v3.7.0.1

Segment Information - Schedule of Net Revenue Attributable to Insurance, Medicare, Medicaid, and Self-Pay as Percentage of Net Air Medical Revenues (Detail) - Air Medical [Member] | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2017 | Jun. 30, 2016 | Jun. 30, 2017 | Jun. 30, 2016
Insurance [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Percentage of net Air Medical revenues | 72.00% | 69.00% | 71.00% | 70.00%
Medicare [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Percentage of net Air Medical revenues | 18.00% | 18.00% | 18.00% | 18.00%
Medicaid [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Percentage of net Air Medical revenues | 8.00% | 9.00% | 9.00% | 10.00%
Self Pay [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Percentage of net Air Medical revenues | 2.00% | 4.00% | 2.00% | 2.00%

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- 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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- Details
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- Details
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- Details
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- Details
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