Leases (Details)	12 Months Ended
	Dec. 31, 2019 USD ($)
Lessee, Lease, Description [Line Items]
Operating lease assets	$ 110,153,000
Finance lease assets	12,721,000
Total leased assets	122,874,000
Current operating lease liabilities	34,904,000
Current portion of debt, finance lease obligations and notes payable	1,259,000
Long-term operating lease liabilities	77,926,000
Finance lease obligations	14,814,000
Total lease liabilities	128,903,000
Accumulated amortization	7,757,000
Operating expenses and cost of sales	42,477,000
Operating expenses and cost of sales	1,486,000
Interest expense	875,000
Other (income) expense, net	(2,382,000)
Total lease cost	42,456,000
2020	38,095,000
2021	28,004,000
2022	19,289,000
2023	13,960,000
2024	8,913,000
Thereafter	12,967,000
Total lease payments	121,228,000
Less: interest	8,398,000
Present value of lease payments	112,830,000
2020	2,119,000
2021	2,107,000
2022	2,070,000
2023	2,070,000
2024	2,085,000
Thereafter	9,940,000
Total lease payments	20,391,000
Less: interest	4,318,000
Present value of lease payments	16,073,000
2020	40,214,000
2021	30,111,000
2022	21,359,000
2023	16,030,000
2024	10,998,000
Thereafter	22,907,000
Total lease payments	141,619,000
Option to extend	$ 3,429,000
Operating leases	4 years 5 months 19 days
Finance leases	9 years 5 months 23 days
Operating leases	3.29%
Finance leases	5.18%
Operating cash flows from operating leases	$ 42,687,000
Operating cash flows from finance leases	858,000
Financing cash flows from finance leases	1,254,000
Leased assets obtained in exchange for new operating lease liabilities	$ 28,773,000
Minimum
Lessee, Lease, Description [Line Items]
Renewal term	1 year
Maximum
Lessee, Lease, Description [Line Items]
Renewal term	20 years