Property and Equipment
Estimated useful lives (in years)	7 years
Leasehold improvements
Property and Equipment
Property and equipment, at cost	$ 45,924	24,698
Computer software
Property and Equipment
Property and equipment, at cost	$ 160,596	$ 141,755
Computer software | Minimum
Property and Equipment
Estimated useful lives (in years)	3 years
Computer software | Maximum
Property and Equipment
Estimated useful lives (in years)	7 years