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Fair Value Measurements - Debt Securities (Details) - Mortgage banking derivatives - Pricing Model - Fair Value, Inputs, Level 3 - Measurement Input, Pull Through Rate
$ in Thousands
Mar. 31, 2022
USD ($)
Dec. 31, 2021
USD ($)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair value $ 209 $ 636
Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.8290 0.8640
Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.807  
Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.853