Leases - Supplemental Balance Sheet Information (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Lessee, Lease, Description [Line Items]
Right of use lease assets	$ 42,905	$ 0
Total operating lease liabilities	$ 42,450
Operating Lease Weighted Average Remaining Lease Term	6 years 2 months 12 days
Operating Lease Weighted Average Discount Rate Percent	4.21%
Other accrued liabilities [Member]
Lessee, Lease, Description [Line Items]
Total operating lease liabilities	$ 11,177
Long-term lease liabilities [Member]
Lessee, Lease, Description [Line Items]
Total operating lease liabilities	$ 31,273