XML 59 R49.htm IDEA: XBRL DOCUMENT
v3.19.1

Condensed Consolidating Financial Statements - Condensed Consolidating Statement of Cash Flows (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2019 | Mar. 31, 2018
Operating activities: |  |
Net loss | $ (7,640) | $ (762)
Adjustments to reconcile net income (loss) to net cash provided by operating activities: |  |
Equity loss of subsidiaries | 0 | 0
Dividends received from affiliates | 0 | 0
Depreciation and amortization | 22,893 | 21,207
Change in value of life insurance contracts | (2,254) | 1,137
Allowance for equity funds used during construction | (1,533) | (911)
Changes in operating assets and liabilities: |  |
Changes in operating assets and liabilities | 1,155 | 3,081
Other changes in noncurrent assets and liabilities | 7,520 | 4,500
Net cash provided by operating activities | 20,141 | 28,252
Investing activities: |  |
Utility plant expenditures | (59,881) | (70,650)
Changes in affiliate advances | 0 | 0
Issuance of affiliate short-term borrowings | 0 |
Reduction of affiliates long-term debt | 0 | 0
Net cash used in investing activities | (59,881) | (70,650)
Financing Activities: |  |
Short-term borrowings | 60,000 | 45,022
Repayment of short-term borrowings | 0 | (45,022)
Proceeds from affiliate short-term borrowings | 0 |
Changes in affiliate advances | 0 | 0
Repayment of affiliates long-term borrowings | 0 | 0
Repayment of long-term debt | (226) | (10,224)
Advances and contributions in aid of construction | 6,044 | 4,763
Refunds of advances for construction | (1,790) | (1,918)
Repurchase of common stock | (2,074) | (1,239)
Issuance of common stock | 454 | 0
Dividends paid to non-affiliates | (9,493) | (9,003)
Dividends paid to affiliates | 0 | 0
Net cash provided by (used in) financing activities | 52,915 | (17,621)
Change in cash, cash equivalents, and restricted cash | 13,175 | (60,019)
Cash, cash equivalents, and restricted cash at beginning of period | 47,715 | 95,352
Cash, cash equivalents, and restricted cash at end of period | 60,890 | 35,333
Consolidating Adjustments |  |
Operating activities: |  |
Net loss | 7,749 | 957
Adjustments to reconcile net income (loss) to net cash provided by operating activities: |  |
Equity loss of subsidiaries | (7,734) | (942)
Dividends received from affiliates | (9,493) | (9,003)
Depreciation and amortization | (21) | (22)
Change in value of life insurance contracts | 0 | 0
Allowance for equity funds used during construction | 0 | 0
Changes in operating assets and liabilities: |  |
Changes in operating assets and liabilities | 0 | 0
Other changes in noncurrent assets and liabilities | 6 | 7
Net cash provided by operating activities | (9,493) | (9,003)
Investing activities: |  |
Utility plant expenditures | 0 | 0
Changes in affiliate advances | (1,401) | (562)
Issuance of affiliate short-term borrowings | 4,300 |
Reduction of affiliates long-term debt | (481) | (395)
Net cash used in investing activities | 2,418 | (957)
Financing Activities: |  |
Short-term borrowings | 0 | 0
Repayment of short-term borrowings |  | 0
Proceeds from affiliate short-term borrowings | (4,300) |
Changes in affiliate advances | 1,401 | 562
Repayment of affiliates long-term borrowings | 481 | 395
Repayment of long-term debt | 0 | 0
Advances and contributions in aid of construction | 0 | 0
Refunds of advances for construction | 0 | 0
Repurchase of common stock | 0 | 0
Issuance of common stock | 0 |
Dividends paid to non-affiliates | 0 | 0
Dividends paid to affiliates | 9,493 | 9,003
Net cash provided by (used in) financing activities | 7,075 | 9,960
Change in cash, cash equivalents, and restricted cash | 0 | 0
Cash, cash equivalents, and restricted cash at beginning of period | 0 | 0
Cash, cash equivalents, and restricted cash at end of period | 0 | 0
Parent Company | Reportable Legal Entities |  |
Operating activities: |  |
Net loss | (7,640) | (762)
Adjustments to reconcile net income (loss) to net cash provided by operating activities: |  |
Equity loss of subsidiaries | 7,734 | 942
Dividends received from affiliates | 9,493 | 9,003
Depreciation and amortization | 23 | 23
Change in value of life insurance contracts | 0 | 0
Allowance for equity funds used during construction | 0 | 0
Changes in operating assets and liabilities: |  |
Changes in operating assets and liabilities | (195) | (376)
Other changes in noncurrent assets and liabilities | 2,476 | 806
Net cash provided by operating activities | 11,891 | 9,636
Investing activities: |  |
Utility plant expenditures | 0 | 0
Changes in affiliate advances | 184 | (2,520)
Issuance of affiliate short-term borrowings | (4,300) |
Reduction of affiliates long-term debt | 481 | 395
Net cash used in investing activities | (3,635) | (2,125)
