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CONSOLIDATED STATEMENTS OF CHANGES IN COMMON SHAREHOLDERS' EQUITY (USD $) In Thousands, except Share data, unless otherwise specified | Total | GSWC | Common Stock [Member] | Common Stock [Member] GSWC | Earnings Reinvested in the Business | Earnings Reinvested in the Business GSWC
--- | --- | --- | --- | --- | --- | ---
Balances at Dec. 31, 2011 | $ 408,666 us-gaap_StockholdersEquity | $ 384,806 us-gaap_StockholdersEquity / dei_LegalEntityAxis = awr_GoldenStateWaterCompanyMember | $ 233,306 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | $ 228,936 us-gaap_StockholdersEquity / dei_LegalEntityAxis = awr_GoldenStateWaterCompanyMember / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | $ 175,360 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsUnappropriatedMember | $ 155,870 us-gaap_StockholdersEquity / dei_LegalEntityAxis = awr_GoldenStateWaterCompanyMember / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsUnappropriatedMember
Balances (in shares) at Dec. 31, 2011 |  |  | 37,578,000 us-gaap_CommonStockSharesIssued / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | 146 us-gaap_CommonStockSharesIssued / dei_LegalEntityAxis = awr_GoldenStateWaterCompanyMember / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |
Add: |  |  |  |  |  |
Net Income | 54,148 us-gaap_NetIncomeLoss | 39,220 us-gaap_NetIncomeLoss / dei_LegalEntityAxis = awr_GoldenStateWaterCompanyMember |  |  | 54,148 us-gaap_NetIncomeLoss / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsUnappropriatedMember | 39,220 us-gaap_NetIncomeLoss / dei_LegalEntityAxis = awr_GoldenStateWaterCompanyMember / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsUnappropriatedMember
Issuance of Common Shares | 13,295 us-gaap_StockIssuedDuringPeriodValueNewIssues |  | 13,295 us-gaap_StockIssuedDuringPeriodValueNewIssues / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |
Issuance of Common Shares (in shares) | 77,038 us-gaap_StockIssuedDuringPeriodSharesNewIssues |  | 896,000 us-gaap_StockIssuedDuringPeriodSharesNewIssues / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |
Exercise of stock options (in shares) | 819,400 us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised |  |  |  |  |
Tax benefit from employee stock-based awards | 890 us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation | 895 us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation / dei_LegalEntityAxis = awr_GoldenStateWaterCompanyMember | 890 us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | 895 us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation / dei_LegalEntityAxis = awr_GoldenStateWaterCompanyMember / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |
Compensation on stock-based awards | 1,710 us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue | 1,536 us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue / dei_LegalEntityAxis = awr_GoldenStateWaterCompanyMember | 1,710 us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | 1,536 us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue / dei_LegalEntityAxis = awr_GoldenStateWaterCompanyMember / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |
Dividend equivalent rights on stock-based awards not paid in cash | 121 awr_DividendsEquivalentRightsOnShareBasedCompensationNotPaidInCashNetOfTax | 113 awr_DividendsEquivalentRightsOnShareBasedCompensationNotPaidInCashNetOfTax / dei_LegalEntityAxis = awr_GoldenStateWaterCompanyMember | 121 awr_DividendsEquivalentRightsOnShareBasedCompensationNotPaidInCashNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | 113 awr_DividendsEquivalentRightsOnShareBasedCompensationNotPaidInCashNetOfTax / dei_LegalEntityAxis = awr_GoldenStateWaterCompanyMember / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |
Deduct: |  |  |  |  |  |
Dividends on Common Shares | 24,130 us-gaap_DividendsCommonStock | 10,200 us-gaap_DividendsCommonStock / dei_LegalEntityAxis = awr_GoldenStateWaterCompanyMember |  |  | 24,130 us-gaap_DividendsCommonStock / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsUnappropriatedMember | 10,200 us-gaap_DividendsCommonStock / dei_LegalEntityAxis = awr_GoldenStateWaterCompanyMember / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsUnappropriatedMember
Dividend equivalent rights on stock-based awards | 121 awr_DividendsEquivalentRightsOnShareBasedCompensationNetOfTax | 113 awr_DividendsEquivalentRightsOnShareBasedCompensationNetOfTax / dei_LegalEntityAxis = awr_GoldenStateWaterCompanyMember |  |  | 121 awr_DividendsEquivalentRightsOnShareBasedCompensationNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsUnappropriatedMember | 113 awr_DividendsEquivalentRightsOnShareBasedCompensationNetOfTax / dei_LegalEntityAxis = awr_GoldenStateWaterCompanyMember / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsUnappropriatedMember
Balances at Dec. 31, 2012 | 454,579 us-gaap_StockholdersEquity | 416,257 us-gaap_StockholdersEquity / dei_LegalEntityAxis = awr_GoldenStateWaterCompanyMember | 249,322 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | 231,480 us-gaap_StockholdersEquity / dei_LegalEntityAxis = awr_GoldenStateWaterCompanyMember / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | 205,257 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsUnappropriatedMember | 184,777 us-gaap_StockholdersEquity / dei_LegalEntityAxis = awr_GoldenStateWaterCompanyMember / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsUnappropriatedMember
