2017 Form 10-K Financial Statement
#000105690318000006 Filed on February 26, 2018
Income Statement
| Concept | 2017 | 2016 Q4 | 2016 Q3 |
|---|---|---|---|
| Revenue | $440.6M | $106.8M | $123.8M |
| YoY Change | 1.04% | -3.0% | -6.9% |
| Cost Of Revenue | $49.84M | $20.00M | $25.00M |
| YoY Change | -40.31% | -3.85% | 6.84% |
| Gross Profit | $390.8M | $86.80M | $98.80M |
| YoY Change | 10.82% | -2.8% | -9.85% |
| Gross Profit Margin | 88.69% | 81.27% | 79.8% |
| Selling, General & Admin | $81.60M | $19.70M | $19.80M |
| YoY Change | 0.12% | -3.9% | 2.59% |
| % of Gross Profit | 20.88% | 22.7% | 20.04% |
| Research & Development | |||
| YoY Change | |||
| % of Gross Profit | |||
| Depreciation & Amortization | $39.03M | $10.00M | $9.486M |
| YoY Change | 0.47% | -5.66% | -9.76% |
| % of Gross Profit | 9.99% | 11.52% | 9.6% |
| Operating Expenses | $313.5M | $65.20M | $84.19M |
| YoY Change | -2.61% | -3.26% | -8.28% |
| Operating Profit | $127.1M | $22.09M | $39.62M |
| YoY Change | 11.3% | 0.88% | -3.81% |
| Interest Expense | $22.58M | -$4.800M | $5.730M |
| YoY Change | 2.68% | 2.13% | 4.49% |
| % of Operating Profit | 17.77% | -21.73% | 14.46% |
| Other Income/Expense, Net | -$18.75M | $600.0K | -$5.270M |
| YoY Change | -4.87% | 50.0% | -7.74% |
| Pretax Income | $108.3M | $17.40M | $34.35M |
| YoY Change | 14.67% | -0.57% | -3.17% |
| Income Tax | $38.97M | $6.200M | $12.71M |
| % Of Pretax Income | 35.97% | 35.63% | 37.0% |
| Net Earnings | $69.37M | $11.21M | $21.64M |
| YoY Change | 16.11% | -3.34% | 2.66% |
| Net Earnings / Revenue | 15.74% | 10.5% | 17.48% |
| Basic Earnings Per Share | $1.88 | $0.59 | |
| Diluted Earnings Per Share | $1.88 | $304.3K | $0.59 |
| COMMON SHARES | |||
| Basic Shares Outstanding | 36.64M shares | 36.57M shares | 36.56M shares |
| Diluted Shares Outstanding | 36.84M shares | 36.76M shares |
Balance Sheet
| Concept | 2017 | 2016 Q4 | 2016 Q3 |
|---|---|---|---|
| SHORT-TERM ASSETS | |||
| Cash & Short-Term Investments | $200.0K | $400.0K | $2.800M |
| YoY Change | -50.0% | -90.91% | -89.74% |
| Cash & Equivalents | $200.0K | $436.0K | $2.789M |
| Short-Term Investments | |||
| Other Short-Term Assets | $66.20M | $71.40M | $57.20M |
| YoY Change | -7.28% | 35.23% | 25.99% |
| Inventory | $46.20M | $45.50M | $42.10M |
| Prepaid Expenses | |||
| Receivables | $38.10M | $19.99M | $22.91M |
| Other Receivables | $4.700M | $17.90M | $100.0K |
| Total Short-Term Assets | $155.5M | $166.9M | $136.9M |
| YoY Change | -6.83% | 25.76% | 1.03% |
| LONG-TERM ASSETS | |||
| Property, Plant & Equipment | $1.229B | $1.151B | $1.129B |
| YoY Change | 4.89% | 8.5% | 9.35% |
| Goodwill | $1.116M | $1.116M | |
| YoY Change | 0.0% | 0.0% | |
| Intangibles | |||
| YoY Change | |||
| Long-Term Investments | |||
| YoY Change | |||
| Other Assets | $31.10M | $5.068M | $6.773M |
| YoY Change | -76.21% | -24.92% | -28.77% |
| Total Long-Term Assets | $1.261B | $1.304B | $1.304B |
| YoY Change | -3.25% | 7.62% | 6.67% |
| TOTAL ASSETS | |||
| Total Short-Term Assets | $155.5M | $166.9M | $136.9M |
| Total Long-Term Assets | $1.261B | $1.304B | $1.304B |
| Total Assets | $1.417B | $1.470B | $1.440B |
| YoY Change | -3.66% | 9.42% | 6.11% |
| SHORT-TERM LIABILITIES | |||
| YoY Change | |||
| Accounts Payable | $51.00M | $43.72M | $48.23M |
| YoY Change | 16.7% | -13.56% | 3.68% |
| Accrued Expenses | $20.30M | $3.864M | $6.595M |
| YoY Change | -5.14% | 6.56% | 4.98% |
| Deferred Revenue | |||
| YoY Change | |||
| Short-Term Debt | $59.00M | $90.00M | $77.00M |
| YoY Change | -34.44% | 221.43% | 413.33% |
| Long-Term Debt Due | $300.0K | $330.0K | $330.0K |
| YoY Change | 0.0% | 5.77% | 5.77% |
| Total Short-Term Liabilities | $156.7M | $177.9M | $179.8M |
| YoY Change | -11.92% | 44.08% | 45.07% |
| LONG-TERM LIABILITIES | |||
| Long-Term Debt | $321.0M | $321.0M | $320.9M |
| YoY Change | 0.0% | 0.03% | -1.43% |
| Other Long-Term Liabilities | $293.4M | $11.12M | $10.13M |
| YoY Change | 16.11% | 4.61% | 52.1% |
| Total Long-Term Liabilities | $614.4M | $332.1M | $331.0M |
| YoY Change | 7.09% | 0.17% | -0.36% |
| TOTAL LIABILITIES | |||
| Total Short-Term Liabilities | $156.7M | $177.9M | $179.8M |
| Total Long-Term Liabilities | $614.4M | $332.1M | $331.0M |
| Total Liabilities | $886.8M | $510.0M | $510.9M |
| YoY Change | -9.16% | 12.09% | 11.99% |
| SHAREHOLDERS EQUITY | |||
| Retained Earnings | $247.1M | $244.7M | |
| YoY Change | 11.83% | 8.44% | |
| Common Stock | $247.2M | $246.1M | |
| YoY Change | 0.9% | 0.71% | |
| Preferred Stock | |||
| YoY Change | |||
| Treasury Stock (at cost) | |||
| YoY Change | |||
| Treasury Stock Shares | |||
| Shareholders Equity | $529.9M | $494.3M | $490.8M |
| YoY Change | |||
| Total Liabilities & Shareholders Equity | $1.417B | $1.470B | $1.440B |
| YoY Change | -3.66% | 9.42% | 5.74% |
Cashflow Statement
| Concept | 2017 | 2016 Q4 | 2016 Q3 |
|---|---|---|---|
| OPERATING ACTIVITIES | |||
| Net Income | $69.37M | $11.21M | $21.64M |
| YoY Change | 16.11% | -3.34% | 2.66% |
| Depreciation, Depletion And Amortization | $39.03M | $10.00M | $9.486M |
| YoY Change | 0.47% | -5.66% | -9.76% |
| Cash From Operating Activities | $144.6M | $19.40M | $29.00M |
| YoY Change | 49.1% | 115.56% | 25.54% |
| INVESTING ACTIVITIES | |||
| Capital Expenditures | $113.1M | -$30.00M | -$34.60M |
| YoY Change | -12.89% | 9.09% | 35.16% |
| Acquisitions | |||
| YoY Change | |||
| Other Investing Activities | $1.229M | $0.00 | -$1.300M |
| YoY Change | -187.79% | -100.0% | 1200.0% |
| Cash From Investing Activities | -$80.03M | -$29.80M | -$35.90M |
| YoY Change | -39.01% | 3.47% | 39.69% |
| FINANCING ACTIVITIES | |||
| Cash Dividend Paid | $36.42M | $8.200M | |
| YoY Change | 9.01% | -1.2% | |
| Common Stock Issuance & Retirement, Net | $0.00 | ||
| YoY Change | |||
| Debt Paid & Issued, Net | $329.0K | ||
| YoY Change | 5.11% | ||
| Cash From Financing Activities | -$64.74M | 8.000M | 5.200M |
| YoY Change | -313.36% | -358.06% | -137.14% |
| NET CHANGE | |||
| Cash From Operating Activities | $144.6M | 19.40M | 29.00M |
| Cash From Investing Activities | -$80.03M | -29.80M | -35.90M |
| Cash From Financing Activities | -$64.74M | 8.000M | 5.200M |
| Net Change In Cash | -$222.0K | -2.400M | -1.700M |
| YoY Change | -94.35% | -89.52% | -89.76% |
| FREE CASH FLOW | |||
| Cash From Operating Activities | $144.6M | $19.40M | $29.00M |
| Capital Expenditures | $113.1M | -$30.00M | -$34.60M |
| Free Cash Flow | $31.43M | $49.40M | $63.60M |
| YoY Change | -195.47% | 35.34% | 30.6% |
Facts In Submission
| Frame | Concept Type | Concept / XBRL Key | Value | Unit |
|---|---|---|---|---|
| CY2016Q4 | awr |
Accounts Receivable From Us Government Net Current
AccountsReceivableFromUSGovernmentNetCurrent
|
8467000 | USD |
| CY2017Q4 | awr |
Accounts Receivable From Us Government Net Current
AccountsReceivableFromUSGovernmentNetCurrent
|
3725000 | USD |
| CY2016Q4 | awr |
Accumulated Unrealized Loss On Energy Contracts
AccumulatedUnrealizedLossOnEnergyContracts
|
4901000 | USD |
| CY2017Q4 | awr |
Accumulated Unrealized Loss On Energy Contracts
AccumulatedUnrealizedLossOnEnergyContracts
|
2941000 | USD |
| CY2015 | awr |
Allowance For Doubtful Accounts Receivable Charge Offs Net Of Recoveries
AllowanceForDoubtfulAccountsReceivableChargeOffsNetOfRecoveries
|
-818000 | USD |
| CY2016 | awr |
Allowance For Doubtful Accounts Receivable Charge Offs Net Of Recoveries
AllowanceForDoubtfulAccountsReceivableChargeOffsNetOfRecoveries
|
-799000 | USD |
| CY2017 | awr |
Allowance For Doubtful Accounts Receivable Charge Offs Net Of Recoveries
AllowanceForDoubtfulAccountsReceivableChargeOffsNetOfRecoveries
|
-712000 | USD |
| CY2015Q4 | awr |
Allowance For Doubtful Accounts Related To Other Accounts Receivable
AllowanceForDoubtfulAccountsRelatedToOtherAccountsReceivable
|
154000 | USD |
| CY2016Q4 | awr |
Allowance For Doubtful Accounts Related To Other Accounts Receivable
AllowanceForDoubtfulAccountsRelatedToOtherAccountsReceivable
|
62000 | USD |
| CY2017Q4 | awr |
Allowance For Doubtful Accounts Related To Other Accounts Receivable
AllowanceForDoubtfulAccountsRelatedToOtherAccountsReceivable
|
235000 | USD |
| CY2015Q4 | awr |
Allowance For Doubtful Accounts Related To Receivable From Customer
AllowanceForDoubtfulAccountsRelatedToReceivableFromCustomer
|
790000 | USD |
| CY2016Q4 | awr |
Allowance For Doubtful Accounts Related To Receivable From Customer
AllowanceForDoubtfulAccountsRelatedToReceivableFromCustomer
|
702000 | USD |
| CY2017Q4 | awr |
Allowance For Doubtful Accounts Related To Receivable From Customer
AllowanceForDoubtfulAccountsRelatedToReceivableFromCustomer
|
806000 | USD |
| CY2016Q4 | awr |
Assets Other Than Property Plant And Equipment Net
AssetsOtherThanPropertyPlantAndEquipmentNet
|
319567000 | USD |
| CY2017Q4 | awr |
Assets Other Than Property Plant And Equipment Net
AssetsOtherThanPropertyPlantAndEquipmentNet
|
211742000 | USD |
| CY2016Q4 | awr |
Deferred Tax Assets Contributions And Advances
DeferredTaxAssetsContributionsAndAdvances
|
7464000 | USD |
| CY2017Q4 | awr |
Deferred Tax Assets Contributions And Advances
DeferredTaxAssetsContributionsAndAdvances
|
4679000 | USD |
| CY2016Q4 | awr |
Deferred Tax Assets Other Nonproperty
DeferredTaxAssetsOtherNonproperty
|
1993000 | USD |
| CY2017Q4 | awr |
Deferred Tax Assets Other Nonproperty
DeferredTaxAssetsOtherNonproperty
|
2509000 | USD |
| CY2016Q4 | awr |
Deferred Tax Assets Regulatory Assets And Liabilities Related To Itc And Excess Deferred Taxes
DeferredTaxAssetsRegulatoryAssetsAndLiabilitiesRelatedToITCAndExcessDeferredTaxes
|
903000 | USD |
| CY2017Q4 | awr |
Deferred Tax Assets Regulatory Assets And Liabilities Related To Itc And Excess Deferred Taxes
DeferredTaxAssetsRegulatoryAssetsAndLiabilitiesRelatedToITCAndExcessDeferredTaxes
|
32761000 | USD |
| CY2016Q4 | awr |
Deferred Tax Assets Regulatory Assets And Liabilities Related To State Franchise Tax
DeferredTaxAssetsRegulatoryAssetsAndLiabilitiesRelatedToStateFranchiseTax
|
3365000 | USD |
| CY2017Q4 | awr |
Deferred Tax Assets Regulatory Assets And Liabilities Related To State Franchise Tax
DeferredTaxAssetsRegulatoryAssetsAndLiabilitiesRelatedToStateFranchiseTax
|
1806000 | USD |
| CY2016Q4 | awr |
Deferred Tax Liabilities Balancing And Memorandum Accounts
