Leases - Schedule of Operating and Finance Lease Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Assets:
Operating lease assets	$ 16,837	$ 0
Finance lease assets	519
Total leased assets	17,356
Liabilities:
Operating lease liabilities	17,696	$ 0
Finance lease liabilities	648
Total leased liabilities	18,344
Finance lease, net of accumulated amortization	$ 697