Balances (in shares) at Dec. 31, 2012 |  |  | 38,474,000 us-gaap_CommonStockSharesIssued / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | 146 us-gaap_CommonStockSharesIssued / dei_LegalEntityAxis = awr_GoldenStateWaterCompanyMember / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |
Add: |  |  |  |  |  |
Net Income | 62,686 us-gaap_NetIncomeLoss | 48,642 us-gaap_NetIncomeLoss / dei_LegalEntityAxis = awr_GoldenStateWaterCompanyMember |  |  | 62,686 us-gaap_NetIncomeLoss / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsUnappropriatedMember | 48,642 us-gaap_NetIncomeLoss / dei_LegalEntityAxis = awr_GoldenStateWaterCompanyMember / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsUnappropriatedMember
Issuance of Common Shares |  | 943 us-gaap_StockIssuedDuringPeriodValueNewIssues / dei_LegalEntityAxis = awr_GoldenStateWaterCompanyMember |  | 943 us-gaap_StockIssuedDuringPeriodValueNewIssues / dei_LegalEntityAxis = awr_GoldenStateWaterCompanyMember / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |
Issuance of Common Shares (in shares) | 114,821 us-gaap_StockIssuedDuringPeriodSharesNewIssues |  |  |  |  |
Exercise of stock options (in shares) | 131,448 us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised |  |  |  |  |
Exercise of stock options and other issuance of Common Shares | 2,111 awr_StockIssuedDuringPeriodValueNewIssuesAndStockOptionsExercised |  | 2,111 awr_StockIssuedDuringPeriodValueNewIssuesAndStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |
Exercise of stock options and other issuance of Common Shares (in shares) |  |  | 247,000 awr_StockIssuedDuringPeriodSharesNewIssuesAndStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |
Tax benefit from employee stock-based awards | 1,026 us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation |  | 1,026 us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |
Compensation on stock-based awards | 1,362 us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue | 1,171 us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue / dei_LegalEntityAxis = awr_GoldenStateWaterCompanyMember | 1,362 us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | 1,171 us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue / dei_LegalEntityAxis = awr_GoldenStateWaterCompanyMember / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |
Dividend equivalent rights on stock-based awards not paid in cash | 140 awr_DividendsEquivalentRightsOnShareBasedCompensationNotPaidInCashNetOfTax | 127 awr_DividendsEquivalentRightsOnShareBasedCompensationNotPaidInCashNetOfTax / dei_LegalEntityAxis = awr_GoldenStateWaterCompanyMember | 140 awr_DividendsEquivalentRightsOnShareBasedCompensationNotPaidInCashNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | 127 awr_DividendsEquivalentRightsOnShareBasedCompensationNotPaidInCashNetOfTax / dei_LegalEntityAxis = awr_GoldenStateWaterCompanyMember / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |
Deduct: |  |  |  |  |  |
Dividends on Common Shares | 29,360 us-gaap_DividendsCommonStock | 29,400 us-gaap_DividendsCommonStock / dei_LegalEntityAxis = awr_GoldenStateWaterCompanyMember |  |  | 29,360 us-gaap_DividendsCommonStock / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsUnappropriatedMember | 29,400 us-gaap_DividendsCommonStock / dei_LegalEntityAxis = awr_GoldenStateWaterCompanyMember / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsUnappropriatedMember
Dividend equivalent rights on stock-based awards | 140 awr_DividendsEquivalentRightsOnShareBasedCompensationNetOfTax | 127 awr_DividendsEquivalentRightsOnShareBasedCompensationNetOfTax / dei_LegalEntityAxis = awr_GoldenStateWaterCompanyMember |  |  | 140 awr_DividendsEquivalentRightsOnShareBasedCompensationNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsUnappropriatedMember | 127 awr_DividendsEquivalentRightsOnShareBasedCompensationNetOfTax / dei_LegalEntityAxis = awr_GoldenStateWaterCompanyMember / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsUnappropriatedMember
Balances at Dec. 31, 2013 | 492,404 us-gaap_StockholdersEquity | 437,613 us-gaap_StockholdersEquity / dei_LegalEntityAxis = awr_GoldenStateWaterCompanyMember | 253,961 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | 233,721 us-gaap_StockholdersEquity / dei_LegalEntityAxis = awr_GoldenStateWaterCompanyMember / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | 238,443 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsUnappropriatedMember | 203,892 us-gaap_StockholdersEquity / dei_LegalEntityAxis = awr_GoldenStateWaterCompanyMember / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsUnappropriatedMember
Balances (in shares) at Dec. 31, 2013 |  |  | 38,721,000 us-gaap_CommonStockSharesIssued / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | 146 us-gaap_CommonStockSharesIssued / dei_LegalEntityAxis = awr_GoldenStateWaterCompanyMember / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |
