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

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