Basis of Presentation (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Jan. 01, 2019
Lessee, Lease, Description [Line Items]
Operating lease right-of-use assets	$ 11,152	$ 14,400
Present value of lease liabilities	$ 11,808	$ 13,300
Equipment [Member] | Minimum [Member]
Lessee, Lease, Description [Line Items]
Lease term (in years)	2 years
Equipment [Member] | Maximum [Member]
Lessee, Lease, Description [Line Items]
Lease term (in years)	5 years
Property [Member] | Minimum [Member]
Lessee, Lease, Description [Line Items]
Lease term (in years)	2 years
Property [Member] | Maximum [Member]
Lessee, Lease, Description [Line Items]
Lease term (in years)	10 years