Leases - Assets and Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Lease Right-of-Use Assets
Operating lease right-of-use assets	$ 4,067	$ 4,499
Finance lease right-of-use asset	589	637
Total right-of-use assets	4,656	5,136
Lease Liabilities
Operating lease liability	5,036	5,430
Finance lease liability	1,162	1,224
Total lease liabilities	$ 6,198	$ 6,654
Weighted-average remaining lease term
Operating leases	8 years 2 months 19 days	8 years 10 months 24 days
Finance lease	6 years 2 months 1 day	6 years 8 months 1 day
Weighted-average discount rate
Operating leases	3.58%	3.78%
Finance lease	8.89%	8.89%
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	us-gaap:OtherAssets	us-gaap:OtherAssets
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization
Operating Lease, Liability, Statement of Financial Position [Extensible List]	us-gaap:OtherLiabilities	us-gaap:OtherLiabilities
Finance Lease, Liability, Statement of Financial Position [Extensible List]	us-gaap:LongTermDebt	us-gaap:LongTermDebt