Disclosures About Fair Value of Financial Instruments - Additional Quantitative Information, Assets Measured at Fair Value, Recurring and Nonrecurring Basis, Level 3 Input (Details) $ in Thousands	Mar. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Estimated cost to sell | Loans measured for impairment
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Estimated cost to sell loans measured for impairment	0.100
Estimated cost to sell | Real estate owned
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Estimated cost to sell	0.100
Discount rate | Loans measured for impairment | Discounted cash flow | Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Estimated cost to sell loans measured for impairment	0.0425
Discount rate | Loans measured for impairment | Discounted cash flow | Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Estimated cost to sell loans measured for impairment	0.110
Discount rate | Loans measured for impairment | Discounted cash flow | Weighted Average
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Estimated cost to sell loans measured for impairment	0.0750
Fair Value, Measurements, Nonrecurring
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Real estate owned, net	$ 1,075	$ 950
Loans measured for impairment | Fair Value, Measurements, Nonrecurring
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans individually assessed	$ 47,240	$ 46,238