Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2016

Accounting Policies [Abstract]

Provisions for Contractual Discounts and Uncompensated Care Applied to Air Medical Trade Receivables Expressed as Percentage of Total Segment Accounts Receivable

Provisions for contractual discounts and uncompensated care that we applied to our Air Medical trade receivables (expressed as a percentage of total segment accounts receivable) at December 31 were as follows:

	2016			2015
Allowance for contractual discounts		56	%		56	%
Allowance for uncompensated care		23	%		23	%

Schedule of Provisions for Contractual Discounts and Estimated Uncompensated Care Applied to Air Medical Revenues Expressed as Percentage of Total Independent Provider Model Billings

Provisions for contractual discounts and estimated uncompensated care that we applied to our Air Medical revenues (expressed as a percentage of total independent provider model billings) were as follows:

	Year Ended December 31,
	2016			2015			2014
Provision for contractual discounts		67	%		65	%		72	%
Provision for uncompensated care		6	%		8	%		2	%

Schedule of Net Revenue Attributable to Medicaid, Medicare, Private Insurance and Self Pay as Percentage of Net Air Medical Independent Provider Model Revenues

Amounts attributable to Medicaid, Medicare, private insurance, and self-pay as a percentage of net Air Medical independent provider model revenues were as follows:

	Year Ended December 31,
	2016			2015			2014
Insurance		72	%		74	%		74	%
Medicare		18	%		17	%		18	%
Medicaid		9	%		8	%		8	%
Self-Pay		1	%		1	%		0	%