Financing Activities: |  |
Short-term borrowings | 0 | 0
Repayment of short-term borrowings |  | 0
Proceeds from affiliate short-term borrowings | 0 |
Changes in affiliate advances | (17) | 245
Repayment of affiliates long-term borrowings | 0 | 0
Repayment of long-term debt | 0 | 0
Advances and contributions in aid of construction | 0 | 0
Refunds of advances for construction | 0 | 0
Repurchase of common stock | (2,074) | (1,239)
Issuance of common stock | 454 |
Dividends paid to non-affiliates | (9,493) | (9,003)
Dividends paid to affiliates | 0 | 0
Net cash provided by (used in) financing activities | (11,130) | (9,997)
Change in cash, cash equivalents, and restricted cash | (2,874) | (2,486)
Cash, cash equivalents, and restricted cash at beginning of period | 3,779 | 4,728
Cash, cash equivalents, and restricted cash at end of period | 905 | 2,242
Cal Water | Reportable Legal Entities |  |
Operating activities: |  |
Net loss | (7,941) | (937)
Adjustments to reconcile net income (loss) to net cash provided by operating activities: |  |
Equity loss of subsidiaries | 0 | 0
Dividends received from affiliates | 0 | 0
Depreciation and amortization | 21,394 | 20,081
Change in value of life insurance contracts | (2,254) | 1,137
Allowance for equity funds used during construction | (1,533) | (911)
Changes in operating assets and liabilities: |  |
Changes in operating assets and liabilities | (201) | 1,728
Other changes in noncurrent assets and liabilities | 4,951 | 3,585
Net cash provided by operating activities | 14,416 | 24,683
Investing activities: |  |
Utility plant expenditures | (57,410) | (67,841)
Changes in affiliate advances | 1,330 | 3,235
Issuance of affiliate short-term borrowings | 0 |
Reduction of affiliates long-term debt | 0 | 0
Net cash used in investing activities | (56,080) | (64,606)
Financing Activities: |  |
Short-term borrowings | 60,000 | 45,022
Repayment of short-term borrowings |  | (45,022)
Proceeds from affiliate short-term borrowings | 0 |
Changes in affiliate advances | 772 | (423)
Repayment of affiliates long-term borrowings | 0 | 0
Repayment of long-term debt | (171) | (10,158)
Advances and contributions in aid of construction | 5,979 | 4,663
Refunds of advances for construction | (1,789) | (1,908)
Repurchase of common stock | 0 | 0
Issuance of common stock | 0 |
Dividends paid to non-affiliates | 0 | 0
Dividends paid to affiliates | (9,185) | (8,665)
Net cash provided by (used in) financing activities | 55,606 | (16,491)
Change in cash, cash equivalents, and restricted cash | 13,942 | (56,414)
Cash, cash equivalents, and restricted cash at beginning of period | 34,238 | 81,453
Cash, cash equivalents, and restricted cash at end of period | 48,180 | 25,039
All Other Subsidiaries | Reportable Legal Entities |  |
Operating activities: |  |
Net loss | 192 | (20)
Adjustments to reconcile net income (loss) to net cash provided by operating activities: |  |
Equity loss of subsidiaries | 0 | 0
Dividends received from affiliates | 0 | 0
Depreciation and amortization | 1,497 | 1,125
Change in value of life insurance contracts | 0 | 0
Allowance for equity funds used during construction | 0 | 0
Changes in operating assets and liabilities: |  |
Changes in operating assets and liabilities | 1,551 | 1,729
Other changes in noncurrent assets and liabilities | 87 | 102
Net cash provided by operating activities | 3,327 | 2,936
Investing activities: |  |
Utility plant expenditures | (2,471) | (2,809)
Changes in affiliate advances | (113) | (153)
Issuance of affiliate short-term borrowings | 0 |
Reduction of affiliates long-term debt | 0 | 0
Net cash used in investing activities | (2,584) | (2,962)
Financing Activities: |  |
Short-term borrowings | 0 | 0
Repayment of short-term borrowings |  | 0
Proceeds from affiliate short-term borrowings | 4,300 |
Changes in affiliate advances | (2,156) | (384)
Repayment of affiliates long-term borrowings | (481) | (395)
Repayment of long-term debt | (55) | (66)
Advances and contributions in aid of construction | 65 | 100
Refunds of advances for construction | (1) | (10)
Repurchase of common stock | 0 | 0
Issuance of common stock | 0 |
Dividends paid to non-affiliates | 0 | 0
Dividends paid to affiliates | (308) | (338)
Net cash provided by (used in) financing activities | 1,364 | (1,093)
Change in cash, cash equivalents, and restricted cash | 2,107 | (1,119)
Cash, cash equivalents, and restricted cash at beginning of period | 9,698 | 9,171
Cash, cash equivalents, and restricted cash at end of period | $ 11,805 | $ 8,052

X
- Definition The changes in the net cash paid (received) associated with the investment in and advances to the affiliate in relation to financing activities. + References No definition available. + Details
Name: | cwt_ChangeInPaymentsForProceedsFromInvestmentInAndAdvancesToAffiliateRelatedToFinancingActivities
Namespace Prefix: | cwt_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The increase (decrease) during the reporting period in other noncurrent operating assets less other noncurrent operating liabilities not separately disclosed in the statement of cash flows, including the amortization of debt premium and expenses. + References No definition available. + Details
Name: | cwt_IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNetIncludingAmortizationOfDebtPremiumAndExpenses
Namespace Prefix: | cwt_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The net cash paid (received) associated with the investment in and advances to the affiliate in relation to investing activities. + References No definition available. + Details
Name: | cwt_PaymentsForProceedsFromInvestmentInAndAdvancesToAffiliateRelatedToInvestingActivities
Namespace Prefix: | cwt_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Payments for Affiliate Long-term Debt + References No definition available. + Details
Name: | cwt_PaymentsforAffiliateLongtermDebt
Namespace Prefix: | cwt_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Proceeds from Issuance of Short-term Debt from Affiliate + References No definition available. + Details
Name: | cwt_ProceedsfromIssuanceofShorttermDebtfromAffiliate
Namespace Prefix: | cwt_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage. Excludes amount for disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3521-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3044-108585 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=98513485&loc=SL98516268-108586 + Details
Name: | us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of increase (decrease) in cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; excluding effect from exchange rate change. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 230 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=98513438&loc=d3e33268-110906 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3521-108585 + Details
Name: | us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585 + Details
Name: | us-gaap_DepreciationDepletionAndAmortization
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item includes income or expense related to stock-based compensation based on the investor's grant of stock to employees of an equity method investee. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(12)) -URI http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(10)) -URI http://asc.fasb.org/extlink&oid=114873790&loc=SL114874131-224263 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(13)(f)) -URI http://asc.fasb.org/extlink&oid=114873765&loc=SL114874048-224260 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599 Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=109237563&loc=d3e33749-111570 + Details
Name: | us-gaap_IncomeLossFromEquityMethodInvestments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The increase (decrease) during the reporting period of all assets and liabilities used in operating activities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585 + Details
Name: | us-gaap_IncreaseDecreaseInOperatingCapital
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_IncreaseDecreaseInOperatingCapitalAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The change in cash surrender or contract value during the period which adjusted the amount of premiums paid in determining the expense or income recognized under the contract for the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 325 -SubTopic 30 -Section 35 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6384439&loc=d3e42048-111605 + Details
Name: | us-gaap_LifeInsuranceCorporateOrBankOwnedChangeInValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3521-108585 + Details
Name: | us-gaap_NetCashProvidedByUsedInFinancingActivities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3521-108585 + Details
Name: | us-gaap_NetCashProvidedByUsedInInvestingActivities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3536-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3521-108585 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585 + Details
Name: | us-gaap_NetCashProvidedByUsedInOperatingActivities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=109234566&loc=d3e22694-107794 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=109260490&loc=d3e1377-109256 + Details
Name: | us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The cash outflow to reacquire common stock during the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3291-108585 + Details
Name: | us-gaap_PaymentsForRepurchaseOfCommonStock
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The distributions of earnings to an entity that is affiliated with the reporting entity by means of direct or indirect ownership. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3291-108585 + Details
Name: | us-gaap_PaymentsOfDistributionsToAffiliates
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3291-108585 + Details
Name: | us-gaap_PaymentsOfDividendsCommonStock
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The cash outflow for the purchase of a facility and equipment that provides water supply which includes wells, reservoirs, pumping stations, and control facilities; and waste water systems which includes the waste treatment and disposal facility and equipment to households and industry. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3213-108585 + Details
Name: | us-gaap_PaymentsToAcquireWaterAndWasteWaterSystems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The cash inflow from developers, builders, governmental agencies and municipalities that provide the entity with cash to extend its construction services to their properties. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3179-108585 + Details
Name: | us-gaap_ProceedsFromContributionInAidOfConstruction
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The cash inflow from an entity that is affiliated with the entity by means of direct or indirect ownership. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3255-108585 + Details
Name: | us-gaap_ProceedsFromContributionsFromAffiliates
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Dividends received on equity and other investments during the current period. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 16 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3337-108585 + Details
Name: | us-gaap_ProceedsFromDividendsReceived
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The cash inflow from a borrowing having initial term of repayment within one year or the normal operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3255-108585 + Details
Name: | us-gaap_ProceedsFromShortTermDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The cash inflow associated with the amount received from the stock plan during the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3255-108585 + Details
Name: | us-gaap_ProceedsFromStockPlans
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Total increase in earnings in the period representing the cost of equity (based on assumed rate of return) and/or borrowed funds (based on interest rate) used to finance construction of regulated assets, which is expected to be recovered through rate adjustments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 980 -SubTopic 340 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6499975&loc=d3e44278-110382 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 980 -SubTopic 360 -Section 25 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6500269&loc=d3e45485-110386 + Details
Name: | us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The cash outflow for the payments made by the entity, generally on a straight-line basis over periods ranging from five to forty years to developers, builders, government agencies and municipalities for borrowings received in construction. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3213-108585 + Details
Name: | us-gaap_RepaymentsOfAdvancesForConstruction
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3291-108585 + Details
Name: | us-gaap_RepaymentsOfLongTermDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The cash outflow for the payment of a long-term borrowing made from a related party where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth. Alternate caption: Payments for Advances from Affiliates. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3291-108585 + Details
Name: | us-gaap_RepaymentsOfRelatedPartyDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The cash outflow for a borrowing having initial term of repayment within one year or the normal operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3291-108585 + Details
Name: | us-gaap_RepaymentsOfShortTermDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | srt_ConsolidationItemsAxis=srt_ConsolidationEliminationsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ConsolidatedEntitiesAxis=srt_ParentCompanyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ConsolidationItemsAxis=srt_ReportableLegalEntitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ConsolidatedEntitiesAxis=srt_GuarantorSubsidiariesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ConsolidatedEntitiesAxis=srt_NonGuarantorSubsidiariesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |