Operating Leases - Balance Sheet Information (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Leases [Abstract]
Right of use assets, included in Other assets	$ 12,551	$ 16,483
Operating lease liabilities, included in Other liabilities	$ 13,559	$ 17,499
Weighted average remaining lease term	3 years 7 months 17 days	4 years 6 months 3 days
Weighted average discount rate	3.75%	3.78%
Operating Lease, Liability, Statement of Financial Position [Extensible List]	us-gaap:OtherLiabilities	us-gaap:OtherLiabilities