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Fair Value Measurements - Fair Value Inputs, Quantitative Information (Details) - Level 3 [Member] - Measurement Input, Discount Rate [Member]	Mar. 31, 2020	Dec. 31, 2019
Foreclosed Real Estate [Member] | Minimum [Member] | Appraisal of Collateral - Appraisal Adjustments [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Fair value inputs, discount rate	15
Foreclosed Real Estate [Member] | Minimum [Member] | Appraisal of Collateral - Cost to Sell [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Fair value inputs, discount rate	6
Foreclosed Real Estate [Member] | Maximum [Member] | Appraisal of Collateral - Appraisal Adjustments [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Fair value inputs, discount rate	15
Foreclosed Real Estate [Member] | Maximum [Member] | Appraisal of Collateral - Cost to Sell [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Fair value inputs, discount rate	9
Foreclosed Real Estate [Member] | Weighted Average [Member] | Appraisal of Collateral - Appraisal Adjustments [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Fair value inputs, discount rate	15
Foreclosed Real Estate [Member] | Weighted Average [Member] | Appraisal of Collateral - Cost to Sell [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Fair value inputs, discount rate	8
Impaired Loans [Member] | Minimum [Member] | Appraisal of Collateral - Appraisal Adjustments [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Fair value inputs, discount rate		5
Impaired Loans [Member] | Minimum [Member] | Appraisal of Collateral - Cost to Sell [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Fair value inputs, discount rate		7
Impaired Loans [Member] | Maximum [Member] | Appraisal of Collateral - Appraisal Adjustments [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Fair value inputs, discount rate		20
Impaired Loans [Member] | Maximum [Member] | Appraisal of Collateral - Cost to Sell [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Fair value inputs, discount rate		13
Impaired Loans [Member] | Weighted Average [Member] | Appraisal of Collateral - Appraisal Adjustments [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Fair value inputs, discount rate		9
Impaired Loans [Member] | Weighted Average [Member] | Appraisal of Collateral - Cost to Sell [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Fair value inputs, discount rate		11

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- Definition

Value of input used to measure alternative investment.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258

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+ References

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