DeferredTaxLiabilitiesBalancingAndMemorandumAccounts
|
7010000 | USD |
| CY2017Q4 | awr |
Deferred Tax Liabilities Balancing And Memorandum Accounts
DeferredTaxLiabilitiesBalancingAndMemorandumAccounts
|
7311000 | USD |
| CY2016Q4 | awr |
Deferred Tax Liabilities Other Nonproperty
DeferredTaxLiabilitiesOtherNonproperty
|
0 | USD |
| CY2017Q4 | awr |
Deferred Tax Liabilities Other Nonproperty
DeferredTaxLiabilitiesOtherNonproperty
|
47000 | USD |
| CY2016Q4 | awr |
Deferred Tax Liabilities Regulatory Assetsand Liabilities Relatedto State Franchise Tax
DeferredTaxLiabilitiesRegulatoryAssetsandLiabilitiesRelatedtoStateFranchiseTax
|
2033000 | USD |
| CY2017Q4 | awr |
Deferred Tax Liabilities Regulatory Assetsand Liabilities Relatedto State Franchise Tax
DeferredTaxLiabilitiesRegulatoryAssetsandLiabilitiesRelatedtoStateFranchiseTax
|
528000 | USD |
| CY2017 | awr |
Defined Benefit Plan Initial Health Care Cost Trend Rate For Employees Of Age Sixty Five And Over
DefinedBenefitPlanInitialHealthCareCostTrendRateForEmployeesOfAgeSixtyFiveAndOver
|
0.062 | |
| CY2017 | awr |
Defined Benefit Plan Initial Health Care Cost Trend Rate For Employees Under Age Sixty Five
DefinedBenefitPlanInitialHealthCareCostTrendRateForEmployeesUnderAgeSixtyFive
|
0.062 | |
| CY2017 | awr |
Defined Benefit Plan Ultimate Health Care Cost Trend Rate For Employees Of Age Sixty Five And Over
DefinedBenefitPlanUltimateHealthCareCostTrendRateForEmployeesOfAgeSixtyFiveAndOver
|
0.044 | |
| CY2017 | awr |
Defined Benefit Plan Ultimate Health Care Cost Trend Rate For Employees Under Age Sixty Five
DefinedBenefitPlanUltimateHealthCareCostTrendRateForEmployeesUnderAgeSixtyFive
|
0.045 | |
| CY2017Q4 | awr |
Defined Contribution Plan Common Stock Capital Shares Reserved For Future Issuance
DefinedContributionPlanCommonStockCapitalSharesReservedForFutureIssuance
|
387300 | shares |
| CY2017Q4 | awr |
Dividend Reinvestment Plan Common Stock Capital Shares Reserved For Future Issuance
DividendReinvestmentPlanCommonStockCapitalSharesReservedForFutureIssuance
|
1055948 | shares |
| CY2015 | awr |
Dividends Equivalent Rights On Share Based Compensation Net Of Tax
DividendsEquivalentRightsOnShareBasedCompensationNetOfTax
|
270000 | USD |
| CY2016 | awr |
Dividends Equivalent Rights On Share Based Compensation Net Of Tax
DividendsEquivalentRightsOnShareBasedCompensationNetOfTax
|
193000 | USD |
| CY2017 | awr |
Dividends Equivalent Rights On Share Based Compensation Net Of Tax
DividendsEquivalentRightsOnShareBasedCompensationNetOfTax
|
194000 | USD |
| CY2015 | awr |
Dividends Equivalent Rights On Share Based Compensation Not Paid In Cash Net Of Tax
DividendsEquivalentRightsOnShareBasedCompensationNotPaidInCashNetOfTax
|
270000 | USD |
| CY2016 | awr |
Dividends Equivalent Rights On Share Based Compensation Not Paid In Cash Net Of Tax
DividendsEquivalentRightsOnShareBasedCompensationNotPaidInCashNetOfTax
|
193000 | USD |
| CY2017 | awr |
Dividends Equivalent Rights On Share Based Compensation Not Paid In Cash Net Of Tax
DividendsEquivalentRightsOnShareBasedCompensationNotPaidInCashNetOfTax
|
194000 | USD |
| CY2015 | awr |
Effectiveincometaxratereconciliation2017effectivetaxrateimpactfromtaxcutsandjobact
Effectiveincometaxratereconciliation2017effectivetaxrateimpactfromtaxcutsandjobact
|
0 | USD |
| CY2016 | awr |
Effectiveincometaxratereconciliation2017effectivetaxrateimpactfromtaxcutsandjobact
Effectiveincometaxratereconciliation2017effectivetaxrateimpactfromtaxcutsandjobact
|
0 | USD |
| CY2017 | awr |
Effectiveincometaxratereconciliation2017effectivetaxrateimpactfromtaxcutsandjobact
Effectiveincometaxratereconciliation2017effectivetaxrateimpactfromtaxcutsandjobact
|
82000 | USD |
| CY2017Q4 | awr |
Finite Lived Intangible Assets Estimated Future Amortization Expense
FiniteLivedIntangibleAssetsEstimatedFutureAmortizationExpense
|
5357000 | USD |
| CY2016 | awr |
Goodwill Acquired In Prior Period
GoodwillAcquiredInPriorPeriod
|
1100000 | USD |
| CY2017 | awr |
Goodwill Acquired In Prior Period
GoodwillAcquiredInPriorPeriod
|
1100000 | USD |
| CY2015 | awr |
Groundwater Production Assessment
GroundwaterProductionAssessment
|
13648000 | USD |
| CY2016 | awr |
Groundwater Production Assessment
GroundwaterProductionAssessment
|
14993000 | USD |
| CY2017 | awr |
Groundwater Production Assessment
GroundwaterProductionAssessment
|
18638000 | USD |
| CY2015 | awr |
Income Tax Reconciliation Costof Removal
IncomeTaxReconciliationCostofRemoval
|
929000 | USD |
| CY2016 | awr |
Income Tax Reconciliation Costof Removal
IncomeTaxReconciliationCostofRemoval
|
2068000 | USD |
| CY2017 | awr |
Income Tax Reconciliation Costof Removal
IncomeTaxReconciliationCostofRemoval
|
1980000 | USD |
| CY2015 | awr |
Income Tax Reconciliation Flow Through On Pension Costs
IncomeTaxReconciliationFlowThroughOnPensionCosts
|
267000 | USD |
| CY2016 | awr |
Income Tax Reconciliation Flow Through On Pension Costs
IncomeTaxReconciliationFlowThroughOnPensionCosts
|
-247000 | USD |
| CY2017 | awr |
Income Tax Reconciliation Flow Through On Pension Costs
IncomeTaxReconciliationFlowThroughOnPensionCosts
|
412000 | USD |
| CY2015 | awr |
Income Tax Reconciliation Production Activities
IncomeTaxReconciliationProductionActivities
|
1560000 | USD |
| CY2016 | awr |
Income Tax Reconciliation Production Activities
IncomeTaxReconciliationProductionActivities
|
78000 | USD |
| CY2017 | awr |
Income Tax Reconciliation Production Activities
IncomeTaxReconciliationProductionActivities
|
1421000 | USD |
| CY2015 | awr |
Increase Decrease In Costs In Excess Of Billings On Uncompleted Contracts Or Programs
IncreaseDecreaseInCostsInExcessOfBillingsOnUncompletedContractsOrPrograms
|
3223000 | USD |
| CY2016 | awr |
Increase Decrease In Costs In Excess Of Billings On Uncompleted Contracts Or Programs
IncreaseDecreaseInCostsInExcessOfBillingsOnUncompletedContractsOrPrograms
|
10433000 | USD |
| CY2017 | awr |
Increase Decrease In Costs In Excess Of Billings On Uncompleted Contracts Or Programs
IncreaseDecreaseInCostsInExcessOfBillingsOnUncompletedContractsOrPrograms
|
2881000 | USD |
| CY2015 | awr |
Increase Decrease Receivable From Government
IncreaseDecreaseReceivableFromGovernment
|
-848000 | USD |
| CY2016 | awr |
Increase Decrease Receivable From Government
IncreaseDecreaseReceivableFromGovernment
|
2606000 | USD |
| CY2017 | awr |
Increase Decrease Receivable From Government
IncreaseDecreaseReceivableFromGovernment
|
-4742000 | USD |
| CY2016Q4 | awr |
Non Utilities Property Plant And Equipment Gross
NonUtilitiesPropertyPlantAndEquipmentGross
|
11897000 | USD |
| CY2017Q4 | awr |
Non Utilities Property Plant And Equipment Gross
NonUtilitiesPropertyPlantAndEquipmentGross
|
15592000 | USD |
| CY2017 | awr |
Number Of Registrants Filing Combined Report
NumberOfRegistrantsFilingCombinedReport
|
2 | registrant |
| CY2017 | awr |
Number Of Stock Incentive Plans
NumberOfStockIncentivePlans
|
5 | stock_plan |
| CY2015 | awr |
Payments For Proceeds From Notes Payable To Bank
PaymentsForProceedsFromNotesPayableToBank
|
-28000000 | USD |
| CY2016 | awr |
Payments For Proceeds From Notes Payable To Bank
PaymentsForProceedsFromNotesPayableToBank
|
-62000000 | USD |
| CY2017 | awr |
Payments For Proceeds From Notes Payable To Bank
PaymentsForProceedsFromNotesPayableToBank
|
31000000 | USD |
| CY2015 | awr |
Power Purchased For Pumping
PowerPurchasedForPumping
|
8988000 | USD |
| CY2016 | awr |
Power Purchased For Pumping
PowerPurchasedForPumping
|
8663000 | USD |
| CY2017 | awr |
Power Purchased For Pumping
PowerPurchasedForPumping
|
8518000 | USD |
| CY2015 | awr |
Proceeds From Issuance Of Common Shares And Stock Option Exercises
ProceedsFromIssuanceOfCommonSharesAndStockOptionExercises
|
1198000 | USD |
| CY2016 | awr |
Proceeds From Issuance Of Common Shares And Stock Option Exercises
ProceedsFromIssuanceOfCommonSharesAndStockOptionExercises
|
235000 | USD |
| CY2017 | awr |
Proceeds From Issuance Of Common Shares And Stock Option Exercises
ProceedsFromIssuanceOfCommonSharesAndStockOptionExercises
|
909000 | USD |
| CY2015 | awr |
Proceedsfrom Stock Options Exercised Distributedto Subsidiaries
ProceedsfromStockOptionsExercisedDistributedtoSubsidiaries
|
0 | USD |
| CY2016 | awr |
Proceedsfrom Stock Options Exercised Distributedto Subsidiaries
ProceedsfromStockOptionsExercisedDistributedtoSubsidiaries
|
0 | USD |
| CY2017 | awr |
Proceedsfrom Stock Options Exercised Distributedto Subsidiaries
ProceedsfromStockOptionsExercisedDistributedtoSubsidiaries
|
0 | USD |
| CY2016Q4 | awr |
Property Plant And Equipment And Investments Other And Goodwill Net
PropertyPlantAndEquipmentAndInvestmentsOtherAndGoodwillNet
|
21952000 | USD |
| CY2017Q4 | awr |
Property Plant And Equipment And Investments Other And Goodwill Net
PropertyPlantAndEquipmentAndInvestmentsOtherAndGoodwillNet
|
25186000 | USD |
| CY2016Q4 | awr |
Property Plant And Equipment And Investments Other Net
PropertyPlantAndEquipmentAndInvestmentsOtherNet
|
20836000 | USD |
| CY2017Q4 | awr |
Property Plant And Equipment And Investments Other Net
PropertyPlantAndEquipmentAndInvestmentsOtherNet
|
24070000 | USD |
| CY2016Q4 | awr |
Property Plant And Equipment Before Construction Work In Progress
PropertyPlantAndEquipmentBeforeConstructionWorkInProgress
|
1087572000 | USD |
| CY2017Q4 | awr |
Property Plant And Equipment Before Construction Work In Progress
PropertyPlantAndEquipmentBeforeConstructionWorkInProgress
|
1141157000 | USD |
| CY2015 | awr |
Provision For Doubtful Accounts Continuing Operation
ProvisionForDoubtfulAccountsContinuingOperation
|
870000 | USD |
| CY2016 | awr |
Provision For Doubtful Accounts Continuing Operation
ProvisionForDoubtfulAccountsContinuingOperation
|
619000 | USD |
| CY2017 | awr |
Provision For Doubtful Accounts Continuing Operation
ProvisionForDoubtfulAccountsContinuingOperation
|
989000 | USD |
| CY2016Q4 | awr |
Regulatory And Other Assets
RegulatoryAndOtherAssets
|
130740000 | USD |
| CY2017Q4 | awr |
Regulatory And Other Assets
RegulatoryAndOtherAssets
|
31093000 | USD |
| CY2017Q4 | awr |
Regulatory Asset Not Accruing Carrying Costs
RegulatoryAssetNotAccruingCarryingCosts
|
59100000 | USD |
| CY2017 | awr |
Share Based Compensation Arrangementsby Share Based Payment Award Options Minimum Agefor Awardsto Vest Immediately
