Leases - Lease Assets and Liabilities (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2020	Dec. 31, 2019
Leases [Abstract]
Operating lease right-of-use assets	$ 5,286	$ 5,470
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	Other Assets
Operating lease liabilities	$ 5,315	$ 5,479
Operating Lease, Liability, Statement of Financial Position [Extensible List]	Other Liabilities
Lessee, Operating Lease, Existence of Option to Extend [true false]	true