Investment in Variable Interest Entity	3 Months Ended
Mar. 31, 2013
Basis of Presentation/Investment in Variable Interest Entity [Abstract]
INVESTMENT IN VARIABLE INTEREST ENTITY	NOTE 10 – INVESTMENT IN VARIABLE INTEREST ENTITY A variable interest entity (“VIE”) is an entity that either (a) has insufficient equity to permit the entity to finance its operations without additional subordinated financial support or (b) has equity investors who lack the characteristics of a controlling financial interest. As of March 31, 2013, we had a 49% investment in the common stock of PHI Century Limited (“PHIC”), a Ghanaian entity. We acquired our 49% interest on May 26, 2011, PHIC’s date of incorporation. The purpose of PHIC is to provide oil and gas flight services in Ghana and the West African region. For the three months ended March 31, 2013, we recorded a loss in equity of unconsolidated affiliate of $ 0.5 million relative to our 49% equity ownership. In addition, we had $3.4 million of Trade receivables and a $1.0 million note receivable outstanding as of March 31, 2013 from PHIC. The note receivable is included in Other assets on our Condensed Consolidated Balance Sheet. Our investment in the common stock of PHIC is included in Other assets on our Condensed Consolidated Balance Sheet and was $(1.3) million at March 31, 2013. Included in Operating revenues for three months ended March 31, 2013 is $1.3 million of revenues from services provided to PHIC.

Investment in Variable Interest Entity

3 Months Ended

Mar. 31, 2013

Basis of Presentation/Investment in Variable Interest Entity [Abstract]

NOTE 10 – INVESTMENT IN VARIABLE INTEREST ENTITY

A variable interest entity (“VIE”) is an entity that either (a) has insufficient equity to permit the entity to finance its operations without additional subordinated financial support or (b) has equity investors who lack the characteristics of a controlling financial interest. As of March 31, 2013, we had a 49% investment in the common stock of PHI Century Limited (“PHIC”), a Ghanaian entity. We acquired our 49% interest on May 26, 2011, PHIC’s date of incorporation. The purpose of PHIC is to provide oil and gas flight services in Ghana and the West African region.

For the three months ended March 31, 2013, we recorded a loss in equity of unconsolidated affiliate of $ 0.5 million relative to our 49% equity ownership. In addition, we had $3.4 million of Trade receivables and a $1.0 million note receivable outstanding as of March 31, 2013 from PHIC. The note receivable is included in Other assets on our Condensed Consolidated Balance Sheet. Our investment in the common stock of PHIC is included in Other assets on our Condensed Consolidated Balance Sheet and was $(1.3) million at March 31, 2013. Included in Operating revenues for three months ended March 31, 2013 is $1.3 million of revenues from services provided to PHIC.