Leases Leases - Right of Use Asset and Lease Liability Balance Sheet Classification Additional Information (Details) $ in Thousands	Mar. 31, 2019 USD ($)
Leases - Right of Use Asset and Lease Liability Balance Sheet Classification [Abstract]
Operating Lease, Right-of-Use Asset	$ 12,523
Finance Lease, Right-of-Use Asset	1,839
Total Finance and Operating Lease Right-of-Use Asset	14,362
Operating Lease, Liability, Current	1,642
Finance Lease, Liability, Current	909
Operating Lease, Liability, Noncurrent	10,873
Total Operating and Finance Lease Liabilities	$ 13,424