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Allowance for Doubtful Accounts (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Changes in allowance for doubtful accounts |  |  |
Balance at beginning of year | $ 1,228 | $ 1,048 | $ 1,051
Provision charged to expense | 1,145 | 1,710 | 938
Accounts written off, net of recoveries | 1,186 | 1,530 | 941
Balance at end of year | 1,187 | 1,228 | 1,048
Components of allowance for doubtful accounts |  |  |
Allowance for doubtful accounts related to accounts receivable-customer | 755 | 797 | 715
Allowance for doubtful accounts related to receivable from U.S. government | 0 | 8 | 0
Allowance for doubtful accounts related to other accounts receivable | 432 | 423 | 333
Total allowance for doubtful accounts | 1,187 | 1,228 | 1,048
GSWC |  |  |
Changes in allowance for doubtful accounts |  |  |
Balance at beginning of year | 1,177 | 1,005 | 1,005
Provision charged to expense | 1,056 | 1,668 | 859
Accounts written off, net of recoveries | 1,119 | 1,496 | 859
Balance at end of year | 1,114 | 1,177 | 1,005
Components of allowance for doubtful accounts |  |  |
Allowance for doubtful accounts related to accounts receivable-customer | 755 | 797 | 715
Allowance for doubtful accounts related to other accounts receivable | 359 | 380 | 290
Total allowance for doubtful accounts | $ 1,114 | $ 1,177 | $ 1,005

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- Details
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- Definition Represents the amount of direct write-downs of receivables, net of recoveries, charged against the allowance for doubtful accounts. + References No definition available. + Details
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- Definition Represents the provision for doubtful accounts related to other accounts receivable. + References No definition available. + Details
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- Definition Represents the provision for doubtful accounts related to accounts receivable from customers. + References No definition available. + Details
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- Definition Represents the provision for doubtful accounts related to receivable from the U.S. government. + References No definition available. + Details
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Namespace Prefix: | awr_
Data Type: | xbrli:monetaryItemType
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- Definition Amount of the current period expense charged against continuing operations, the offset which is generally to the allowance for doubtful accounts for the purpose of reducing receivables, including notes receivable, to an amount that approximates their net realizable value (the amount expected to be collected). + References No definition available. + Details
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- Definition For an unclassified balance sheet, a valuation allowance for receivables due a company that are expected to be uncollectible. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5074-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 4 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.10) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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