Commitments and Contingencies (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Loss Contingencies [Line Items]
Interest expense - continuing operations	$ 11,683,000	$ 11,584,000	$ 35,077,000	$ 32,556,000
Self insurance deductible for workers compensation			2,000,000
Self insurance deductible for general liability claims			1,000,000
Self insurance deductible for medical coverage			400,000
Self insurance deductible for automobile liability			1,000,000
CJWS
Loss Contingencies [Line Items]
Self-insurance reserve	7,500,000		7,500,000
Sales and Use Tax Audit
Loss Contingencies [Line Items]
Accrued liability	3,400,000		3,400,000
Interest expense - continuing operations			200,000
Accrued interest	2,100,000		2,100,000
Sales and Use Tax Audit | Minimum
Loss Contingencies [Line Items]
Estimate of possible liability	6,000,000		6,000,000
Sales and Use Tax Audit | Maximum
Loss Contingencies [Line Items]
Estimate of possible liability	24,000,000		24,000,000
State Tax Audit
Loss Contingencies [Line Items]
Accrued liability	2,500,000		2,500,000
State Tax Audit | Minimum
Loss Contingencies [Line Items]
Estimate of possible liability	2,300,000		2,300,000
State Tax Audit | Maximum
Loss Contingencies [Line Items]
Estimate of possible liability	$ 3,500,000		$ 3,500,000