ShareBasedCompensationArrangementsbyShareBasedPaymentAwardOptionsMinimumAgeforAwardstoVestImmediately
|
P55Y | |
| CY2016 | awr |
Stock Issued During Period Value New Issues And Stock Options Exercised
StockIssuedDuringPeriodValueNewIssuesAndStockOptionsExercised
|
235000 | USD |
| CY2017 | awr |
Stock Issued During Period Value New Issues And Stock Options Exercised
StockIssuedDuringPeriodValueNewIssuesAndStockOptionsExercised
|
909000 | USD |
| CY2015 | awr |
Supply Cost Balancing Accounts
SupplyCostBalancingAccounts
|
7785000 | USD |
| CY2016 | awr |
Supply Cost Balancing Accounts
SupplyCostBalancingAccounts
|
-12206000 | USD |
| CY2017 | awr |
Supply Cost Balancing Accounts
SupplyCostBalancingAccounts
|
-17939000 | USD |
| CY2017 | awr |
Tax Cuts And Jobs Act Of2017 Incomplete Accounting Change In Tax Rate Deferred Tax Asset Provisional Income Tax Expense
TaxCutsAndJobsActOf2017IncompleteAccountingChangeInTaxRateDeferredTaxAssetProvisionalIncomeTaxExpense
|
90100000 | USD |
| CY2015 | awr |
Undistributed Earnings Allocated To Common Stock
UndistributedEarningsAllocatedToCommonStock
|
27414000 | USD |
| CY2016 | awr |
Undistributed Earnings Allocated To Common Stock
UndistributedEarningsAllocatedToCommonStock
|
26003000 | USD |
| CY2017 | awr |
Undistributed Earnings Allocated To Common Stock
UndistributedEarningsAllocatedToCommonStock
|
32577000 | USD |
| CY2016Q4 | awr |
Utilities Electric Property Plant And Equipment Gross
UtilitiesElectricPropertyPlantAndEquipmentGross
|
94009000 | USD |
| CY2017Q4 | awr |
Utilities Electric Property Plant And Equipment Gross
UtilitiesElectricPropertyPlantAndEquipmentGross
|
99726000 | USD |
| CY2016Q4 | awr |
Utilities Property Plant And Equipment Gross
UtilitiesPropertyPlantAndEquipmentGross
|
1608428000 | USD |
| CY2017Q4 | awr |
Utilities Property Plant And Equipment Gross
UtilitiesPropertyPlantAndEquipmentGross
|
1658935000 | USD |
| CY2016Q4 | awr |
Utilities Water Property Plant And Equipment Gross
UtilitiesWaterPropertyPlantAndEquipmentGross
|
1514419000 | USD |
| CY2017Q4 | awr |
Utilities Water Property Plant And Equipment Gross
UtilitiesWaterPropertyPlantAndEquipmentGross
|
1559209000 | USD |
| CY2015 | awr |
Weighted Average Dividends Common Stock
WeightedAverageDividendsCommonStock
|
32690000 | USD |
| CY2016 | awr |
Weighted Average Dividends Common Stock
WeightedAverageDividendsCommonStock
|
33408000 | USD |
| CY2017 | awr |
Weighted Average Dividends Common Stock
WeightedAverageDividendsCommonStock
|
36417000 | USD |
| CY2017 | dei |
Amendment Flag
AmendmentFlag
|
false | |
| CY2017 | dei |
Current Fiscal Year End Date
CurrentFiscalYearEndDate
|
--12-31 | |
| CY2017 | dei |
Document Fiscal Period Focus
DocumentFiscalPeriodFocus
|
FY | |
| CY2017 | dei |
Document Fiscal Year Focus
DocumentFiscalYearFocus
|
2017 | |
| CY2017 | dei |
Document Period End Date
DocumentPeriodEndDate
|
2017-12-31 | |
| CY2017 | dei |
Document Type
DocumentType
|
10-K | |
| CY2017 | dei |
Entity Central Index Key
EntityCentralIndexKey
|
0001056903 | |
| CY2018Q1 | dei |
Entity Common Stock Shares Outstanding
EntityCommonStockSharesOutstanding
|
36715525 | shares |
| CY2017 | dei |
Entity Current Reporting Status
EntityCurrentReportingStatus
|
Yes | |
| CY2017 | dei |
Entity Filer Category
EntityFilerCategory
|
Large Accelerated Filer | |
| CY2017Q2 | dei |
Entity Public Float
EntityPublicFloat
|
1737328000 | USD |
| CY2018Q1 | dei |
Entity Public Float
EntityPublicFloat
|
1963913000 | USD |
| CY2017 | dei |
Entity Registrant Name
EntityRegistrantName
|
AMERICAN STATES WATER CO | |
| CY2017 | dei |
Entity Voluntary Filers
EntityVoluntaryFilers
|
No | |
| CY2017 | dei |
Entity Well Known Seasoned Issuer
EntityWellKnownSeasonedIssuer
|
Yes | |
| CY2016Q4 | us-gaap |
Accounts And Other Receivables Net Current
AccountsAndOtherReceivablesNetCurrent
|
3151000 | USD |
| CY2017Q4 | us-gaap |
Accounts And Other Receivables Net Current
AccountsAndOtherReceivablesNetCurrent
|
8251000 | USD |
| CY2016Q4 | us-gaap |
Accounts Payable Current
AccountsPayableCurrent
|
43724000 | USD |
| CY2017Q4 | us-gaap |
Accounts Payable Current
AccountsPayableCurrent
|
50978000 | USD |
| CY2016Q4 | us-gaap |
Accounts Receivable Net Current
AccountsReceivableNetCurrent
|
19993000 | USD |
| CY2017Q4 | us-gaap |
Accounts Receivable Net Current
AccountsReceivableNetCurrent
|
26127000 | USD |
| CY2016Q4 | us-gaap |
Accrual For Taxes Other Than Income Taxes Current
AccrualForTaxesOtherThanIncomeTaxesCurrent
|
9112000 | USD |
| CY2017Q4 | us-gaap |
Accrual For Taxes Other Than Income Taxes Current
AccrualForTaxesOtherThanIncomeTaxesCurrent
|
7344000 | USD |
| CY2016Q4 | us-gaap |
Accrued Liabilities Current
AccruedLiabilitiesCurrent
|
3864000 | USD |
| CY2017Q4 | us-gaap |
Accrued Liabilities Current
AccruedLiabilitiesCurrent
|
3861000 | USD |
| CY2016Q4 | us-gaap |
Accumulated Deferred Investment Tax Credit
AccumulatedDeferredInvestmentTaxCredit
|
1529000 | USD |
| CY2017Q4 | us-gaap |
Accumulated Deferred Investment Tax Credit
AccumulatedDeferredInvestmentTaxCredit
|
1436000 | USD |
| CY2015 | us-gaap |
Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value
AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
|
2168000 | USD |
| CY2016 | us-gaap |
Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value
AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
|
1201000 | USD |
| CY2017 | us-gaap |
Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value
AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
|
1789000 | USD |
| CY2015 | us-gaap |
Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation
AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation
|
877000 | USD |
| CY2016 | us-gaap |
Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation
AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation
|
581000 | USD |
| CY2015 | us-gaap |
Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
|
2754000 | USD |
| CY2016 | us-gaap |
Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
|
2538000 | USD |
| CY2017 | us-gaap |
Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
|
2885000 | USD |
| CY2014Q4 | us-gaap |
Allowance For Doubtful Accounts Receivable
AllowanceForDoubtfulAccountsReceivable
|
892000 | USD |
| CY2015Q4 | us-gaap |
Allowance For Doubtful Accounts Receivable
AllowanceForDoubtfulAccountsReceivable
|
944000 | USD |
| CY2016Q4 | us-gaap |
Allowance For Doubtful Accounts Receivable
AllowanceForDoubtfulAccountsReceivable
|
764000 | USD |
| CY2017Q4 | us-gaap |
Allowance For Doubtful Accounts Receivable
AllowanceForDoubtfulAccountsReceivable
|
1041000 | USD |
| CY2015 | us-gaap |
Amortization Of Intangible Assets
AmortizationOfIntangibleAssets
|
1800000 | USD |
| CY2016 | us-gaap |
Amortization Of Intangible Assets
AmortizationOfIntangibleAssets
|
1900000 | USD |
| CY2017 | us-gaap |
Amortization Of Intangible Assets
AmortizationOfIntangibleAssets
|
1500000 | USD |
| CY2015Q4 | us-gaap |
Asset Retirement Obligation
AssetRetirementObligation
|
4157000 | USD |
| CY2016Q4 | us-gaap |
Asset Retirement Obligation
AssetRetirementObligation
|
4393000 | USD |
| CY2017Q4 | us-gaap |
Asset Retirement Obligation
AssetRetirementObligation
|
4963000 | USD |
| CY2016 | us-gaap |
Asset Retirement Obligation Accretion Expense
AssetRetirementObligationAccretionExpense
|
227000 | USD |
| CY2017 | us-gaap |
Asset Retirement Obligation Accretion Expense
AssetRetirementObligationAccretionExpense
|
237000 | USD |
| CY2016 | us-gaap |
Asset Retirement Obligation Liabilities Incurred
AssetRetirementObligationLiabilitiesIncurred
|
121000 | USD |
| CY2017 | us-gaap |
Asset Retirement Obligation Liabilities Incurred
AssetRetirementObligationLiabilitiesIncurred
|
562000 | USD |
| CY2016 | us-gaap |
Asset Retirement Obligation Liabilities Settled
AssetRetirementObligationLiabilitiesSettled
|
112000 | USD |
| CY2017 | us-gaap |
Asset Retirement Obligation Liabilities Settled
AssetRetirementObligationLiabilitiesSettled
|
229000 | USD |
| CY2016Q4 | us-gaap |
Assets
Assets
|
1470493000 | USD |
| CY2017Q4 | us-gaap |
Assets
Assets
|
1416734000 | USD |
| CY2016Q4 | us-gaap |
Assets Current
AssetsCurrent
|
166875000 | USD |
| CY2017Q4 | us-gaap |
Assets Current
AssetsCurrent
|
155463000 | USD |
| CY2016Q4 | us-gaap |
Billings In Excess Of Cost Current
BillingsInExcessOfCostCurrent
|
2263000 | USD |
| CY2017Q4 | us-gaap |
Billings In Excess Of Cost Current
BillingsInExcessOfCostCurrent
|
3911000 | USD |
| CY2015 | us-gaap |
Capital Expenditures Incurred But Not Yet Paid
CapitalExpendituresIncurredButNotYetPaid
|
20655000 | USD |
| CY2016 | us-gaap |
Capital Expenditures Incurred But Not Yet Paid
CapitalExpendituresIncurredButNotYetPaid
|
17236000 | USD |
| CY2017 | us-gaap |
Capital Expenditures Incurred But Not Yet Paid
CapitalExpendituresIncurredButNotYetPaid
|
20131000 | USD |
| CY2016Q4 | us-gaap |
Capitalization Longterm Debt And Equity
CapitalizationLongtermDebtAndEquity
|
815278000 | USD |
| CY2017Q4 | us-gaap |
Capitalization Longterm Debt And Equity
CapitalizationLongtermDebtAndEquity
|
850984000 | USD |
| CY2015Q4 | us-gaap |
Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
|
4364000 | USD |
| CY2016Q4 | us-gaap |
Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
|
436000 | USD |
| CY2017Q4 | us-gaap |
Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
|
214000 | USD |
| CY2014Q4 | us-gaap |
Cash And Cash Equivalents At Carrying Value Including Discontinued Operations
CashAndCashEquivalentsAtCarryingValueIncludingDiscontinuedOperations
|
75988000 | USD |
| CY2015Q4 | us-gaap |
Cash And Cash Equivalents At Carrying Value Including Discontinued Operations
CashAndCashEquivalentsAtCarryingValueIncludingDiscontinuedOperations
|
4364000 | USD |
| CY2016Q4 | us-gaap |
Cash And Cash Equivalents At Carrying Value Including Discontinued Operations
CashAndCashEquivalentsAtCarryingValueIncludingDiscontinuedOperations
|
436000 | USD |
| CY2017Q4 | us-gaap |
Cash And Cash Equivalents At Carrying Value Including Discontinued Operations
CashAndCashEquivalentsAtCarryingValueIncludingDiscontinuedOperations
|
214000 | USD |
| CY2015 | us-gaap |
Cash And Cash Equivalents Period Increase Decrease
CashAndCashEquivalentsPeriodIncreaseDecrease
|
-71624000 | USD |
| CY2016 | us-gaap |
