Investment in Variable Interest Entity and Other Investments and Affiliates	6 Months Ended
Jun. 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 PHI Century Limited - We account for our investment in our West African operations as a variable interest entity, 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. As of June 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 June 30, 2017, we recorded income in equity of this unconsolidated affiliate of $0.1 million relative to our 49% equity ownership. For the six months ended June 30, 2017 and 2016, we recorded a loss in equity of this unconsolidated affiliate of $0.9 million and $0.1 million relative to our 49% equity ownership, respectively. We had $2.4 million and $2.0 million of trade receivables as of June 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 June 30, 2017 and December 31, 2016, respectively. PHI-HNZ Australia Ltd - In the fourth quarter of 2016, the Company and HNZ Group, Inc. (HHNZ) jointly formed PHI-HNZ Australia Pty Ltd., a legal entity held 50% by PHI, Inc. and 50% by HNZ Group, Inc. (“HNZ”), to provide helicopter transportation services in support of a gas development project offshore of western Australia. PHI-HNZ Australia Pty, Ltd began operations in April, 2017. For the quarter and six months ended June 30, 2017, we recorded a loss in equity of unconsolidated affiliate of $1.1 million, primarily related to startup costs associated with the contract.

INVESTMENT IN VARIABLE INTEREST ENTITY AND OTHER INVESTMENTS AND AFFILIATES

PHI Century Limited - We account for our investment in our West African operations as a variable interest entity, 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. As of June 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 June 30, 2017, we recorded income in equity of this unconsolidated affiliate of $0.1 million relative to our 49% equity ownership. For the six months ended June 30, 2017 and 2016, we recorded a loss in equity of this unconsolidated affiliate of $0.9 million and $0.1 million relative to our 49% equity ownership, respectively. We had $2.4 million and $2.0 million of trade receivables as of June 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 June 30, 2017 and December 31, 2016, respectively.

PHI-HNZ Australia Ltd - In the fourth quarter of 2016, the Company and HNZ Group, Inc. (HHNZ) jointly formed PHI-HNZ Australia Pty Ltd., a legal entity held 50% by PHI, Inc. and 50% by HNZ Group, Inc. (“HNZ”), to provide helicopter transportation services in support of a gas development project offshore of western Australia. PHI-HNZ Australia Pty, Ltd began operations in April, 2017. For the quarter and six months ended June 30, 2017, we recorded a loss in equity of unconsolidated affiliate of $1.1 million, primarily related to startup costs associated with the contract.