Annual report pursuant to Section 13 and 15(d)

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Recent Accounting Pronouncements (Details)

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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Recent Accounting Pronouncements (Details)
$ in Millions
12 Months Ended
Dec. 31, 2017
USD ($)
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES  
Provisional deferred tax expense $ 117.3