XML 15 R33.htm IDEA: XBRL DOCUMENT v2.4.1.9
Business Segments: (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Dec. 31, 2014
Details of reportable segment      
Total operating revenues $ 100,933us-gaap_SalesRevenueNet $ 101,945us-gaap_SalesRevenueNet  
Operating income (loss) 24,890us-gaap_OperatingIncomeLoss 22,768us-gaap_OperatingIncomeLoss  
Interest expense, net 5,116us-gaap_InterestIncomeExpenseNonoperatingNet 5,515us-gaap_InterestIncomeExpenseNonoperatingNet  
Utility plant 1,007,563us-gaap_PropertyPlantAndEquipmentNet 983,929us-gaap_PropertyPlantAndEquipmentNet 1,003,520us-gaap_PropertyPlantAndEquipmentNet
Depreciation and amortization expense 10,548us-gaap_DepreciationDepletionAndAmortization 10,530us-gaap_DepreciationDepletionAndAmortization  
Income tax expense (benefit) 7,898us-gaap_IncomeTaxExpenseBenefit 6,357us-gaap_IncomeTaxExpenseBenefit  
Capital additions 17,390us-gaap_PropertyPlantAndEquipmentAdditions 20,531us-gaap_PropertyPlantAndEquipmentAdditions  
GSWC      
Details of reportable segment      
Number of reportable segments 2us-gaap_NumberOfReportableSegments
/ dei_LegalEntityAxis
= awr_GoldenStateWaterCompanyMember
   
Total operating revenues 82,473us-gaap_SalesRevenueNet
/ dei_LegalEntityAxis
= awr_GoldenStateWaterCompanyMember
81,213us-gaap_SalesRevenueNet
/ dei_LegalEntityAxis
= awr_GoldenStateWaterCompanyMember
 
Operating income (loss) 22,473us-gaap_OperatingIncomeLoss
/ dei_LegalEntityAxis
= awr_GoldenStateWaterCompanyMember
20,430us-gaap_OperatingIncomeLoss
/ dei_LegalEntityAxis
= awr_GoldenStateWaterCompanyMember
 
Utility plant 1,003,141us-gaap_PropertyPlantAndEquipmentNet
/ dei_LegalEntityAxis
= awr_GoldenStateWaterCompanyMember
  998,880us-gaap_PropertyPlantAndEquipmentNet
/ dei_LegalEntityAxis
= awr_GoldenStateWaterCompanyMember
Depreciation and amortization expense 10,241us-gaap_DepreciationDepletionAndAmortization
/ dei_LegalEntityAxis
= awr_GoldenStateWaterCompanyMember
10,240us-gaap_DepreciationDepletionAndAmortization
/ dei_LegalEntityAxis
= awr_GoldenStateWaterCompanyMember
 
Income tax expense (benefit) 7,247us-gaap_IncomeTaxExpenseBenefit
/ dei_LegalEntityAxis
= awr_GoldenStateWaterCompanyMember
5,705us-gaap_IncomeTaxExpenseBenefit
/ dei_LegalEntityAxis
= awr_GoldenStateWaterCompanyMember
 
Depreciation on transportation equipment 223awr_PublicUtilitiesPropertyPlantAndEquipmentDepreciationOnTransportationEquipment
/ dei_LegalEntityAxis
= awr_GoldenStateWaterCompanyMember
272awr_PublicUtilitiesPropertyPlantAndEquipmentDepreciationOnTransportationEquipment
/ dei_LegalEntityAxis
= awr_GoldenStateWaterCompanyMember
 
AWR      
Details of reportable segment      
Number of reportable segments 3us-gaap_NumberOfReportableSegments
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
   
