XML 31 R42.htm IDEA: XBRL DOCUMENT v3.19.3
Fair Value Measurements - Fair Value Hierarchy for Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details)
$ in Millions
Mar. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Fixed-maturity securities available for sale:    
Total $ 17.5 $ 17.8
Corporate debt securities    
Fixed-maturity securities available for sale:    
Corporate debt securities 17.5 17.8
Level 1    
Fixed-maturity securities available for sale:    
Total 0.0 0.0
Level 1 | Corporate debt securities    
Fixed-maturity securities available for sale:    
Corporate debt securities 0.0 0.0
Level 2    
Fixed-maturity securities available for sale:    
Total 0.0 0.0
Level 2 | Corporate debt securities    
Fixed-maturity securities available for sale:    
Corporate debt securities 0.0 0.0
Level 3    
Fixed-maturity securities available for sale:    
Total $ 17.5 17.8
Level 3 | Discount Rate | Minimum    
Fixed-maturity securities available for sale:    
Discount rate 0.163  
Level 3 | Discount Rate | Maximum    
Fixed-maturity securities available for sale:    
Discount rate 0.175  
Level 3 | Discount Rate | Weighted Average    
Fixed-maturity securities available for sale:    
Discount rate 0.175  
Level 3 | Corporate debt securities    
Fixed-maturity securities available for sale:    
Corporate debt securities $ 17.5 $ 17.8