Fair Value Measurements - Qualitative Information for Level 3 Assets Measured at Fair Value on a Non-Recurring Basis (Details) $ in Thousands	Mar. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired loans	$ 4,208	$ 4,942
Appraisals | Discount for costs to sell
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired loans, input	0.070	0.070
Appraisals | Discount for quick sale
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired loans, input	0.100	0.100
Discounted cash flows | Interest rates | Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired loans, input	0.0413	0.0413
Discounted cash flows | Interest rates | Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired loans, input	0.0625	0.0625