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Disclosures about Fair Value of Financial Instruments
6 Months Ended
Jun. 30, 2018
Fair Value Disclosures [Abstract]  
Disclosures about Fair Value of Financial Instruments
Disclosures about Fair Value of Financial Instruments
Cash. The carrying amount approximates fair value.
Investment securities and short-term investments. See Note 4, “Investments,” for additional information.
Premiums receivable and reinsurance recoverables on paid losses. The carrying value of current receivables and reinsurance recoverables on paid losses approximates fair value.                          
Debt. At June 30, 2018 and December 31, 2017, the fair value of our Junior subordinated debentures, Senior unsecured fixed rate notes and Other indebtedness was estimated using appropriate market indices or quoted prices from external sources based on current market conditions. All of these debt instruments would be in Level 3 of the fair value hierarchy, as the fair value estimates shown below were calculated using unobservable inputs reflecting our assumptions about the assumptions market participants would use in pricing the liabilities.
A summary of our financial instruments whose carrying value did not equal fair value is shown below:
 
 
June 30, 2018
 
December 31, 2017
(in millions)
 
Carrying
Amount
 
Fair
Value
 
Carrying
Amount
 
Fair
Value
Junior subordinated debentures
 

 

 
 
 
 
Trust preferred debentures
 
$
172.7

 
$
172.9

 
$
172.7

 
$
172.9

Subordinated debentures acquired with Maybrooke
 
84.1

 
83.3

 
83.9

 
85.0

Senior unsecured fixed rate notes
 
139.7

 
141.1

 
139.6

 
141.2

Floating rate loan stock
 
59.0

 
59.0

 
58.9

 
59.0