Leases - Lease Balances (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Jan. 01, 2019	Dec. 31, 2018
Leases [Abstract]
Operating	$ 65,302	$ 67,700	$ 0
Finance	6,203		5,002
Total	71,505		5,002
Current Operating Liability	16,839		0
Current Finance Liability	2,622		2,340
Long-term Operating Liability	85,844		0
Long-term Finance Liability	3,697		2,753
Total lease liabilities	$ 109,002		$ 5,093