XML 33 R42.htm IDEA: XBRL DOCUMENT v2.4.1.9
Significant Customers (Details) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Concentration Risk [Line Items]      
Accounts receivable 43,513us-gaap_AccountsReceivableNetCurrent 52,247us-gaap_AccountsReceivableNetCurrent  
DHL [Member] | Revenues from Leases and Contracted Services [Member] | Customer Concentration Risk [Member]      
Concentration Risk [Line Items]      
Percentage of consolidated revenues 55.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= atsg_RevenueLeasesAndContractedServicesMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= atsg_DhlMember		 54.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= atsg_RevenueLeasesAndContractedServicesMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= atsg_DhlMember		 53.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= atsg_RevenueLeasesAndContractedServicesMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= atsg_DhlMember
DHL [Member] | Accounts Receivable [Member]      
Concentration Risk [Line Items]      
Accounts receivable 12,200us-gaap_AccountsReceivableNetCurrent
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_AccountsReceivableMember
/ us-gaap_MajorCustomersAxis
= atsg_DhlMember		 24,100us-gaap_AccountsReceivableNetCurrent
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_AccountsReceivableMember
/ us-gaap_MajorCustomersAxis
= atsg_DhlMember		  
US Military [Member] | Revenues from Services Performed [Member] | Customer Concentration Risk [Member]      
Concentration Risk [Line Items]      
Percentage of consolidated revenues 16.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueServicesNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= atsg_UsMilitaryMember		 17.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueServicesNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= atsg_UsMilitaryMember		 16.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueServicesNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= atsg_UsMilitaryMember
US Military [Member] | Accounts Receivable [Member]      
Concentration Risk [Line Items]      
Accounts receivable 6,000us-gaap_AccountsReceivableNetCurrent
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_AccountsReceivableMember
/ us-gaap_MajorCustomersAxis
= atsg_UsMilitaryMember		 4,800us-gaap_AccountsReceivableNetCurrent
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_AccountsReceivableMember
/ us-gaap_MajorCustomersAxis
= atsg_UsMilitaryMember