Cash And Cash Equivalents Period Increase Decrease
CashAndCashEquivalentsPeriodIncreaseDecrease
|
-3928000 | USD |
| CY2017 | us-gaap |
Cash And Cash Equivalents Period Increase Decrease
CashAndCashEquivalentsPeriodIncreaseDecrease
|
-222000 | USD |
| CY2016Q4 | us-gaap |
Commitments And Contingencies
CommitmentsAndContingencies
|
0 | USD |
| CY2017Q4 | us-gaap |
Commitments And Contingencies
CommitmentsAndContingencies
|
0 | USD |
| CY2015 | us-gaap |
Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
|
0.874 | |
| CY2016 | us-gaap |
Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
|
0.914 | |
| CY2017 | us-gaap |
Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
|
0.994 | |
| CY2016Q4 | us-gaap |
Common Stock Shares Authorized
CommonStockSharesAuthorized
|
60000000 | shares |
| CY2017Q4 | us-gaap |
Common Stock Shares Authorized
CommonStockSharesAuthorized
|
60000000 | shares |
| CY2016Q4 | us-gaap |
Common Stock Shares Outstanding
CommonStockSharesOutstanding
|
36571360 | shares |
| CY2017Q4 | us-gaap |
Common Stock Shares Outstanding
CommonStockSharesOutstanding
|
36571360 | shares |
| CY2016Q4 | us-gaap |
Common Stock Value
CommonStockValue
|
247232000 | USD |
| CY2017Q4 | us-gaap |
Common Stock Value
CommonStockValue
|
250124000 | USD |
| CY2015 | us-gaap |
Construction And Development Costs
ConstructionAndDevelopmentCosts
|
52810000 | USD |
| CY2016 | us-gaap |
Construction And Development Costs
ConstructionAndDevelopmentCosts
|
53720000 | USD |
| CY2017 | us-gaap |
Construction And Development Costs
ConstructionAndDevelopmentCosts
|
49838000 | USD |
| CY2017Q4 | us-gaap |
Deferred Income Tax Liabilities
DeferredIncomeTaxLiabilities
|
157446000 | USD |
| CY2016Q4 | us-gaap |
Construction In Progress Gross
ConstructionInProgressGross
|
63354000 | USD |
| CY2017Q4 | us-gaap |
Construction In Progress Gross
ConstructionInProgressGross
|
63835000 | USD |
| CY2015 | us-gaap |
Contracts Revenue
ContractsRevenue
|
94091000 | USD |
| CY2016 | us-gaap |
Contracts Revenue
ContractsRevenue
|
97385000 | USD |
| CY2017 | us-gaap |
Contracts Revenue
ContractsRevenue
|
100302000 | USD |
| CY2015 | us-gaap |
Contribution Of Property
ContributionOfProperty
|
3284000 | USD |
| CY2016 | us-gaap |
Contribution Of Property
ContributionOfProperty
|
5395000 | USD |
| CY2017 | us-gaap |
Contribution Of Property
ContributionOfProperty
|
2082000 | USD |
| CY2016Q4 | us-gaap |
Contributions In Aid Of Construction
ContributionsInAidOfConstruction
|
120518000 | USD |
| CY2017Q4 | us-gaap |
Contributions In Aid Of Construction
ContributionsInAidOfConstruction
|
123602000 | USD |
| CY2015 | us-gaap |
Cost Of Property Repairs And Maintenance
CostOfPropertyRepairsAndMaintenance
|
16885000 | USD |
| CY2016 | us-gaap |
Cost Of Property Repairs And Maintenance
CostOfPropertyRepairsAndMaintenance
|
16470000 | USD |
| CY2017 | us-gaap |
Cost Of Property Repairs And Maintenance
CostOfPropertyRepairsAndMaintenance
|
15176000 | USD |
| CY2015 | us-gaap |
Cost Of Purchased Power
CostOfPurchasedPower
|
10395000 | USD |
| CY2016 | us-gaap |
Cost Of Purchased Power
CostOfPurchasedPower
|
10387000 | USD |
| CY2017 | us-gaap |
Cost Of Purchased Power
CostOfPurchasedPower
|
10720000 | USD |
| CY2015 | us-gaap |
Cost Of Purchased Water
CostOfPurchasedWater
|
62726000 | USD |
| CY2016 | us-gaap |
Cost Of Purchased Water
CostOfPurchasedWater
|
64442000 | USD |
| CY2017 | us-gaap |
Cost Of Purchased Water
CostOfPurchasedWater
|
68302000 | USD |
| CY2016Q4 | us-gaap |
Costs In Excess Of Billings On Uncompleted Contracts Or Programs Expected To Be Collected After One Year
CostsInExcessOfBillingsOnUncompletedContractsOrProgramsExpectedToBeCollectedAfterOneYear
|
22687000 | USD |
| CY2017Q4 | us-gaap |
Costs In Excess Of Billings On Uncompleted Contracts Or Programs Expected To Be Collected After One Year
CostsInExcessOfBillingsOnUncompletedContractsOrProgramsExpectedToBeCollectedAfterOneYear
|
25426000 | USD |
| CY2016Q4 | us-gaap |
Costs In Excess Of Billings On Uncompleted Contracts Or Programs Expected To Be Collected Within One Year
CostsInExcessOfBillingsOnUncompletedContractsOrProgramsExpectedToBeCollectedWithinOneYear
|
41245000 | USD |
| CY2017Q4 | us-gaap |
Costs In Excess Of Billings On Uncompleted Contracts Or Programs Expected To Be Collected Within One Year
CostsInExcessOfBillingsOnUncompletedContractsOrProgramsExpectedToBeCollectedWithinOneYear
|
41387000 | USD |
| CY2015 | us-gaap |
Current Federal Tax Expense Benefit
CurrentFederalTaxExpenseBenefit
|
21866000 | USD |
| CY2016 | us-gaap |
Current Federal Tax Expense Benefit
CurrentFederalTaxExpenseBenefit
|
2297000 | USD |
| CY2017 | us-gaap |
Current Federal Tax Expense Benefit
CurrentFederalTaxExpenseBenefit
|
20978000 | USD |
| CY2015 | us-gaap |
Current Income Tax Expense Benefit
CurrentIncomeTaxExpenseBenefit
|
27308000 | USD |
| CY2016 | us-gaap |
Current Income Tax Expense Benefit
CurrentIncomeTaxExpenseBenefit
|
7095000 | USD |
| CY2017 | us-gaap |
Current Income Tax Expense Benefit
CurrentIncomeTaxExpenseBenefit
|
26822000 | USD |
| CY2015 | us-gaap |
Current State And Local Tax Expense Benefit
CurrentStateAndLocalTaxExpenseBenefit
|
5442000 | USD |
| CY2016 | us-gaap |
Current State And Local Tax Expense Benefit
CurrentStateAndLocalTaxExpenseBenefit
|
4798000 | USD |
| CY2017 | us-gaap |
Current State And Local Tax Expense Benefit
CurrentStateAndLocalTaxExpenseBenefit
|
5844000 | USD |
| CY2016Q4 | us-gaap |
Customer Advances For Construction
CustomerAdvancesForConstruction
|
69722000 | USD |
| CY2017Q4 | us-gaap |
Customer Advances For Construction
CustomerAdvancesForConstruction
|
67465000 | USD |
| CY2016Q4 | us-gaap |
Debt And Capital Lease Obligations
DebtAndCapitalLeaseObligations
|
325582000 | USD |
| CY2017Q4 | us-gaap |
Debt And Capital Lease Obligations
DebtAndCapitalLeaseObligations
|
325265000 | USD |
| CY2015 | us-gaap |
Deferred Federal Income Tax Expense Benefit
DeferredFederalIncomeTaxExpenseBenefit
|
8948000 | USD |
| CY2016 | us-gaap |
Deferred Federal Income Tax Expense Benefit
DeferredFederalIncomeTaxExpenseBenefit
|
26715000 | USD |
| CY2017 | us-gaap |
Deferred Federal Income Tax Expense Benefit
DeferredFederalIncomeTaxExpenseBenefit
|
11543000 | USD |
| CY2016Q4 | us-gaap |
Deferred Finance Costs Net
DeferredFinanceCostsNet
|
4271000 | USD |
| CY2017Q4 | us-gaap |
Deferred Finance Costs Net
DeferredFinanceCostsNet
|
3902000 | USD |
| CY2015 | us-gaap |
Deferred Income Tax Expense Benefit
DeferredIncomeTaxExpenseBenefit
|
10423000 | USD |
| CY2016 | us-gaap |
Deferred Income Tax Expense Benefit
DeferredIncomeTaxExpenseBenefit
|
27640000 | USD |
| CY2017 | us-gaap |
Deferred Income Tax Expense Benefit
DeferredIncomeTaxExpenseBenefit
|
12152000 | USD |
| CY2016Q4 | us-gaap |
Deferred Income Tax Liabilities
DeferredIncomeTaxLiabilities
|
238252000 | USD |
| CY2015 | us-gaap |
Deferred Income Taxes And Tax Credits
DeferredIncomeTaxesAndTaxCredits
|
10423000 | USD |
| CY2016 | us-gaap |
Deferred Income Taxes And Tax Credits
DeferredIncomeTaxesAndTaxCredits
|
27640000 | USD |
| CY2017 | us-gaap |
Deferred Income Taxes And Tax Credits
DeferredIncomeTaxesAndTaxCredits
|
12153000 | USD |
| CY2015 | us-gaap |
Deferred State And Local Income Tax Expense Benefit
DeferredStateAndLocalIncomeTaxExpenseBenefit
|
1475000 | USD |
| CY2016 | us-gaap |
Deferred State And Local Income Tax Expense Benefit
DeferredStateAndLocalIncomeTaxExpenseBenefit
|
925000 | USD |
| CY2017 | us-gaap |
Deferred State And Local Income Tax Expense Benefit
DeferredStateAndLocalIncomeTaxExpenseBenefit
|
609000 | USD |
| CY2016Q4 | us-gaap |
Deferred Tax Assets Gross
DeferredTaxAssetsGross
|
13725000 | USD |
| CY2017Q4 | us-gaap |
Deferred Tax Assets Gross
DeferredTaxAssetsGross
|
41755000 | USD |
| CY2016Q4 | us-gaap |
Deferred Tax Liabilities
DeferredTaxLiabilities
|
224527000 | USD |
| CY2017Q4 | us-gaap |
Deferred Tax Liabilities
DeferredTaxLiabilities
|
115691000 | USD |
| CY2016Q4 | us-gaap |
Deferred Tax Liabilities Deferred Expense
DeferredTaxLiabilitiesDeferredExpense
|
4429000 | USD |
| CY2017Q4 | us-gaap |
Deferred Tax Liabilities Deferred Expense
DeferredTaxLiabilitiesDeferredExpense
|
2594000 | USD |
| CY2016Q4 | us-gaap |
Deferred Tax Liabilities Noncurrent
DeferredTaxLiabilitiesNoncurrent
|
224530000 | USD |
| CY2017Q4 | us-gaap |
Deferred Tax Liabilities Noncurrent
DeferredTaxLiabilitiesNoncurrent
|
115703000 | USD |
| CY2016Q4 | us-gaap |
Deferred Tax Liabilities Property Plant And Equipment
DeferredTaxLiabilitiesPropertyPlantAndEquipment
|
200378000 | USD |
| CY2017Q4 | us-gaap |
Deferred Tax Liabilities Property Plant And Equipment
DeferredTaxLiabilitiesPropertyPlantAndEquipment
|
130115000 | USD |
| CY2016Q4 | us-gaap |
Deferred Tax Liabilities Regulatory Assets
DeferredTaxLiabilitiesRegulatoryAssets
|
24402000 | USD |
| CY2017Q4 | us-gaap |
Deferred Tax Liabilities Regulatory Assets
DeferredTaxLiabilitiesRegulatoryAssets
|
16851000 | USD |
| CY2017 | us-gaap |
Defined Benefit Plan Effect Of One Percentage Point Decrease On Accumulated Postretirement Benefit Obligation1
DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnAccumulatedPostretirementBenefitObligation1
|
769000 | USD |
| CY2017 | us-gaap |
Defined Benefit Plan Effect Of One Percentage Point Decrease On Service And Interest Cost Components1
DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnServiceAndInterestCostComponents1
|
39000 | USD |
| CY2017 | us-gaap |
Defined Benefit Plan Effect Of One Percentage Point Increase On Accumulated Postretirement Benefit Obligation
DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnAccumulatedPostretirementBenefitObligation
|
894000 | USD |
| CY2017 | us-gaap |
Defined Benefit Plan Effect Of One Percentage Point Increase On Service And Interest Cost Components
DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnServiceAndInterestCostComponents
|
45000 | USD |
| CY2015 | us-gaap |
Defined Contribution Plan Cost Recognized
DefinedContributionPlanCostRecognized
|
2100000 | USD |
| CY2016 | us-gaap |
Defined Contribution Plan Cost Recognized
DefinedContributionPlanCostRecognized
|
2200000 | USD |
| CY2017 | us-gaap |
Defined Contribution Plan Cost Recognized
DefinedContributionPlanCostRecognized
|
2300000 | USD |
| CY2015 | us-gaap |
