Operating Leases - Balance Sheet Information (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Jan. 01, 2019
Leases [Abstract]
Right of use assets, included in Other assets	$ 12,692	$ 14,499
Operating lease liabilities, included in Other liabilities	$ 13,429	$ 13,908
Weighted Average Remaining Lease Term	5 years
Weighted Average Discount Rate	4.10%