Investment in Variable Interest Entity and Other Investments and Affiliates	9 Months Ended
Sep. 30, 2017
Investment in Variable Interest Entity and Other Investments and Affiliates [Abstract]
Investment in Variable Interest Entity and Other Investments and Affiliates	INVESTMENT IN VARIABLE INTEREST ENTITY AND OTHER INVESTMENTS AND AFFILIATES We account for our investment in certain international operations as variable interest entities, which is defined as 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. PHI Century Limited - As of September 30, 2017, 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 quarter ended September 30, 2017, we recorded income in equity of this unconsolidated affiliate of $0.1 million compared to a loss of $0.2 million for the quarter ended September 30, 2016 relative to our 49% equity ownership. For the nine months ended September 30, 2017 and 2016, we recorded a loss in equity of this unconsolidated affiliate of $1.0 million and $0.3 million relative to our 49% equity ownership, respectively. We had $3.6 million and $2.0 million of trade receivables as of September 30, 2017 and December 31, 2016, respectively, from PHIC. Our investment in the common stock of PHIC is included in Other Assets on our Condensed Consolidated Balance Sheets and was $0.4 million and $0.2 million at September 30, 2017 and December 31, 2016, respectively. PHI-HNZ Australia Ltd - In the fourth quarter of 2016, the Company and HNZ Group, Inc. ("HNZ") jointly formed PHI-HNZ Australia Pty Ltd. ("PHI-HNZ"), a legal entity held 50% by PHI, Inc. and 50% by HNZ, to provide helicopter transportation services in support of a gas development project offshore of western Australia. PHI-HNZ began operations in April, 2017. For the quarter ended September 30, 2017, we recorded $0.5 million of income in equity of this unconsolidated affiliate. For the nine months ended September 30, 2017, we recorded a loss in equity of unconsolidated affiliate of $0.5 million, primarily related to startup costs associated with the contract. We had $5.9 million of trade receivables as of September 30, 2017 from PHI-HNZ. Our investment in common stock of PHI-HNZ is included in other long-term liabilities on our Consolidated Balance Sheets and was $(0.5) million at September 30, 2017.

INVESTMENT IN VARIABLE INTEREST ENTITY AND OTHER INVESTMENTS AND AFFILIATES

We account for our investment in certain international operations as variable interest entities, which is defined as 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.

PHI Century Limited - As of September 30, 2017, 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 quarter ended September 30, 2017, we recorded income in equity of this unconsolidated affiliate of $0.1 million compared to a loss of $0.2 million for the quarter ended September 30, 2016 relative to our 49% equity ownership. For the nine months ended September 30, 2017 and 2016, we recorded a loss in equity of this unconsolidated affiliate of $1.0 million and $0.3 million relative to our 49% equity ownership, respectively. We had $3.6 million and $2.0 million of trade receivables as of September 30, 2017 and December 31, 2016, respectively, from PHIC. Our investment in the common stock of PHIC is included in Other Assets on our Condensed Consolidated Balance Sheets and was $0.4 million and $0.2 million at September 30, 2017 and December 31, 2016, respectively.

PHI-HNZ Australia Ltd - In the fourth quarter of 2016, the Company and HNZ Group, Inc. ("HNZ") jointly formed PHI-HNZ Australia Pty Ltd. ("PHI-HNZ"), a legal entity held 50% by PHI, Inc. and 50% by HNZ, to provide helicopter transportation services in support of a gas development project offshore of western Australia. PHI-HNZ began operations in April, 2017. For the quarter ended September 30, 2017, we recorded $0.5 million of income in equity of this unconsolidated affiliate. For the nine months ended September 30, 2017, we recorded a loss in equity of unconsolidated affiliate of $0.5 million, primarily related to startup costs associated with the contract. We had $5.9 million of trade receivables as of September 30, 2017 from PHI-HNZ. Our investment in common stock of PHI-HNZ is included in other long-term liabilities on our Consolidated Balance Sheets and was $(0.5) million at September 30, 2017.