Reportable Legal Entities [Member] | GSWC | Water      
Details of reportable segment      
Total operating revenues 71,504us-gaap_SalesRevenueNet
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ReportableLegalEntitiesMember
/ dei_LegalEntityAxis
= awr_GoldenStateWaterCompanyMember
/ us-gaap_StatementBusinessSegmentsAxis
= awr_WaterServiceUtilityOperationsMember
70,757us-gaap_SalesRevenueNet
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ReportableLegalEntitiesMember
/ dei_LegalEntityAxis
= awr_GoldenStateWaterCompanyMember
/ us-gaap_StatementBusinessSegmentsAxis
= awr_WaterServiceUtilityOperationsMember
 
Operating income (loss) 19,741us-gaap_OperatingIncomeLoss
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ReportableLegalEntitiesMember
/ dei_LegalEntityAxis
= awr_GoldenStateWaterCompanyMember
/ us-gaap_StatementBusinessSegmentsAxis
= awr_WaterServiceUtilityOperationsMember
18,395us-gaap_OperatingIncomeLoss
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ReportableLegalEntitiesMember
/ dei_LegalEntityAxis
= awr_GoldenStateWaterCompanyMember
/ us-gaap_StatementBusinessSegmentsAxis
= awr_WaterServiceUtilityOperationsMember
 
Interest expense, net 4,801us-gaap_InterestIncomeExpenseNonoperatingNet
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ReportableLegalEntitiesMember
/ dei_LegalEntityAxis
= awr_GoldenStateWaterCompanyMember
/ us-gaap_StatementBusinessSegmentsAxis
= awr_WaterServiceUtilityOperationsMember
5,168us-gaap_InterestIncomeExpenseNonoperatingNet
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ReportableLegalEntitiesMember
/ dei_LegalEntityAxis
= awr_GoldenStateWaterCompanyMember
/ us-gaap_StatementBusinessSegmentsAxis
= awr_WaterServiceUtilityOperationsMember
 
Utility plant 958,270us-gaap_PropertyPlantAndEquipmentNet
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ReportableLegalEntitiesMember
/ dei_LegalEntityAxis
= awr_GoldenStateWaterCompanyMember
/ us-gaap_StatementBusinessSegmentsAxis
= awr_WaterServiceUtilityOperationsMember
938,744us-gaap_PropertyPlantAndEquipmentNet
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ReportableLegalEntitiesMember
/ dei_LegalEntityAxis
= awr_GoldenStateWaterCompanyMember
/ us-gaap_StatementBusinessSegmentsAxis
= awr_WaterServiceUtilityOperationsMember
 
Depreciation and amortization expense 9,941us-gaap_DepreciationDepletionAndAmortization
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ReportableLegalEntitiesMember
/ dei_LegalEntityAxis
= awr_GoldenStateWaterCompanyMember
/ us-gaap_StatementBusinessSegmentsAxis
= awr_WaterServiceUtilityOperationsMember
9,563us-gaap_DepreciationDepletionAndAmortization
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ReportableLegalEntitiesMember
/ dei_LegalEntityAxis
= awr_GoldenStateWaterCompanyMember
/ us-gaap_StatementBusinessSegmentsAxis
= awr_WaterServiceUtilityOperationsMember
 
Income tax expense (benefit) 6,144us-gaap_IncomeTaxExpenseBenefit
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ReportableLegalEntitiesMember
/ dei_LegalEntityAxis
= awr_GoldenStateWaterCompanyMember
/ us-gaap_StatementBusinessSegmentsAxis
= awr_WaterServiceUtilityOperationsMember
4,958us-gaap_IncomeTaxExpenseBenefit
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ReportableLegalEntitiesMember
/ dei_LegalEntityAxis
= awr_GoldenStateWaterCompanyMember
/ us-gaap_StatementBusinessSegmentsAxis
= awr_WaterServiceUtilityOperationsMember
 