Defined Contribution Plan Employer Discretionary Contribution Amount
DefinedContributionPlanEmployerDiscretionaryContributionAmount
|
755000 | USD |
| CY2016 | us-gaap |
Defined Contribution Plan Employer Discretionary Contribution Amount
DefinedContributionPlanEmployerDiscretionaryContributionAmount
|
951000 | USD |
| CY2017 | us-gaap |
Defined Contribution Plan Employer Discretionary Contribution Amount
DefinedContributionPlanEmployerDiscretionaryContributionAmount
|
1100000 | USD |
| CY2015 | us-gaap |
Depreciation And Amortization
DepreciationAndAmortization
|
42674000 | USD |
| CY2016 | us-gaap |
Depreciation And Amortization
DepreciationAndAmortization
|
39109000 | USD |
| CY2017 | us-gaap |
Depreciation And Amortization
DepreciationAndAmortization
|
39273000 | USD |
| CY2015 | us-gaap |
Depreciation Depletion And Amortization
DepreciationDepletionAndAmortization
|
42033000 | USD |
| CY2016 | us-gaap |
Depreciation Depletion And Amortization
DepreciationDepletionAndAmortization
|
38850000 | USD |
| CY2017 | us-gaap |
Depreciation Depletion And Amortization
DepreciationDepletionAndAmortization
|
39031000 | USD |
| CY2015 | us-gaap |
Dividends Common Stock
DividendsCommonStock
|
32690000 | USD |
| CY2016 | us-gaap |
Dividends Common Stock
DividendsCommonStock
|
33408000 | USD |
| CY2017 | us-gaap |
Dividends Common Stock
DividendsCommonStock
|
36417000 | USD |
| CY2015 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
1.61 | |
| CY2016 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
1.63 | |
| CY2017 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
1.88 | |
| CY2015 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
1.60 | |
| CY2016 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
1.62 | |
| CY2017 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
1.88 | |
| CY2015 | us-gaap |
Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
|
0.384 | |
| CY2016 | us-gaap |
Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
|
0.368 | |
| CY2017 | us-gaap |
Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
|
0.360 | |
| CY2015 | us-gaap |
Electric Domestic Regulated Revenue
ElectricDomesticRegulatedRevenue
|
36039000 | USD |
| CY2016 | us-gaap |
Electric Domestic Regulated Revenue
ElectricDomesticRegulatedRevenue
|
35771000 | USD |
| CY2017 | us-gaap |
Electric Domestic Regulated Revenue
ElectricDomesticRegulatedRevenue
|
33969000 | USD |
| CY2016Q4 | us-gaap |
Employee Related Liabilities Current
EmployeeRelatedLiabilitiesCurrent
|
12304000 | USD |
| CY2017Q4 | us-gaap |
Employee Related Liabilities Current
EmployeeRelatedLiabilitiesCurrent
|
12969000 | USD |
| CY2017Q4 | us-gaap |
Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized
EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
|
1059000 | USD |
| CY2015 | us-gaap |
Excess Tax Benefit From Share Based Compensation Financing Activities
ExcessTaxBenefitFromShareBasedCompensationFinancingActivities
|
877000 | USD |
| CY2016 | us-gaap |
Excess Tax Benefit From Share Based Compensation Financing Activities
ExcessTaxBenefitFromShareBasedCompensationFinancingActivities
|
581000 | USD |
| CY2017 | us-gaap |
Excess Tax Benefit From Share Based Compensation Financing Activities
ExcessTaxBenefitFromShareBasedCompensationFinancingActivities
|
0 | USD |
| CY2016Q4 | us-gaap |
Finite Lived Intangible Assets Accumulated Amortization
FiniteLivedIntangibleAssetsAccumulatedAmortization
|
28108000 | USD |
| CY2017Q4 | us-gaap |
Finite Lived Intangible Assets Accumulated Amortization
FiniteLivedIntangibleAssetsAccumulatedAmortization
|
23331000 | USD |
| CY2017Q4 | us-gaap |
Finite Lived Intangible Assets Amortization Expense Next Twelve Months
FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths
|
1325000 | USD |
| CY2017Q4 | us-gaap |
Finite Lived Intangible Assets Amortization Expense Year Five
FiniteLivedIntangibleAssetsAmortizationExpenseYearFive
|
949000 | USD |
| CY2017Q4 | us-gaap |
Finite Lived Intangible Assets Amortization Expense Year Four
FiniteLivedIntangibleAssetsAmortizationExpenseYearFour
|
949000 | USD |
| CY2017Q4 | us-gaap |
Finite Lived Intangible Assets Amortization Expense Year Three
FiniteLivedIntangibleAssetsAmortizationExpenseYearThree
|
1003000 | USD |
| CY2017Q4 | us-gaap |
Finite Lived Intangible Assets Amortization Expense Year Two
FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo
|
1131000 | USD |
| CY2016Q4 | us-gaap |
Finite Lived Intangible Assets Gross
FiniteLivedIntangibleAssetsGross
|
37678000 | USD |
| CY2017Q4 | us-gaap |
Finite Lived Intangible Assets Gross
FiniteLivedIntangibleAssetsGross
|
31192000 | USD |
| CY2016Q4 | us-gaap |
Finite Lived Intangible Assets Net
FiniteLivedIntangibleAssetsNet
|
9570000 | USD |
| CY2017Q4 | us-gaap |
Finite Lived Intangible Assets Net
FiniteLivedIntangibleAssetsNet
|
7861000 | USD |
| CY2017Q2 | us-gaap |
Gain Loss On Sale Of Properties
GainLossOnSaleOfProperties
|
8300000 | USD |
| CY2015 | us-gaap |
Gain Loss On Sales Of Assets And Asset Impairment Charges
GainLossOnSalesOfAssetsAndAssetImpairmentCharges
|
0 | USD |
| CY2016 | us-gaap |
Gain Loss On Sales Of Assets And Asset Impairment Charges
GainLossOnSalesOfAssetsAndAssetImpairmentCharges
|
0 | USD |
| CY2017 | us-gaap |
Gain Loss On Sales Of Assets And Asset Impairment Charges
GainLossOnSalesOfAssetsAndAssetImpairmentCharges
|
8318000 | USD |
| CY2015 | us-gaap |
General And Administrative Expense
GeneralAndAdministrativeExpense
|
79817000 | USD |
| CY2016 | us-gaap |
General And Administrative Expense
GeneralAndAdministrativeExpense
|
80994000 | USD |
| CY2017 | us-gaap |
General And Administrative Expense
GeneralAndAdministrativeExpense
|
81662000 | USD |
| CY2016Q4 | us-gaap |
Goodwill
Goodwill
|
1116000 | USD |
| CY2017Q4 | us-gaap |
Goodwill
Goodwill
|
1116000 | USD |
| CY2015 | us-gaap |
Impairment Of Long Lived Assets Held For Use
ImpairmentOfLongLivedAssetsHeldForUse
|
0 | USD |
| CY2016 | us-gaap |
Impairment Of Long Lived Assets Held For Use
ImpairmentOfLongLivedAssetsHeldForUse
|
0 | USD |
| CY2017 | us-gaap |
Impairment Of Long Lived Assets Held For Use
ImpairmentOfLongLivedAssetsHeldForUse
|
0 | USD |
| CY2015 | us-gaap |
Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments
IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
|
98215000 | USD |
| CY2016 | us-gaap |
Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments
IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
|
94478000 | USD |
| CY2017 | us-gaap |
Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments
IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
|
108341000 | USD |
| CY2015 | us-gaap |
Income Loss From Continuing Operations Per Basic Share
IncomeLossFromContinuingOperationsPerBasicShare
|
1.61 | |
| CY2016Q1 | us-gaap |
Income Loss From Continuing Operations Per Basic Share
IncomeLossFromContinuingOperationsPerBasicShare
|
0.28 | |
| CY2016Q2 | us-gaap |
Income Loss From Continuing Operations Per Basic Share
IncomeLossFromContinuingOperationsPerBasicShare
|
0.46 | |
| CY2016Q3 | us-gaap |
Income Loss From Continuing Operations Per Basic Share
IncomeLossFromContinuingOperationsPerBasicShare
|
0.59 | |
| CY2016Q4 | us-gaap |
Income Loss From Continuing Operations Per Basic Share
IncomeLossFromContinuingOperationsPerBasicShare
|
0.30 | |
| CY2016 | us-gaap |
Income Loss From Continuing Operations Per Basic Share
IncomeLossFromContinuingOperationsPerBasicShare
|
1.63 | |
| CY2017Q1 | us-gaap |
Income Loss From Continuing Operations Per Basic Share
IncomeLossFromContinuingOperationsPerBasicShare
|
0.35 | |
| CY2017Q2 | us-gaap |
Income Loss From Continuing Operations Per Basic Share
IncomeLossFromContinuingOperationsPerBasicShare
|
0.62 | |
| CY2017Q3 | us-gaap |
Income Loss From Continuing Operations Per Basic Share
IncomeLossFromContinuingOperationsPerBasicShare
|
0.57 | |
| CY2017Q4 | us-gaap |
Income Loss From Continuing Operations Per Basic Share
IncomeLossFromContinuingOperationsPerBasicShare
|
0.35 | |
| CY2017 | us-gaap |
Income Loss From Continuing Operations Per Basic Share
IncomeLossFromContinuingOperationsPerBasicShare
|
1.88 | |
| CY2015 | us-gaap |
Income Loss From Continuing Operations Per Diluted Share
IncomeLossFromContinuingOperationsPerDilutedShare
|
1.60 | |
| CY2016Q1 | us-gaap |
Income Loss From Continuing Operations Per Diluted Share
IncomeLossFromContinuingOperationsPerDilutedShare
|
0.28 | |
| CY2016Q2 | us-gaap |
Income Loss From Continuing Operations Per Diluted Share
IncomeLossFromContinuingOperationsPerDilutedShare
|
0.45 | |
| CY2016Q3 | us-gaap |
Income Loss From Continuing Operations Per Diluted Share
IncomeLossFromContinuingOperationsPerDilutedShare
|
0.59 | |
| CY2016Q4 | us-gaap |
Income Loss From Continuing Operations Per Diluted Share
IncomeLossFromContinuingOperationsPerDilutedShare
|
0.30 | |
| CY2016 | us-gaap |
Income Loss From Continuing Operations Per Diluted Share
IncomeLossFromContinuingOperationsPerDilutedShare
|
1.62 | |
| CY2017Q1 | us-gaap |
Income Loss From Continuing Operations Per Diluted Share
IncomeLossFromContinuingOperationsPerDilutedShare
|
0.34 | |
| CY2017Q2 | us-gaap |
Income Loss From Continuing Operations Per Diluted Share
IncomeLossFromContinuingOperationsPerDilutedShare
|
0.62 | |
| CY2017Q3 | us-gaap |
Income Loss From Continuing Operations Per Diluted Share
IncomeLossFromContinuingOperationsPerDilutedShare
|
0.57 | |
| CY2017Q4 | us-gaap |
Income Loss From Continuing Operations Per Diluted Share
IncomeLossFromContinuingOperationsPerDilutedShare
|
0.35 | |
| CY2017 | us-gaap |
Income Loss From Continuing Operations Per Diluted Share
IncomeLossFromContinuingOperationsPerDilutedShare
|
1.88 | |
| CY2015Q4 | us-gaap |
Income Tax Examination Penalties Accrued
IncomeTaxExaminationPenaltiesAccrued
|
0 | USD |
| CY2016Q4 | us-gaap |
Income Tax Examination Penalties Accrued
IncomeTaxExaminationPenaltiesAccrued
|
0 | USD |
| CY2015 | us-gaap |
Income Tax Examination Penalties Expense
IncomeTaxExaminationPenaltiesExpense
|
0 | USD |
| CY2016 | us-gaap |
Income Tax Examination Penalties Expense
IncomeTaxExaminationPenaltiesExpense
|
0 | USD |
| CY2015 | us-gaap |
Income Tax Expense Benefit
IncomeTaxExpenseBenefit
|
37731000 | USD |
| CY2016 | us-gaap |
Income Tax Expense Benefit
IncomeTaxExpenseBenefit
|
34735000 | USD |
| CY2017 | us-gaap |
Income Tax Expense Benefit
