Fair Value of Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2016

Fair Value Disclosures [Abstract]

Summary of the fair value and carrying value of financial instruments

The following table summarizes the fair values and book values as of December 31, 2016 and 2015:

	December 31, 2016				December 31, 2015
Millions	Fair Value		Carrying Value		Fair Value		Carrying Value
OBH Senior Notes	$	274.2	$	273.2	$	276.4	$	272.9
MediaAlpha Bank Facility	13.0		12.7		15.0		14.7