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COMMITMENTS AND CONTINGENCIES	6 Months Ended
COMMITMENTS AND CONTINGENCIES	Jun. 30, 2017
Commitments and Contingencies Disclosure [Abstract]
COMMITMENTS AND CONTINGENCIES	Reinsurance Agreements We purchase reinsurance and retrocessional protection for our insurance and reinsurance lines of business. The minimum reinsurance premiums are contractually due in advance on a quarterly basis. At June 30, 2017, we have unrecorded outstanding reinsurance purchase commitments of $112 million, of which $34 million is due in 2017 and the remaining $78 million is due in 2018 and later years. Actual payments under the reinsurance contracts will depend on the underlying subject premium and may exceed the minimum premium. Investments Refer to Note 4 - 'Investments' for information on commitments related to our other investments.