Leases - Supplemental Balance Sheet Information (Details) $ in Thousands	Dec. 31, 2019 USD ($)
Leases [Abstract]
Operating lease assets	$ 20,747
Total lease assets	20,747
Operating lease liabilities	21,421
Total Lease liabilities	$ 21,421
Weighted average remaining lease term (years)
Operating leases	8 years 10 months 24 days
Weighted average discount rate
Operating leases	3.40%