Fair Value of Financial Instruments - Hierarchy Table - Noncrecurring Basis (Details) - Nonrecurring - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Fair Value Disclosures
Financial assets, impaired loans	$ 660	$ 2,257
Level 1
Fair Value Disclosures
Financial assets, impaired loans	0	0
Level 2
Fair Value Disclosures
Financial assets, impaired loans	0	0
Level 3
Fair Value Disclosures
Financial assets, impaired loans	$ 660	$ 2,257