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Debt and Standby Letter of Credit Facilities (Tables) | 12 Months Ended
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Dec. 31, 2015
Debt Disclosure [Abstract] |
Schedule of debt outstanding | White Mountains’s debt outstanding as of December 31, 2015 and 2014 consisted of the following:
|  | December 31,
Millions |  | 2015 |  | 2014
WTM Bank Facility |  | $ | 50.0 |  |  | $ | — |
OBH Senior Notes, at face value |  | 275.0 |  |  | 275.0 |
Unamortized original issue discount |  | (.2 | ) |  | (.3 | )
OBH Senior Notes, carrying value |  | 274.8 |  |  | 274.7 |
OneBeacon Bank Facility |  | — |  |  | — |
Tranzact Bank Facility |  | 104.7 |  |  | 68.7 |
Unamortized issuance cost |  | (1.8 | ) |  | (1.3 | )
Tranzact Bank Facility, carrying value |  | 102.9 |  |  | 67.4 |
MediaAlpha Bank Facility |  | 15.0 |  |  | — |
Unamortized issuance cost |  | (.3 | ) |  | — |
MediaAlpha Bank Facility, carrying value |  | 14.7 |  |  | — |
Other debt |  | — |  |  | 1.0 |
Total debt |  | $ | 442.4 |  |  | $ | 343.1 |
Schedule of contractual repayments of debt | A schedule of contractual repayments of White Mountains’s debt as of December 31, 2015, follows:
Millions |  | December 31, 2015
Due in one year or less |  | $ | 74.9 |
Due in two to three years |  | 43.3 |
Due in four to five years |  | 51.5 |
Due after five years |  | 275.0 |
Total |  | $ | 444.7 |

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