XML 37 R26.htm IDEA: XBRL DOCUMENT v3.20.2
Investments (Tables)
 9 Months Ended
Sep. 30, 2020
Investments, Debt and Equity Securities [Abstract]  
Amortized cost and fair values
The following tables present cost or amortized cost and fair values of investments as of September 30, 2020 and December 31, 2019 ($ in millions):
Cost or Amortized CostGross
Unrealized		Fair
Value
GainsLosses
September 30, 2020
U.S. Government obligations$6.5 $0.2 $— $6.7 
Total$6.5 $0.2 $— $6.7 
December 31, 2019
U.S. Government obligations$5.8 $0.1 $— $5.9 
Total$5.8 $0.1 $— $5.9 
Contractual maturities of bonds
The following table presents the cost or amortized cost and estimated fair value of bonds as of September 30, 2020 by contractual maturity ($ in millions). Expected maturities may differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties.
As of
September 30, 2020
Cost or
Amortized
Cost		Fair Value
Due in one year or less$0.1 $0.1 
Due after one year through five years6.4 6.6 
Due after five years through ten years— — 
Due after ten years— — 
Total$6.5 $6.7 
Net investment income
An analysis of net investment income follows ($ in millions):
Three Months Ended
September 30,		Nine Months Ended
September 30,
2020201920202019
Interest on cash and cash equivalents$0.1 $0.9 $0.9 $1.7 
Bonds0.1 0.1 0.1 0.1 
Short-term investments— 0.1 0.3 0.3 
Total net investment income$0.2 $1.1 $1.3 $2.1 
Aging of gross unrealized losses The following table presents the gross unrealized losses and related fair values for the Company’s available-for-sale bond securities, grouped by duration of time in a continuous unrealized loss position, as of December 31, 2019 ($ in millions):
Less than 12 Months12 Months or MoreTotal
Fair ValueGross Unrealized LossesFair ValueGross Unrealized LossesFair ValueGross Unrealized Losses
December 31, 2019
U.S. Government obligations$0.2 $— $2.2 $— $2.4 $— 
Total$0.2 $— $2.2 $— $2.4 $—