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CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands | Mar. 31, 2016 | Dec. 31, 2015
--- | --- | ---
Property, Plant and Equipment |  |
Regulated utility plant, at cost | $ 1,607,283 | $ 1,578,865
Non-utility property, at cost | 12,127 | 11,627
Utility plant, at cost | 1,619,410 | 1,590,492
Less - Accumulated depreciation | (540,092) | (529,698)
Net property, plant and equipment | 1,079,318 | 1,060,794
Other Property and Investments |  |
Goodwill | 1,116 | 1,116
Other property and investments | 18,687 | 18,710
Total other property and investments | 19,803 | 19,826
Current Assets |  |
Cash and cash equivalents | 8,457 | 4,364
Accounts receivable - customers, less allowance for doubtful accounts | 16,183 | 18,940
Unbilled receivable | 18,233 | 19,490
Receivable from the U.S. government | 4,076 | 5,861
Other accounts receivable, less allowance for doubtful accounts | 1,448 | 2,302
Income taxes receivable | 7,571 | 10,793
Materials and supplies, at average cost | 5,180 | 5,415
Regulatory assets — current | 33,555 | 30,134
Prepayments and other current assets | 5,453 | 3,229
Costs and estimated earnings in excess of billings on uncompleted contracts | 30,969 | 32,169
Total current assets | 131,125 | 132,697
Regulatory and Other Assets |  |
Regulatory assets | 110,643 | 102,562
Costs and estimated earnings in excess of billings on uncompleted contracts | 21,253 | 21,330
Other | 6,749 | 6,750
Total regulatory and other assets | 138,645 | 130,642
Total Assets | 1,368,891 | 1,343,959
Capitalization |  |
Common shares, no par value | 244,568 | 245,022
Earnings reinvested in the business | 222,833 | 220,923
Total common shareholders’ equity | 467,401 | 465,945
Long-term debt | 320,910 | 320,900
Total capitalization | 788,311 | 786,845
Current Liabilities |  |
Notes Payable to Bank, Current | 43,000 | 28,000
Long-term debt — current | 318 | 312
Accounts payable | 47,856 | 50,585
Income taxes payable | 454 | 68
Accrued other taxes | 5,882 | 8,142
Accrued employee expenses | 11,966 | 11,748
Accrued interest | 6,623 | 3,626
Unrealized loss on purchased power contracts | 7,245 | 7,053
Billings in excess of costs and estimated earnings on uncompleted contracts | 5,540 | 3,764
Other | 10,167 | 10,209
Total current liabilities | 139,051 | 123,507
Other Credits |  |
Advances for construction | 68,802 | 68,041
Contributions in aid of construction - net | 117,386 | 117,810
Deferred income taxes | 195,511 | 192,852
Unamortized investment tax credits | 1,591 | 1,612
Accrued pension and other postretirement benefits | 47,653 | 42,666
Other | 10,586 | 10,626
Total other credits | $ 441,529 | $ 433,607
Commitments and Contingencies (Note 8) |  |
Total Capitalization and Liabilities | $ 1,368,891 | $ 1,343,959
GOLDEN STATE WATER COMPANY |  |
Property, Plant and Equipment |  |
Utility plant, at cost | 1,607,283 | 1,578,865
Less - Accumulated depreciation | (532,885) | (522,749)
Net property, plant and equipment | 1,074,398 | 1,056,116
Other Property and Investments |  |
Total other property and investments | 16,561 | 16,581
Current Assets |  |
Cash and cash equivalents | 3,486 | 2,501
Accounts receivable - customers, less allowance for doubtful accounts | 16,183 | 18,940
Unbilled receivable | 16,497 | 18,181
Inter-company receivable | 329 | 54
Other accounts receivable, less allowance for doubtful accounts | 928 | 1,455
Income taxes receivable from Parent | 7,852 | 11,000
Materials and supplies, at average cost | 4,345 | 4,860
Regulatory assets — current | 33,555 | 30,134
Prepayments and other current assets | 4,546 | 2,793
Total current assets | 87,721 | 89,918
Regulatory and Other Assets |  |
Regulatory assets | 110,643 | 102,562
Other | 6,714 | 6,702
Total regulatory and other assets | 117,357 | 109,264
Total Assets | 1,296,037 | 1,271,879
Capitalization |  |
Common shares, no par value | 238,233 | 238,795
Earnings reinvested in the business | 185,567 | 184,935
Total common shareholders’ equity | 423,800 | 423,730
Long-term debt | 320,910 | 320,900
Total capitalization | 744,710 | 744,630
Current Liabilities |  |
Inter-company payable | 27,033 | 12,000
Long-term debt — current | 318 | 312
Accounts payable | 40,039 | 39,610
Accrued other taxes | 5,522 | 7,830
Accrued employee expenses | 10,657 | 10,630
Accrued interest | 6,352 | 3,599
Unrealized loss on purchased power contracts | 7,245 | 7,053
Other | 9,895 | 9,921
Total current liabilities | 107,061 | 90,955
Other Credits |  |
Advances for construction | 68,802 | 68,041
Contributions in aid of construction - net | 117,386 | 117,810
Deferred income taxes | 198,362 | 195,658
Unamortized investment tax credits | 1,591 | 1,612
Accrued pension and other postretirement benefits | 47,653 | 42,666
Other | 10,472 | 10,507
Total other credits | $ 444,266 | $ 436,294
Commitments and Contingencies (Note 8) |  |
Total Capitalization and Liabilities | $ 1,296,037 | $ 1,271,879

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- Definition This element represents the cumulative net gain (loss) amount, at the balance sheet date, of market value of open agreements to purchase or sell energy at some future point. + References No definition available. + Details
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- Definition This element represents the gross amount, at the balance sheet date, of non utility property assets used in the normal conduct of business and not intended for resale owned by a utility entity. + References No definition available. + Details
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- Definition This element represents aggregate amount of capitalized assets classified as property, plant and equipment and other noncurrent investments not otherwise defined in the taxonomy, and also include goodwill, as of the balance sheet date. + References No definition available. + Details
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- Definition This element represents aggregate carrying amount, at the balance sheet date, of noncurrent regulatory assets held by public utility entities and other noncurrent assets not separately disclosed in the balance sheet. + References No definition available. + Details
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- Definition This element represents the gross amount, at the balance sheet date, of long-lived physical assets used in the normal conduct of business and not intended for resale owned by a utility entity used in the operations of the entity. + References No definition available. + Details
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