Leases Leases - Right of Use Asset and Lease Liability Balance Sheet Classification Additional Information (Details) $ in Thousands	Jun. 30, 2019 USD ($)
Leases - Right of Use Asset and Lease Liability Balance Sheet Classification [Abstract]
Operating Lease, Right-of-Use Asset	$ 12,404
Total Finance and Operating Lease Right-of-Use Asset	12,404
Operating Lease, Liability, Current	1,704
Operating Lease, Liability, Noncurrent	10,710
Total Operating and Finance Lease Liabilities	$ 12,414