Capital additions 16,244us-gaap_PropertyPlantAndEquipmentAdditions
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ReportableLegalEntitiesMember
/ dei_LegalEntityAxis
= awr_GoldenStateWaterCompanyMember
/ us-gaap_StatementBusinessSegmentsAxis
= awr_WaterServiceUtilityOperationsMember
19,324us-gaap_PropertyPlantAndEquipmentAdditions
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ReportableLegalEntitiesMember
/ dei_LegalEntityAxis
= awr_GoldenStateWaterCompanyMember
/ us-gaap_StatementBusinessSegmentsAxis
= awr_WaterServiceUtilityOperationsMember
 
Reportable Legal Entities [Member] | GSWC | Electric      
Details of reportable segment      
Total operating revenues 10,969us-gaap_SalesRevenueNet
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ReportableLegalEntitiesMember
/ dei_LegalEntityAxis
= awr_GoldenStateWaterCompanyMember
/ us-gaap_StatementBusinessSegmentsAxis
= awr_ElectricServiceUtilityOperationsMember
10,456us-gaap_SalesRevenueNet
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ReportableLegalEntitiesMember
/ dei_LegalEntityAxis
= awr_GoldenStateWaterCompanyMember
/ us-gaap_StatementBusinessSegmentsAxis
= awr_ElectricServiceUtilityOperationsMember
 
Operating income (loss) 2,732us-gaap_OperatingIncomeLoss
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ReportableLegalEntitiesMember
/ dei_LegalEntityAxis
= awr_GoldenStateWaterCompanyMember
/ us-gaap_StatementBusinessSegmentsAxis
= awr_ElectricServiceUtilityOperationsMember
2,035us-gaap_OperatingIncomeLoss
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ReportableLegalEntitiesMember
/ dei_LegalEntityAxis
= awr_GoldenStateWaterCompanyMember
/ us-gaap_StatementBusinessSegmentsAxis
= awr_ElectricServiceUtilityOperationsMember
 
Interest expense, net 313us-gaap_InterestIncomeExpenseNonoperatingNet
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ReportableLegalEntitiesMember
/ dei_LegalEntityAxis
= awr_GoldenStateWaterCompanyMember
/ us-gaap_StatementBusinessSegmentsAxis
= awr_ElectricServiceUtilityOperationsMember
334us-gaap_InterestIncomeExpenseNonoperatingNet
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ReportableLegalEntitiesMember
/ dei_LegalEntityAxis
= awr_GoldenStateWaterCompanyMember
/ us-gaap_StatementBusinessSegmentsAxis
= awr_ElectricServiceUtilityOperationsMember
 
Utility plant 44,871us-gaap_PropertyPlantAndEquipmentNet
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ReportableLegalEntitiesMember
/ dei_LegalEntityAxis
= awr_GoldenStateWaterCompanyMember
/ us-gaap_StatementBusinessSegmentsAxis
= awr_ElectricServiceUtilityOperationsMember
40,553us-gaap_PropertyPlantAndEquipmentNet
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ReportableLegalEntitiesMember
/ dei_LegalEntityAxis
= awr_GoldenStateWaterCompanyMember
/ us-gaap_StatementBusinessSegmentsAxis
= awr_ElectricServiceUtilityOperationsMember
 
Depreciation and amortization expense 300us-gaap_DepreciationDepletionAndAmortization
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ReportableLegalEntitiesMember
/ dei_LegalEntityAxis
= awr_GoldenStateWaterCompanyMember
/ us-gaap_StatementBusinessSegmentsAxis
= awr_ElectricServiceUtilityOperationsMember
677us-gaap_DepreciationDepletionAndAmortization
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ReportableLegalEntitiesMember
/ dei_LegalEntityAxis
= awr_GoldenStateWaterCompanyMember
/ us-gaap_StatementBusinessSegmentsAxis
= awr_ElectricServiceUtilityOperationsMember
 
Income tax expense (benefit) 1,103us-gaap_IncomeTaxExpenseBenefit
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ReportableLegalEntitiesMember
/ dei_LegalEntityAxis
= awr_GoldenStateWaterCompanyMember
/ us-gaap_StatementBusinessSegmentsAxis
= awr_ElectricServiceUtilityOperationsMember
747us-gaap_IncomeTaxExpenseBenefit
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ReportableLegalEntitiesMember
/ dei_LegalEntityAxis
= awr_GoldenStateWaterCompanyMember
/ us-gaap_StatementBusinessSegmentsAxis
= awr_ElectricServiceUtilityOperationsMember
 
