Leases Summary of Lease Costs (Details)	12 Months Ended
	Dec. 31, 2019 USD ($)
Lessee, Lease, Description [Line Items]
Finance lease cost, amortization	$ 2,517,000
Finance lease cost, interest expense	333,000
Total lease cost	7,698,000
Cost of revenue
Lessee, Lease, Description [Line Items]
Operating lease cost	3,497,000
Cost of revenue | Operating Lease
Lessee, Lease, Description [Line Items]
Variable lease costs	700,000
Cost of revenue | Finance Lease
Lessee, Lease, Description [Line Items]
Variable lease costs	2,900,000
Selling, general and administrative expenses
Lessee, Lease, Description [Line Items]
Operating lease cost	1,351,000.00
Selling, general and administrative expenses | Operating Lease
Lessee, Lease, Description [Line Items]
Variable lease costs	200,000
Selling, general and administrative expenses | Finance Lease
Lessee, Lease, Description [Line Items]
Variable lease costs	$ 0