Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Narrative (Details)

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Fair Value Measurements - Narrative (Details)
$ in Millions
Sep. 30, 2017
USD ($)
Senior Living Referral Services | Recurring | Level 3  
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]  
Assets measured at fair value $ 5.0