Operating Leases - Balance Sheet Information (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Jan. 01, 2019
Leases [Abstract]
Right of use assets, included in Other assets	$ 16,483	$ 13,900
Operating lease liabilities, included in Other liabilities	$ 17,499
Weighted average remaining lease term	4 years 6 months 3 days
Weighted average discount rate	3.78%