Capital additions 1,074us-gaap_PropertyPlantAndEquipmentAdditions
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ReportableLegalEntitiesMember
/ dei_LegalEntityAxis
= awr_GoldenStateWaterCompanyMember
/ us-gaap_StatementBusinessSegmentsAxis
= awr_ElectricServiceUtilityOperationsMember
472us-gaap_PropertyPlantAndEquipmentAdditions
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ReportableLegalEntitiesMember
/ dei_LegalEntityAxis
= awr_GoldenStateWaterCompanyMember
/ us-gaap_StatementBusinessSegmentsAxis
= awr_ElectricServiceUtilityOperationsMember
 
Reportable Legal Entities [Member] | ASUS | Contracts      
Details of reportable segment      
Total operating revenues 18,460us-gaap_SalesRevenueNet
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ReportableLegalEntitiesMember
/ dei_LegalEntityAxis
= awr_AmericanStatesUtilityServicesMember
/ us-gaap_StatementBusinessSegmentsAxis
= awr_ContractedServicesMember
20,732us-gaap_SalesRevenueNet
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ReportableLegalEntitiesMember
/ dei_LegalEntityAxis
= awr_AmericanStatesUtilityServicesMember
/ us-gaap_StatementBusinessSegmentsAxis
= awr_ContractedServicesMember
 
Operating income (loss) 2,420us-gaap_OperatingIncomeLoss
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ReportableLegalEntitiesMember
/ dei_LegalEntityAxis
= awr_AmericanStatesUtilityServicesMember
/ us-gaap_StatementBusinessSegmentsAxis
= awr_ContractedServicesMember
2,384us-gaap_OperatingIncomeLoss
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ReportableLegalEntitiesMember
/ dei_LegalEntityAxis
= awr_AmericanStatesUtilityServicesMember
/ us-gaap_StatementBusinessSegmentsAxis
= awr_ContractedServicesMember
 
Interest expense, net 8us-gaap_InterestIncomeExpenseNonoperatingNet
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ReportableLegalEntitiesMember
/ dei_LegalEntityAxis
= awr_AmericanStatesUtilityServicesMember
/ us-gaap_StatementBusinessSegmentsAxis
= awr_ContractedServicesMember
67us-gaap_InterestIncomeExpenseNonoperatingNet
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ReportableLegalEntitiesMember
/ dei_LegalEntityAxis
= awr_AmericanStatesUtilityServicesMember
/ us-gaap_StatementBusinessSegmentsAxis
= awr_ContractedServicesMember
 
Utility plant 4,422us-gaap_PropertyPlantAndEquipmentNet
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ReportableLegalEntitiesMember
/ dei_LegalEntityAxis
= awr_AmericanStatesUtilityServicesMember
/ us-gaap_StatementBusinessSegmentsAxis
= awr_ContractedServicesMember
4,632us-gaap_PropertyPlantAndEquipmentNet
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ReportableLegalEntitiesMember
/ dei_LegalEntityAxis
= awr_AmericanStatesUtilityServicesMember
/ us-gaap_StatementBusinessSegmentsAxis
= awr_ContractedServicesMember
 
Depreciation and amortization expense 307us-gaap_DepreciationDepletionAndAmortization
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ReportableLegalEntitiesMember
/ dei_LegalEntityAxis
= awr_AmericanStatesUtilityServicesMember
/ us-gaap_StatementBusinessSegmentsAxis
= awr_ContractedServicesMember
290us-gaap_DepreciationDepletionAndAmortization
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ReportableLegalEntitiesMember
/ dei_LegalEntityAxis
= awr_AmericanStatesUtilityServicesMember
/ us-gaap_StatementBusinessSegmentsAxis
= awr_ContractedServicesMember
 