Add: |  |  |  |  |  |
Net Income | 61,058 us-gaap_NetIncomeLoss | 47,857 us-gaap_NetIncomeLoss / dei_LegalEntityAxis = awr_GoldenStateWaterCompanyMember |  |  | 61,058 us-gaap_NetIncomeLoss / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsUnappropriatedMember | 47,857 us-gaap_NetIncomeLoss / dei_LegalEntityAxis = awr_GoldenStateWaterCompanyMember / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsUnappropriatedMember
Issuance of Common Shares (in shares) | 74,145 us-gaap_StockIssuedDuringPeriodSharesNewIssues |  |  |  |  |
Exercise of stock options (in shares) | 37,006 us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised |  |  |  |  |
Exercise of stock options and other issuance of Common Shares | 589 awr_StockIssuedDuringPeriodValueNewIssuesAndStockOptionsExercised |  | 589 awr_StockIssuedDuringPeriodValueNewIssuesAndStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |
Exercise of stock options and other issuance of Common Shares (in shares) |  |  | 111,000 awr_StockIssuedDuringPeriodSharesNewIssuesAndStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |
Tax benefit from employee stock-based awards | 533 us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation | 514 us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation / dei_LegalEntityAxis = awr_GoldenStateWaterCompanyMember | 533 us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | 514 us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation / dei_LegalEntityAxis = awr_GoldenStateWaterCompanyMember / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |
Compensation on stock-based awards | 1,508 us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue | 1,206 us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue / dei_LegalEntityAxis = awr_GoldenStateWaterCompanyMember | 1,508 us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | 1,206 us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue / dei_LegalEntityAxis = awr_GoldenStateWaterCompanyMember / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |
Dividend equivalent rights on stock-based awards not paid in cash | 197 awr_DividendsEquivalentRightsOnShareBasedCompensationNotPaidInCashNetOfTax | 166 awr_DividendsEquivalentRightsOnShareBasedCompensationNotPaidInCashNetOfTax / dei_LegalEntityAxis = awr_GoldenStateWaterCompanyMember | 197 awr_DividendsEquivalentRightsOnShareBasedCompensationNotPaidInCashNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | 166 awr_DividendsEquivalentRightsOnShareBasedCompensationNotPaidInCashNetOfTax / dei_LegalEntityAxis = awr_GoldenStateWaterCompanyMember / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |
Stock Repurchased During Period, Shares |  |  | 545,000 us-gaap_StockRepurchasedDuringPeriodShares / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |
Stock Repurchased During Period, Value | 17,180 us-gaap_StockRepurchasedDuringPeriodValue |  | 3,589 us-gaap_StockRepurchasedDuringPeriodValue / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  | 13,591 us-gaap_StockRepurchasedDuringPeriodValue / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsUnappropriatedMember |
Deduct: |  |  |  |  |  |
Dividends on Common Shares | 32,111 us-gaap_DividendsCommonStock | 52,000 us-gaap_DividendsCommonStock / dei_LegalEntityAxis = awr_GoldenStateWaterCompanyMember |  |  | 32,111 us-gaap_DividendsCommonStock / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsUnappropriatedMember | 52,000 us-gaap_DividendsCommonStock / dei_LegalEntityAxis = awr_GoldenStateWaterCompanyMember / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsUnappropriatedMember
Dividend equivalent rights on stock-based awards | 197 awr_DividendsEquivalentRightsOnShareBasedCompensationNetOfTax | 166 awr_DividendsEquivalentRightsOnShareBasedCompensationNetOfTax / dei_LegalEntityAxis = awr_GoldenStateWaterCompanyMember |  |  | 197 awr_DividendsEquivalentRightsOnShareBasedCompensationNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsUnappropriatedMember | 166 awr_DividendsEquivalentRightsOnShareBasedCompensationNetOfTax / dei_LegalEntityAxis = awr_GoldenStateWaterCompanyMember / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsUnappropriatedMember
Balances at Dec. 31, 2014 | $ 506,801 us-gaap_StockholdersEquity | $ 435,190 us-gaap_StockholdersEquity / dei_LegalEntityAxis = awr_GoldenStateWaterCompanyMember | $ 253,199 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | $ 235,607 us-gaap_StockholdersEquity / dei_LegalEntityAxis = awr_GoldenStateWaterCompanyMember / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | $ 253,602 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsUnappropriatedMember | $ 199,583 us-gaap_StockholdersEquity / dei_LegalEntityAxis = awr_GoldenStateWaterCompanyMember / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsUnappropriatedMember
Balances (in shares) at Dec. 31, 2014 |  |  | 38,287,000 us-gaap_CommonStockSharesIssued / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | 146 us-gaap_CommonStockSharesIssued / dei_LegalEntityAxis = awr_GoldenStateWaterCompanyMember / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |

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