Leases Leases (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Lessee, Lease, Description [Line Items]
Lease, Cost	$ 2,262	$ 1,588	$ 4,129	$ 3,133
Operating Lease, Weighted Average Remaining Lease Term	1 year 8 months 12 days		1 year 8 months 12 days
Operating Lease, Weighted Average Discount Rate, Percent	4.70%		4.70%
Lessee, Operating Lease, Liability, Payments, Remainder of Fiscal Year	$ 3,573		$ 3,573
Lessee, Operating Lease, Liability, Payments, Due Year Two	3,676		3,676
Lessee, Operating Lease, Liability, Payments, Due Year Three	419		419
Lessee, Operating Lease, Liability, Payments, Due Year Four	93		93
Lessee, Operating Lease, Liability, Payments, Due Year Five	40		40
Lessee, Operating Lease, Liability, Payments, Due after Year Five	312		312
Lessee, Operating Lease, Liability, Payments, Due	8,113		8,113
Lessee, Operating Lease, Liability, Undiscounted Excess Amount	(363)		(363)
Operating Lease, Liability	7,750		7,750
Operating Lease, Payments			3,225	1,457
Operating Lease, Payments, Use			10	18
Lease Operating Expense [Member]
Lessee, Lease, Description [Line Items]
Short-term Lease, Cost	650	329	900	1,664
Operating Lease, Cost	1,433	1,084	2,870	1,138
General and Administrative Expense [Member]
Lessee, Lease, Description [Line Items]
Operating Lease, Cost	179	175	359	331
Property, Plant and Equipment [Member]
Lessee, Lease, Description [Line Items]
Short-term Lease, Cost	118	2,184	2,302	6,168
Operating Lease, Cost	5	11	10	18
Lease, Cost	$ 123	$ 2,195	$ 2,312	$ 6,186