Annual report pursuant to Section 13 and 15(d)

Fair Value Measurements - Additional Information (Details)

v3.19.3.a.u2
Fair Value Measurements - Additional Information (Details) - Level 3
Dec. 31, 2019
Dec. 31, 2018
Interest Rate | Minimum    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Investments, measurement input 0.01 0.01
Interest Rate | Maximum    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Investments, measurement input 0.04 0.04
Discount Rate    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Investments, measurement input 0.044  
Securitization residual assets | Interest Rate | Minimum    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Investments, measurement input 0.01  
Securitization residual assets | Interest Rate | Maximum    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Investments, measurement input 0.04  
Securitization residual assets | Discount Rate    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Investments, measurement input 0.044