IncomeTaxExpenseBenefit
|
38974000 | USD |
| CY2015 | us-gaap |
Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate
IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate
|
34375000 | USD |
| CY2016 | us-gaap |
Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate
IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate
|
33067000 | USD |
| CY2017 | us-gaap |
Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate
IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate
|
37919000 | USD |
| CY2015 | us-gaap |
Income Tax Reconciliation Nondeductible Expense Depreciation
IncomeTaxReconciliationNondeductibleExpenseDepreciation
|
626000 | USD |
| CY2016 | us-gaap |
Income Tax Reconciliation Nondeductible Expense Depreciation
IncomeTaxReconciliationNondeductibleExpenseDepreciation
|
994000 | USD |
| CY2017 | us-gaap |
Income Tax Reconciliation Nondeductible Expense Depreciation
IncomeTaxReconciliationNondeductibleExpenseDepreciation
|
845000 | USD |
| CY2015 | us-gaap |
Income Tax Reconciliation Other Adjustments
IncomeTaxReconciliationOtherAdjustments
|
197000 | USD |
| CY2016 | us-gaap |
Income Tax Reconciliation Other Adjustments
IncomeTaxReconciliationOtherAdjustments
|
121000 | USD |
| CY2017 | us-gaap |
Income Tax Reconciliation Other Adjustments
IncomeTaxReconciliationOtherAdjustments
|
-1008000 | USD |
| CY2015 | us-gaap |
Income Tax Reconciliation State And Local Income Taxes
IncomeTaxReconciliationStateAndLocalIncomeTaxes
|
4843000 | USD |
| CY2016 | us-gaap |
Income Tax Reconciliation State And Local Income Taxes
IncomeTaxReconciliationStateAndLocalIncomeTaxes
|
3029000 | USD |
| CY2017 | us-gaap |
Income Tax Reconciliation State And Local Income Taxes
IncomeTaxReconciliationStateAndLocalIncomeTaxes
|
4382000 | USD |
| CY2015 | us-gaap |
Income Tax Reconciliation Tax Credits Investment
IncomeTaxReconciliationTaxCreditsInvestment
|
88000 | USD |
| CY2016 | us-gaap |
Income Tax Reconciliation Tax Credits Investment
IncomeTaxReconciliationTaxCreditsInvestment
|
83000 | USD |
| CY2017 | us-gaap |
Income Tax Reconciliation Tax Credits Investment
IncomeTaxReconciliationTaxCreditsInvestment
|
93000 | USD |
| CY2015 | us-gaap |
Income Taxes Paid Net
IncomeTaxesPaidNet
|
14817000 | USD |
| CY2016 | us-gaap |
Income Taxes Paid Net
IncomeTaxesPaidNet
|
10916000 | USD |
| CY2017 | us-gaap |
Income Taxes Paid Net
IncomeTaxesPaidNet
|
13615000 | USD |
| CY2016Q4 | us-gaap |
Income Taxes Receivable
IncomeTaxesReceivable
|
17867000 | USD |
| CY2017Q4 | us-gaap |
Income Taxes Receivable
IncomeTaxesReceivable
|
4737000 | USD |
| CY2015 | us-gaap |
Increase Decrease In Accounts And Other Receivables
IncreaseDecreaseInAccountsAndOtherReceivables
|
-1243000 | USD |
| CY2016 | us-gaap |
Increase Decrease In Accounts And Other Receivables
IncreaseDecreaseInAccountsAndOtherReceivables
|
1233000 | USD |
| CY2017 | us-gaap |
Increase Decrease In Accounts And Other Receivables
IncreaseDecreaseInAccountsAndOtherReceivables
|
1671000 | USD |
| CY2015 | us-gaap |
Increase Decrease In Accounts Payable
IncreaseDecreaseInAccountsPayable
|
679000 | USD |
| CY2016 | us-gaap |
Increase Decrease In Accounts Payable
IncreaseDecreaseInAccountsPayable
|
-3442000 | USD |
| CY2017 | us-gaap |
Increase Decrease In Accounts Payable
IncreaseDecreaseInAccountsPayable
|
4358000 | USD |
| CY2015 | us-gaap |
Increase Decrease In Accounts Receivable
IncreaseDecreaseInAccountsReceivable
|
923000 | USD |
| CY2016 | us-gaap |
Increase Decrease In Accounts Receivable
IncreaseDecreaseInAccountsReceivable
|
1750000 | USD |
| CY2017 | us-gaap |
Increase Decrease In Accounts Receivable
IncreaseDecreaseInAccountsReceivable
|
7671000 | USD |
| CY2015 | us-gaap |
Increase Decrease In Billing In Excess Of Cost Of Earnings
IncreaseDecreaseInBillingInExcessOfCostOfEarnings
|
-7972000 | USD |
| CY2016 | us-gaap |
Increase Decrease In Billing In Excess Of Cost Of Earnings
IncreaseDecreaseInBillingInExcessOfCostOfEarnings
|
-1501000 | USD |
| CY2017 | us-gaap |
Increase Decrease In Billing In Excess Of Cost Of Earnings
IncreaseDecreaseInBillingInExcessOfCostOfEarnings
|
1648000 | USD |
| CY2015 | us-gaap |
Increase Decrease In Income Taxes
IncreaseDecreaseInIncomeTaxes
|
9630000 | USD |
| CY2016 | us-gaap |
Increase Decrease In Income Taxes
IncreaseDecreaseInIncomeTaxes
|
-6993000 | USD |
| CY2017 | us-gaap |
Increase Decrease In Income Taxes
IncreaseDecreaseInIncomeTaxes
|
13206000 | USD |
| CY2015 | us-gaap |
Increase Decrease In Materials And Supplies
IncreaseDecreaseInMaterialsAndSupplies
|
1827000 | USD |
| CY2016 | us-gaap |
Increase Decrease In Materials And Supplies
IncreaseDecreaseInMaterialsAndSupplies
|
-1121000 | USD |
| CY2017 | us-gaap |
Increase Decrease In Materials And Supplies
IncreaseDecreaseInMaterialsAndSupplies
|
501000 | USD |
| CY2015 | us-gaap |
Increase Decrease In Other Operating Liabilities
IncreaseDecreaseInOtherOperatingLiabilities
|
941000 | USD |
| CY2016 | us-gaap |
Increase Decrease In Other Operating Liabilities
IncreaseDecreaseInOtherOperatingLiabilities
|
3095000 | USD |
| CY2017 | us-gaap |
Increase Decrease In Other Operating Liabilities
IncreaseDecreaseInOtherOperatingLiabilities
|
-1589000 | USD |
| CY2015 | us-gaap |
Increase Decrease In Pension And Postretirement Obligations
IncreaseDecreaseInPensionAndPostretirementObligations
|
616000 | USD |
| CY2016 | us-gaap |
Increase Decrease In Pension And Postretirement Obligations
IncreaseDecreaseInPensionAndPostretirementObligations
|
-289000 | USD |
| CY2017 | us-gaap |
Increase Decrease In Pension And Postretirement Obligations
IncreaseDecreaseInPensionAndPostretirementObligations
|
-878000 | USD |
| CY2015 | us-gaap |
Increase Decrease In Prepaid Deferred Expense And Other Assets
IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets
|
-1580000 | USD |
| CY2016 | us-gaap |
Increase Decrease In Prepaid Deferred Expense And Other Assets
IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets
|
-2239000 | USD |
| CY2017 | us-gaap |
Increase Decrease In Prepaid Deferred Expense And Other Assets
IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets
|
1641000 | USD |
| CY2015 | us-gaap |
Increase Decrease In Regulatory Assets And Liabilities
IncreaseDecreaseInRegulatoryAssetsAndLiabilities
|
26422000 | USD |
| CY2016 | us-gaap |
Increase Decrease In Regulatory Assets And Liabilities
IncreaseDecreaseInRegulatoryAssetsAndLiabilities
|
5610000 | USD |
| CY2017 | us-gaap |
Increase Decrease In Regulatory Assets And Liabilities
IncreaseDecreaseInRegulatoryAssetsAndLiabilities
|
-24626000 | USD |
| CY2015 | us-gaap |
Increase Decrease In Unbilled Receivables
IncreaseDecreaseInUnbilledReceivables
|
-1932000 | USD |
| CY2016 | us-gaap |
Increase Decrease In Unbilled Receivables
IncreaseDecreaseInUnbilledReceivables
|
4901000 | USD |
| CY2017 | us-gaap |
Increase Decrease In Unbilled Receivables
IncreaseDecreaseInUnbilledReceivables
|
2020000 | USD |
| CY2015 | us-gaap |
Incremental Common Shares Attributable To Share Based Payment Arrangements
IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
|
225000 | shares |
| CY2016 | us-gaap |
Incremental Common Shares Attributable To Share Based Payment Arrangements
IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
|
198000 | shares |
| CY2017 | us-gaap |
Incremental Common Shares Attributable To Share Based Payment Arrangements
IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
|
206000 | shares |
| CY2016Q4 | us-gaap |
Indefinite Lived Intangible Assets Excluding Goodwill
IndefiniteLivedIntangibleAssetsExcludingGoodwill
|
427000 | USD |
| CY2017Q4 | us-gaap |
Indefinite Lived Intangible Assets Excluding Goodwill
IndefiniteLivedIntangibleAssetsExcludingGoodwill
|
422000 | USD |
| CY2015 | us-gaap |
Interest Expense
InterestExpense
|
21088000 | USD |
| CY2016 | us-gaap |
Interest Expense
InterestExpense
|
21992000 | USD |
| CY2017 | us-gaap |
Interest Expense
InterestExpense
|
22582000 | USD |
| CY2015 | us-gaap |
Interest Income Expense Nonoperating Net
InterestIncomeExpenseNonoperatingNet
|
20630000 | USD |
| CY2016 | us-gaap |
Interest Income Expense Nonoperating Net
InterestIncomeExpenseNonoperatingNet
|
21235000 | USD |
| CY2017 | us-gaap |
Interest Income Expense Nonoperating Net
InterestIncomeExpenseNonoperatingNet
|
20792000 | USD |
| CY2015 | us-gaap |
Interest Paid
InterestPaid
|
21822000 | USD |
| CY2016 | us-gaap |
Interest Paid
InterestPaid
|
22305000 | USD |
| CY2017 | us-gaap |
Interest Paid
InterestPaid
|
22762000 | USD |
| CY2016Q4 | us-gaap |
Inventory Raw Materials And Supplies
InventoryRawMaterialsAndSupplies
|
4294000 | USD |
| CY2017Q4 | us-gaap |
Inventory Raw Materials And Supplies
InventoryRawMaterialsAndSupplies
|
4795000 | USD |
| CY2015 | us-gaap |
Investment Income Interest
InvestmentIncomeInterest
|
458000 | USD |
| CY2016 | us-gaap |
Investment Income Interest
InvestmentIncomeInterest
|
757000 | USD |
| CY2017 | us-gaap |
Investment Income Interest
InvestmentIncomeInterest
|
1790000 | USD |
| CY2015 | us-gaap |
Lease And Rental Expense
LeaseAndRentalExpense
|
2740000 | USD |
| CY2016 | us-gaap |
Lease And Rental Expense
LeaseAndRentalExpense
|
2298000 | USD |
| CY2017 | us-gaap |
Lease And Rental Expense
LeaseAndRentalExpense
|
2448000 | USD |
| CY2016Q4 | us-gaap |
Liabilities And Stockholders Equity
LiabilitiesAndStockholdersEquity
|
1470493000 | USD |
| CY2017Q4 | us-gaap |
Liabilities And Stockholders Equity
LiabilitiesAndStockholdersEquity
|
1416734000 | USD |
| CY2016 | us-gaap |
Net Cash Provided By Used In Operating Activities Continuing Operations
NetCashProvidedByUsedInOperatingActivitiesContinuingOperations
|
96949000 | USD |
| CY2016Q4 | us-gaap |
Liabilities Current
LiabilitiesCurrent
|
177944000 | USD |
| CY2017Q4 | us-gaap |
Liabilities Current
LiabilitiesCurrent
|
156662000 | USD |
| CY2016Q4 | us-gaap |
Liabilities Other Than Longterm Debt Noncurrent
LiabilitiesOtherThanLongtermDebtNoncurrent
|
477271000 | USD |
| CY2017Q4 | us-gaap |
Liabilities Other Than Longterm Debt Noncurrent
LiabilitiesOtherThanLongtermDebtNoncurrent
|
409088000 | USD |
| CY2017Q3 | us-gaap |
Litigation Settlement Amount Awarded To Other Party
LitigationSettlementAmountAwardedToOtherParty
|
2600000 | USD |
| CY2016Q4 | us-gaap |
Long Term Debt And Capital Lease Obligations
