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Fair Value - Assets Measured on Nonrecurring Basis, Fair Value Measurement Inputs and Valuation Techniques (Details) - Fair Value, Inputs, Level 3 [Member] - Measurement Input, Discount Rate [Member] - Collateral Pledged [Member]
Dec. 31, 2021
Minimum [Member]  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Impaired Financing Receivable, Recorded Investment, Measurement Input 50
Maximum [Member]  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Impaired Financing Receivable, Recorded Investment, Measurement Input 70
Weighted Average [Member]  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Impaired Financing Receivable, Recorded Investment, Measurement Input 56