Leases - Balance Sheet Classification (Details) $ in Thousands	Sep. 30, 2019 USD ($)
Leases [Abstract]
Operating lease assets	$ 29,697
Finance lease assets	1,215
Total lease assets	30,912
Current operating lease liabilities	6,093
Current finance lease liabilities	271
Noncurrent operating lease liabilities	24,336
Noncurrent finance lease liabilities	862
Lease, Liability	$ 31,562