LongTermDebtAndCapitalLeaseObligations
|
320981000 | USD |
| CY2017Q4 | us-gaap |
Long Term Debt And Capital Lease Obligations
LongTermDebtAndCapitalLeaseObligations
|
321039000 | USD |
| CY2016Q4 | us-gaap |
Long Term Debt And Capital Lease Obligations Current
LongTermDebtAndCapitalLeaseObligationsCurrent
|
330000 | USD |
| CY2017Q4 | us-gaap |
Long Term Debt And Capital Lease Obligations Current
LongTermDebtAndCapitalLeaseObligationsCurrent
|
324000 | USD |
| CY2016Q4 | us-gaap |
Long Term Debt Current
LongTermDebtCurrent
|
330000 | USD |
| CY2017Q4 | us-gaap |
Long Term Debt Current
LongTermDebtCurrent
|
324000 | USD |
| CY2016Q4 | us-gaap |
Long Term Debt Noncurrent
LongTermDebtNoncurrent
|
320981000 | USD |
| CY2017Q4 | us-gaap |
Long Term Debt Noncurrent
LongTermDebtNoncurrent
|
321039000 | USD |
| CY2015 | us-gaap |
Net Cash Provided By Used In Financing Activities Continuing Operations
NetCashProvidedByUsedInFinancingActivitiesContinuingOperations
|
-76631000 | USD |
| CY2016 | us-gaap |
Net Cash Provided By Used In Financing Activities Continuing Operations
NetCashProvidedByUsedInFinancingActivitiesContinuingOperations
|
30344000 | USD |
| CY2017 | us-gaap |
Net Cash Provided By Used In Financing Activities Continuing Operations
NetCashProvidedByUsedInFinancingActivitiesContinuingOperations
|
-64743000 | USD |
| CY2015 | us-gaap |
Net Cash Provided By Used In Investing Activities Continuing Operations
NetCashProvidedByUsedInInvestingActivitiesContinuingOperations
|
-90138000 | USD |
| CY2016 | us-gaap |
Net Cash Provided By Used In Investing Activities Continuing Operations
NetCashProvidedByUsedInInvestingActivitiesContinuingOperations
|
-131221000 | USD |
| CY2017 | us-gaap |
Net Cash Provided By Used In Investing Activities Continuing Operations
NetCashProvidedByUsedInInvestingActivitiesContinuingOperations
|
-80031000 | USD |
| CY2015 | us-gaap |
Net Cash Provided By Used In Operating Activities Continuing Operations
NetCashProvidedByUsedInOperatingActivitiesContinuingOperations
|
95145000 | USD |
| CY2016Q4 | us-gaap |
Other Assets Noncurrent
OtherAssetsNoncurrent
|
5068000 | USD |
| CY2017 | us-gaap |
Net Cash Provided By Used In Operating Activities Continuing Operations
NetCashProvidedByUsedInOperatingActivitiesContinuingOperations
|
144552000 | USD |
| CY2015 | us-gaap |
Net Income Loss
NetIncomeLoss
|
60484000 | USD |
| CY2016Q1 | us-gaap |
Net Income Loss
NetIncomeLoss
|
10150000 | USD |
| CY2016Q2 | us-gaap |
Net Income Loss
NetIncomeLoss
|
16742000 | USD |
| CY2016Q3 | us-gaap |
Net Income Loss
NetIncomeLoss
|
21639000 | USD |
| CY2016Q4 | us-gaap |
Net Income Loss
NetIncomeLoss
|
11212000 | USD |
| CY2016 | us-gaap |
Net Income Loss
NetIncomeLoss
|
59743000 | USD |
| CY2017Q1 | us-gaap |
Net Income Loss
NetIncomeLoss
|
12701000 | USD |
| CY2017Q2 | us-gaap |
Net Income Loss
NetIncomeLoss
|
22792000 | USD |
| CY2017Q3 | us-gaap |
Net Income Loss
NetIncomeLoss
|
21006000 | USD |
| CY2017Q4 | us-gaap |
Net Income Loss
NetIncomeLoss
|
12868000 | USD |
| CY2017 | us-gaap |
Net Income Loss
NetIncomeLoss
|
69367000 | USD |
| CY2015 | us-gaap |
Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
|
60104000 | USD |
| CY2016 | us-gaap |
Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
|
59411000 | USD |
| CY2017 | us-gaap |
Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
|
68994000 | USD |
| CY2015 | us-gaap |
Net Income Loss Available To Common Stockholders Diluted
NetIncomeLossAvailableToCommonStockholdersDiluted
|
60277000 | USD |
| CY2016 | us-gaap |
Net Income Loss Available To Common Stockholders Diluted
NetIncomeLossAvailableToCommonStockholdersDiluted
|
59556000 | USD |
| CY2017 | us-gaap |
Net Income Loss Available To Common Stockholders Diluted
NetIncomeLossAvailableToCommonStockholdersDiluted
|
69170000 | USD |
| CY2015 | us-gaap |
Nonoperating Income Expense
NonoperatingIncomeExpense
|
-20274000 | USD |
| CY2016 | us-gaap |
Nonoperating Income Expense
NonoperatingIncomeExpense
|
-20238000 | USD |
| CY2017 | us-gaap |
Nonoperating Income Expense
NonoperatingIncomeExpense
|
-18735000 | USD |
| CY2016Q4 | us-gaap |
Notes Payable To Bank Current
NotesPayableToBankCurrent
|
90000000 | USD |
| CY2017Q4 | us-gaap |
Notes Payable To Bank Current
NotesPayableToBankCurrent
|
59000000 | USD |
| CY2015 | us-gaap |
Operating Expenses
OperatingExpenses
|
340152000 | USD |
| CY2016 | us-gaap |
Operating Expenses
OperatingExpenses
|
321371000 | USD |
| CY2017 | us-gaap |
Operating Expenses
OperatingExpenses
|
313527000 | USD |
| CY2015 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
118489000 | USD |
| CY2016Q1 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
21233000 | USD |
| CY2016Q2 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
31774000 | USD |
| CY2016Q3 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
39617000 | USD |
| CY2016Q4 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
22092000 | USD |
| CY2016 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
114716000 | USD |
| CY2017Q1 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
24738000 | USD |
| CY2017Q2 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
41816000 | USD |
| CY2017Q3 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
38567000 | USD |
| CY2017Q4 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
21955000 | USD |
| CY2017 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
127076000 | USD |
| CY2017Q4 | us-gaap |
Operating Leases Future Minimum Payments Due
OperatingLeasesFutureMinimumPaymentsDue
|
7951000 | USD |
| CY2017Q4 | us-gaap |
Operating Leases Future Minimum Payments Due Current
OperatingLeasesFutureMinimumPaymentsDueCurrent
|
2250000 | USD |
| CY2017Q4 | us-gaap |
Operating Leases Future Minimum Payments Due In Five Years
OperatingLeasesFutureMinimumPaymentsDueInFiveYears
|
892000 | USD |
| CY2017Q4 | us-gaap |
Operating Leases Future Minimum Payments Due In Four Years
OperatingLeasesFutureMinimumPaymentsDueInFourYears
|
819000 | USD |
| CY2017Q4 | us-gaap |
Operating Leases Future Minimum Payments Due In Three Years
OperatingLeasesFutureMinimumPaymentsDueInThreeYears
|
1717000 | USD |
| CY2017Q4 | us-gaap |
Operating Leases Future Minimum Payments Due In Two Years
OperatingLeasesFutureMinimumPaymentsDueInTwoYears
|
1934000 | USD |
| CY2017Q4 | us-gaap |
Operating Leases Future Minimum Payments Due Thereafter
OperatingLeasesFutureMinimumPaymentsDueThereafter
|
339000 | USD |
| CY2017Q4 | us-gaap |
Other Assets Noncurrent
OtherAssetsNoncurrent
|
5667000 | USD |
| CY2015 | us-gaap |
Other Cost And Expense Operating
OtherCostAndExpenseOperating
|
28429000 | USD |
| CY2016 | us-gaap |
Other Cost And Expense Operating
OtherCostAndExpenseOperating
|
28257000 | USD |
| CY2017 | us-gaap |
Other Cost And Expense Operating
OtherCostAndExpenseOperating
|
29994000 | USD |
| CY2016Q4 | us-gaap |
Other Liabilities Current
OtherLiabilitiesCurrent
|
11297000 | USD |
| CY2017Q4 | us-gaap |
Other Liabilities Current
OtherLiabilitiesCurrent
|
15109000 | USD |
| CY2016Q4 | us-gaap |
Other Liabilities Noncurrent
OtherLiabilitiesNoncurrent
|
11116000 | USD |
| CY2017Q4 | us-gaap |
Other Liabilities Noncurrent
OtherLiabilitiesNoncurrent
|
11009000 | USD |
| CY2015 | us-gaap |
Other Noncash Income Expense
OtherNoncashIncomeExpense
|
-838000 | USD |
| CY2016 | us-gaap |
Other Noncash Income Expense
OtherNoncashIncomeExpense
|
397000 | USD |
| CY2017 | us-gaap |
Other Noncash Income Expense
OtherNoncashIncomeExpense
|
1525000 | USD |
| CY2015 | us-gaap |
Other Nonoperating Income Expense
OtherNonoperatingIncomeExpense
|
356000 | USD |
| CY2016 | us-gaap |
Other Nonoperating Income Expense
OtherNonoperatingIncomeExpense
|
997000 | USD |
| CY2017 | us-gaap |
Other Nonoperating Income Expense
OtherNonoperatingIncomeExpense
|
2057000 | USD |
| CY2015 | us-gaap |
Payments For Repurchase Of Common Stock
PaymentsForRepurchaseOfCommonStock
|
72893000 | USD |
| CY2016 | us-gaap |
Payments For Repurchase Of Common Stock
PaymentsForRepurchaseOfCommonStock
|
0 | USD |
| CY2017 | us-gaap |
Payments For Repurchase Of Common Stock
PaymentsForRepurchaseOfCommonStock
|
0 | USD |
| CY2015 | us-gaap |
Payments Of Dividends
PaymentsOfDividends
|
32690000 | USD |
| CY2016 | us-gaap |
Payments Of Dividends
PaymentsOfDividends
|
33408000 | USD |
| CY2017 | us-gaap |
Payments Of Dividends
PaymentsOfDividends
|
36417000 | USD |
| CY2015 | us-gaap |
Payments To Acquire Investments
PaymentsToAcquireInvestments
|
2869000 | USD |
| CY2016 | us-gaap |
Payments To Acquire Investments
PaymentsToAcquireInvestments
|
1354000 | USD |
| CY2017 | us-gaap |
Payments To Acquire Investments
PaymentsToAcquireInvestments
|
1229000 | USD |
| CY2015 | us-gaap |
Payments To Acquire Property Plant And Equipment
PaymentsToAcquirePropertyPlantAndEquipment
|
87323000 | USD |
| CY2016 | us-gaap |
Payments To Acquire Property Plant And Equipment
PaymentsToAcquirePropertyPlantAndEquipment
|
129867000 | USD |
| CY2017 | us-gaap |
Payments To Acquire Property Plant And Equipment
PaymentsToAcquirePropertyPlantAndEquipment
|
113126000 | USD |
| CY2016Q4 | us-gaap |
Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent
PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent
|
49856000 | USD |
| CY2017Q4 | us-gaap |
Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent
PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent
|
57695000 | USD |
| CY2015 | us-gaap |
Preferred Stock Dividends And Other Adjustments
PreferredStockDividendsAndOtherAdjustments
|
207000 | USD |
| CY2016 | us-gaap |
Preferred Stock Dividends And Other Adjustments
PreferredStockDividendsAndOtherAdjustments
|
187000 | USD |
| CY2017 | us-gaap |
Preferred Stock Dividends And Other Adjustments
PreferredStockDividendsAndOtherAdjustments
|
197000 | USD |
| CY2016Q4 | us-gaap |
Prepaid Expense And Other Assets Current
PrepaidExpenseAndOtherAssetsCurrent
|
3735000 | USD |
| CY2017Q4 | us-gaap |
Prepaid Expense And Other Assets Current
PrepaidExpenseAndOtherAssetsCurrent
|
5596000 | USD |
| CY2015 | us-gaap |
Proceeds From Contribution In Aid Of Construction
ProceedsFromContributionInAidOfConstruction
|
3731000 | USD |
| CY2016 | us-gaap |
Proceeds From Contribution In Aid Of Construction
ProceedsFromContributionInAidOfConstruction
|
6660000 | USD |
| CY2017 | us-gaap |
