XML 41 R24.htm IDEA: XBRL DOCUMENT v3.10.0.1
Fair Value of Financial Instruments
12 Months Ended
Dec. 31, 2018
Fair Value Disclosures [Abstract]  
Fair Value of Financial Instruments
Fair Value of Financial Instruments

White Mountains records its financial instruments at fair value with the exception of the NSM Bank Facility and the MediaAlpha Bank Facility, which are recorded as debt at face value less unamortized original issue discount.
The following tables presents the fair value and carrying value of these financial instruments as of December 31, 2018 and December 31, 2017:
 
 
December 31, 2018
 
December 31, 2017
Millions
 
Fair
Value
 
Carrying
Value
 
Fair
Value
 
Carrying
Value
NSM Bank Facility
 
$
176.1

 
$
176.6

 
$

 
$

MediaAlpha Bank Facility
 
$
14.6

 
$
14.2

 
$
23.9

 
$
23.8



The fair value estimates for the NSM Bank Facility and the MediaAlpha Bank Facility have been determined based on a discounted cash flows approach and are considered to be Level 3 measurements.