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SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Valuation and qualifying accounts |  |  |
Reclassifications of allowance from one customer account into long term assets | $ 841 | $ 1,790 | $ 2,303
Allowance for uncollectible accounts – electric utility | Hawaiian Electric Company, Inc. and Subsidiaries |  |  |
Valuation and qualifying accounts |  |  |
Balance at beginning of period | 1,121 | 1,699 | 1,959
Charged to costs and expenses | 1,810 | 2,383 | 3,653
Charged to other accounts | 785 | 877 | 977
Deductions | 2,538 | 3,838 | 4,890
Balance at end of period | 1,178 | 1,121 | 1,699
Allowance for uncollectible interest – bank | Bank |  |  |
Valuation and qualifying accounts |  |  |
Balance at beginning of period | 1,834 | 1,679 | 1,514
Charged to costs and expenses | 0 | 0 | 0
Charged to other accounts | 0 | 155 | 165
Deductions | 1,467 | 0 | 0
Balance at end of period | 367 | 1,834 | 1,679
Allowance for losses for loans receivable – bank | Bank |  |  |
Valuation and qualifying accounts |  |  |
Balance at beginning of period | 55,533 | 50,038 | 45,618
Charged to costs and expenses | 10,901 | 16,763 | 6,275
Charged to other accounts | 4,016 | 2,977 | 4,571
Deductions | 16,813 | 14,245 | 6,426
Balance at end of period | 53,637 | 55,533 | 50,038
Allowance for mortgage-servicing assets – bank | Bank |  |  |
Valuation and qualifying accounts |  |  |
Balance at beginning of period |  | 0 | 209
Charged to costs and expenses |  |  | 0
Charged to other accounts |  |  | (205)
Deductions |  |  | 4
Balance at end of period |  |  | 0
Deferred tax valuation allowance – HEI |  |  |
Valuation and qualifying accounts |  |  |
Balance at beginning of period | 38 | 54 | 45
Charged to costs and expenses | 0 | 0 | 9
Charged to other accounts | 0 | 0 | 0
Deductions | 38 | 16 | 0
Balance at end of period | $ 0 | $ 38 | $ 54

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- Definition Total of allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 + Details
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