Leases - Schedule of Components of Lease Expense (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2019 USD ($)
Leases [Abstract]
Amortization of leased assets	$ 12
Interest of lease liabilities	2
Operating lease cost	2,716
Short-term lease cost	33
Total lease cost before subleases	2,763
Sublease income	(1,344)
Total lease cost, net	$ 1,419