Operating Leases - Assets and Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2019		Jan. 01, 2019
Assets and Liabilities, Lessee [Abstract]
Right-of-use assets	$ 8,677		$ 10,000
Operating lease liabilities	$ 9,281	[1]	$ 10,000

[1] Lease liability is included in other liabilities