Income tax expense (benefit) 871us-gaap_IncomeTaxExpenseBenefit
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ReportableLegalEntitiesMember
/ dei_LegalEntityAxis
= awr_AmericanStatesUtilityServicesMember
/ us-gaap_StatementBusinessSegmentsAxis
= awr_ContractedServicesMember
823us-gaap_IncomeTaxExpenseBenefit
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ReportableLegalEntitiesMember
/ dei_LegalEntityAxis
= awr_AmericanStatesUtilityServicesMember
/ us-gaap_StatementBusinessSegmentsAxis
= awr_ContractedServicesMember
 
Capital additions 72us-gaap_PropertyPlantAndEquipmentAdditions
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ReportableLegalEntitiesMember
/ dei_LegalEntityAxis
= awr_AmericanStatesUtilityServicesMember
/ us-gaap_StatementBusinessSegmentsAxis
= awr_ContractedServicesMember
735us-gaap_PropertyPlantAndEquipmentAdditions
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ReportableLegalEntitiesMember
/ dei_LegalEntityAxis
= awr_AmericanStatesUtilityServicesMember
/ us-gaap_StatementBusinessSegmentsAxis
= awr_ContractedServicesMember
 
Intersegment Eliminations | AWR      
Details of reportable segment      
Total operating revenues 0us-gaap_SalesRevenueNet
/ us-gaap_ConsolidationItemsAxis
= us-gaap_IntersegmentEliminationMember
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0us-gaap_SalesRevenueNet
/ us-gaap_ConsolidationItemsAxis
= us-gaap_IntersegmentEliminationMember
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
 
Operating income (loss) (3)us-gaap_OperatingIncomeLoss
/ us-gaap_ConsolidationItemsAxis
= us-gaap_IntersegmentEliminationMember
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(46)us-gaap_OperatingIncomeLoss
/ us-gaap_ConsolidationItemsAxis
= us-gaap_IntersegmentEliminationMember
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
 
Interest expense, net (6)us-gaap_InterestIncomeExpenseNonoperatingNet
/ us-gaap_ConsolidationItemsAxis
= us-gaap_IntersegmentEliminationMember
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(54)us-gaap_InterestIncomeExpenseNonoperatingNet
/ us-gaap_ConsolidationItemsAxis
= us-gaap_IntersegmentEliminationMember
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
 
Utility plant 0us-gaap_PropertyPlantAndEquipmentNet
/ us-gaap_ConsolidationItemsAxis
= us-gaap_IntersegmentEliminationMember
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0us-gaap_PropertyPlantAndEquipmentNet
/ us-gaap_ConsolidationItemsAxis
= us-gaap_IntersegmentEliminationMember
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
 
Depreciation and amortization expense 0us-gaap_DepreciationDepletionAndAmortization
/ us-gaap_ConsolidationItemsAxis
= us-gaap_IntersegmentEliminationMember
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0us-gaap_DepreciationDepletionAndAmortization
/ us-gaap_ConsolidationItemsAxis
= us-gaap_IntersegmentEliminationMember
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
 
Income tax expense (benefit) (220)us-gaap_IncomeTaxExpenseBenefit
/ us-gaap_ConsolidationItemsAxis
= us-gaap_IntersegmentEliminationMember
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(171)us-gaap_IncomeTaxExpenseBenefit
/ us-gaap_ConsolidationItemsAxis
= us-gaap_IntersegmentEliminationMember
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
 
Capital additions $ 0us-gaap_PropertyPlantAndEquipmentAdditions
/ us-gaap_ConsolidationItemsAxis
= us-gaap_IntersegmentEliminationMember
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
$ 0us-gaap_PropertyPlantAndEquipmentAdditions
/ us-gaap_ConsolidationItemsAxis
= us-gaap_IntersegmentEliminationMember
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember