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SUBSEQUENT EVENT (Note)	6 Months Ended
SUBSEQUENT EVENT (Note)	Jun. 30, 2018
Subsequent Events [Abstract]
SUBSEQUENT EVENT	SUBSEQUENT EVENT On July 23, 2018, the Company acquired Student Loan Hero, Inc. (“Student Loan Hero”) for $60.7 million cash consideration at the closing of the transaction. Student Loan Hero, a personal finance website dedicated to helping student loan borrowers manage their student debt, offers current and former students in-depth financial comparison tools, educational resources, and unbiased, personalized advice.