Proceeds From Contribution In Aid Of Construction
ProceedsFromContributionInAidOfConstruction
|
7275000 | USD |
| CY2016 | us-gaap |
Proceeds From Income Tax Refunds
ProceedsFromIncomeTaxRefunds
|
2100000 | USD |
| CY2017 | us-gaap |
Proceeds From Income Tax Refunds
ProceedsFromIncomeTaxRefunds
|
2200000 | USD |
| CY2015 | us-gaap |
Proceeds From Payments For Other Financing Activities
ProceedsFromPaymentsForOtherFinancingActivities
|
-957000 | USD |
| CY2016 | us-gaap |
Proceeds From Payments For Other Financing Activities
ProceedsFromPaymentsForOtherFinancingActivities
|
-1490000 | USD |
| CY2017 | us-gaap |
Proceeds From Payments For Other Financing Activities
ProceedsFromPaymentsForOtherFinancingActivities
|
-1292000 | USD |
| CY2017Q2 | us-gaap |
Proceeds From Sale Of Other Assets1
ProceedsFromSaleOfOtherAssets1
|
34300000 | USD |
| CY2015 | us-gaap |
Proceeds From Sale Of Property Plant And Equipment
ProceedsFromSaleOfPropertyPlantAndEquipment
|
54000 | USD |
| CY2016 | us-gaap |
Proceeds From Sale Of Property Plant And Equipment
ProceedsFromSaleOfPropertyPlantAndEquipment
|
0 | USD |
| CY2017 | us-gaap |
Proceeds From Sale Of Property Plant And Equipment
ProceedsFromSaleOfPropertyPlantAndEquipment
|
34324000 | USD |
| CY2015 | us-gaap |
Proceeds From Stock Options Exercised
ProceedsFromStockOptionsExercised
|
1198000 | USD |
| CY2016 | us-gaap |
Proceeds From Stock Options Exercised
ProceedsFromStockOptionsExercised
|
235000 | USD |
| CY2017 | us-gaap |
Proceeds From Stock Options Exercised
ProceedsFromStockOptionsExercised
|
909000 | USD |
| CY2015 | us-gaap |
Property Plant And Equipment Additions
PropertyPlantAndEquipmentAdditions
|
87323000 | USD |
| CY2016 | us-gaap |
Property Plant And Equipment Additions
PropertyPlantAndEquipmentAdditions
|
129867000 | USD |
| CY2017 | us-gaap |
Property Plant And Equipment Additions
PropertyPlantAndEquipmentAdditions
|
113126000 | USD |
| CY2016Q4 | us-gaap |
Property Plant And Equipment Gross
PropertyPlantAndEquipmentGross
|
1620325000 | USD |
| CY2017Q4 | us-gaap |
Property Plant And Equipment Gross
PropertyPlantAndEquipmentGross
|
1674527000 | USD |
| CY2015Q4 | us-gaap |
Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
|
1060794000 | USD |
| CY2016Q4 | us-gaap |
Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
|
1150926000 | USD |
| CY2017Q4 | us-gaap |
Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
|
1204992000 | USD |
| CY2015 | us-gaap |
Provision For Doubtful Accounts
ProvisionForDoubtfulAccounts
|
870000 | USD |
| CY2016 | us-gaap |
Provision For Doubtful Accounts
ProvisionForDoubtfulAccounts
|
619000 | USD |
| CY2017 | us-gaap |
Provision For Doubtful Accounts
ProvisionForDoubtfulAccounts
|
989000 | USD |
| CY2016Q4 | us-gaap |
Public Utilities Property Plant And Equipment Accumulated Depreciation
PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation
|
532753000 | USD |
| CY2017Q4 | us-gaap |
Public Utilities Property Plant And Equipment Accumulated Depreciation
PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation
|
533370000 | USD |
| CY2015 | us-gaap |
Regulated Operating Revenue Water
RegulatedOperatingRevenueWater
|
328511000 | USD |
| CY2016 | us-gaap |
Regulated Operating Revenue Water
RegulatedOperatingRevenueWater
|
302931000 | USD |
| CY2017 | us-gaap |
Regulated Operating Revenue Water
RegulatedOperatingRevenueWater
|
306332000 | USD |
| CY2016Q4 | us-gaap |
Regulatory Assets Current
RegulatoryAssetsCurrent
|
43296000 | USD |
| CY2017Q4 | us-gaap |
Regulatory Assets Current
RegulatoryAssetsCurrent
|
34220000 | USD |
| CY2016Q4 | us-gaap |
Regulatory Assets Noncurrent
RegulatoryAssetsNoncurrent
|
102985000 | USD |
| CY2017Q4 | us-gaap |
Regulatory Assets Noncurrent
RegulatoryAssetsNoncurrent
|
0 | USD |
| CY2016Q4 | us-gaap |
Regulatory Liability Noncurrent
RegulatoryLiabilityNoncurrent
|
0 | USD |
| CY2017Q4 | us-gaap |
Regulatory Liability Noncurrent
RegulatoryLiabilityNoncurrent
|
32178000 | USD |
| CY2015 | us-gaap |
Related Party Transaction Amounts Of Transaction
RelatedPartyTransactionAmountsOfTransaction
|
2600000 | USD |
| CY2016 | us-gaap |
Related Party Transaction Amounts Of Transaction
RelatedPartyTransactionAmountsOfTransaction
|
3900000 | USD |
| CY2017 | us-gaap |
Related Party Transaction Amounts Of Transaction
RelatedPartyTransactionAmountsOfTransaction
|
4000000 | USD |
| CY2015 | us-gaap |
Repayments Of Advances For Construction
RepaymentsOfAdvancesForConstruction
|
3660000 | USD |
| CY2016 | us-gaap |
Repayments Of Advances For Construction
RepaymentsOfAdvancesForConstruction
|
3921000 | USD |
| CY2017 | us-gaap |
Repayments Of Advances For Construction
RepaymentsOfAdvancesForConstruction
|
3889000 | USD |
| CY2015 | us-gaap |
Repayments Of Long Term Debt
RepaymentsOfLongTermDebt
|
237000 | USD |
| CY2016 | us-gaap |
Repayments Of Long Term Debt
RepaymentsOfLongTermDebt
|
313000 | USD |
| CY2017 | us-gaap |
Repayments Of Long Term Debt
RepaymentsOfLongTermDebt
|
329000 | USD |
| CY2016Q4 | us-gaap |
Retained Earnings Accumulated Deficit
RetainedEarningsAccumulatedDeficit
|
247065000 | USD |
| CY2017Q4 | us-gaap |
Retained Earnings Accumulated Deficit
RetainedEarningsAccumulatedDeficit
|
279821000 | USD |
| CY2015 | us-gaap |
Sales Revenue Net
SalesRevenueNet
|
458641000 | USD |
| CY2016Q1 | us-gaap |
Sales Revenue Net
SalesRevenueNet
|
93527000 | USD |
| CY2016Q2 | us-gaap |
Sales Revenue Net
SalesRevenueNet
|
111954000 | USD |
| CY2016Q3 | us-gaap |
Sales Revenue Net
SalesRevenueNet
|
123806000 | USD |
| CY2016Q4 | us-gaap |
Sales Revenue Net
SalesRevenueNet
|
106800000 | USD |
| CY2016 | us-gaap |
Sales Revenue Net
SalesRevenueNet
|
436087000 | USD |
| CY2017Q1 | us-gaap |
Sales Revenue Net
SalesRevenueNet
|
98810000 | USD |
| CY2017Q2 | us-gaap |
Sales Revenue Net
SalesRevenueNet
|
113195000 | USD |
| CY2017Q3 | us-gaap |
Sales Revenue Net
SalesRevenueNet
|
124418000 | USD |
| CY2017Q4 | us-gaap |
Sales Revenue Net
SalesRevenueNet
|
104180000 | USD |
| CY2017 | us-gaap |
Sales Revenue Net
SalesRevenueNet
|
440603000 | USD |
| CY2015 | us-gaap |
Share Based Compensation
ShareBasedCompensation
|
2754000 | USD |
| CY2016 | us-gaap |
Share Based Compensation
ShareBasedCompensation
|
2538000 | USD |
| CY2017 | us-gaap |
Share Based Compensation
ShareBasedCompensation
|
2885000 | USD |
| CY2017Q4 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
|
69202 | shares |
| CY2015 | us-gaap |
Stock Issued During Period Shares New Issues
StockIssuedDuringPeriodSharesNewIssues
|
53612 | shares |
| CY2016 | us-gaap |
Stock Issued During Period Shares New Issues
StockIssuedDuringPeriodSharesNewIssues
|
56900 | shares |
| CY2017 | us-gaap |
Stock Issued During Period Shares New Issues
StockIssuedDuringPeriodSharesNewIssues
|
56498 | shares |
| CY2015 | us-gaap |
Stock Issued During Period Shares Stock Options Exercised
StockIssuedDuringPeriodSharesStockOptionsExercised
|
66458 | shares |
| CY2016 | us-gaap |
Stock Issued During Period Shares Stock Options Exercised
StockIssuedDuringPeriodSharesStockOptionsExercised
|
12546 | shares |
| CY2017 | us-gaap |
Stock Issued During Period Shares Stock Options Exercised
StockIssuedDuringPeriodSharesStockOptionsExercised
|
52936 | shares |
| CY2015 | us-gaap |
Stock Issued During Period Value New Issues
StockIssuedDuringPeriodValueNewIssues
|
1198000 | USD |
| CY2015 | us-gaap |
Stock Repurchased During Period Value
StockRepurchasedDuringPeriodValue
|
72893000 | USD |
| CY2014Q4 | us-gaap |
Stockholders Equity
StockholdersEquity
|
506801000 | USD |
| CY2015Q4 | us-gaap |
Stockholders Equity
StockholdersEquity
|
465945000 | USD |
| CY2016Q4 | us-gaap |
Stockholders Equity
StockholdersEquity
|
494297000 | USD |
| CY2017Q4 | us-gaap |
Stockholders Equity
StockholdersEquity
|
529945000 | USD |
| CY2015 | us-gaap |
Taxes Excluding Income And Excise Taxes
TaxesExcludingIncomeAndExciseTaxes
|
16636000 | USD |
| CY2016 | us-gaap |
Taxes Excluding Income And Excise Taxes
TaxesExcludingIncomeAndExciseTaxes
|
16801000 | USD |
| CY2017 | us-gaap |
Taxes Excluding Income And Excise Taxes
TaxesExcludingIncomeAndExciseTaxes
|
17905000 | USD |
| CY2016Q4 | us-gaap |
Taxes Payable Current
TaxesPayableCurrent
|
149000 | USD |
| CY2017Q4 | us-gaap |
Taxes Payable Current
TaxesPayableCurrent
|
225000 | USD |
| CY2016Q4 | us-gaap |
Unbilled Receivables Current
UnbilledReceivablesCurrent
|
24391000 | USD |
| CY2017Q4 | us-gaap |
Unbilled Receivables Current
UnbilledReceivablesCurrent
|
26411000 | USD |
| CY2015 | us-gaap |
Undistributed Earnings
UndistributedEarnings
|
27587000 | USD |
| CY2016 | us-gaap |
Undistributed Earnings
UndistributedEarnings
|
26148000 | USD |
| CY2017 | us-gaap |
Undistributed Earnings
UndistributedEarnings
|
32753000 | USD |
| CY2015 | us-gaap |
Undistributed Earnings Loss Allocated To Participating Securities Basic
UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic
|
-173000 | USD |
| CY2016 | us-gaap |
Undistributed Earnings Loss Allocated To Participating Securities Basic
UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic
|
-145000 | USD |
| CY2015 | us-gaap |
Undistributed Earnings Loss Allocated To Participating Securities Diluted
UndistributedEarningsLossAllocatedToParticipatingSecuritiesDiluted
|
-173000 | USD |
| CY2016 | us-gaap |
Undistributed Earnings Loss Allocated To Participating Securities Diluted
UndistributedEarningsLossAllocatedToParticipatingSecuritiesDiluted
|
-145000 | USD |
| CY2017 | us-gaap |
Undistributed Earnings Loss Allocated To Participating Securities Diluted
UndistributedEarningsLossAllocatedToParticipatingSecuritiesDiluted
|
-176000 | USD |
| CY2017Q4 | us-gaap |
Unrecognized Tax Benefits
UnrecognizedTaxBenefits
|
0 | USD |
| CY2015 | us-gaap |
Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
|
37614000 | shares |
| CY2016 | us-gaap |
Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
|
36750000 | shares |
| CY2017 | us-gaap |
Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
|
36844000 | shares |
| CY2015 | us-gaap |
Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
|
37389000 | shares |
| CY2016 | us-gaap |
Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
|
36552000 | shares |
| CY2017 | us-gaap |
Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
|
36638000 | shares |
