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Revenue Recognition - General (Details)	Jun. 30, 2018 item
Concentration Risk
Number of broad lines of consulting services	2
Revenue Benchmark | Revenue Concentration Risk
Concentration Risk
Number of broad lines of consulting services	2

X

- Definition

Number of broad areas in consulting services offered by the reporting entity.

+ References

No definition available.

+ Details

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X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Details

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X

- Details

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