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Summary of significant accounting policies (Tables) | 12 Months Ended
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Dec. 31, 2013
Accounting Policies [Abstract] |
Schedule of earnings per share basic and diluted under two-class method | Under the two-class method, HEI's EPS was comprised as follows for both participating securities and unrestricted common stock:
| 2013 |  | 2012 |  | 2011
| Basic |  |  | Diluted |  |  | Basic |  |  | Diluted |  |  | Basic |  |  | Diluted |
Distributed earnings | $ | 1.24 |  |  | $ | 1.24 |  |  | $ | 1.24 |  |  | $ | 1.24 |  |  | $ | 1.24 |  |  | $ | 1.24 |
Undistributed earnings | 0.39 |  |  | 0.38 |  |  | 0.19 |  |  | 0.18 |  |  | 0.21 |  |  | 0.20 |
| $ | 1.63 |  |  | $ | 1.62 |  |  | $ | 1.43 |  |  | $ | 1.42 |  |  | $ | 1.45 |  |  | $ | 1.44 |
Schedule of amortized intangible assets | Amortized intangible assets. The table below presents the gross carrying amount, accumulated amortization, valuation allowance and net carrying amount of ASB’s mortgage servicing assets as of December 31, 2013 and 2012:
December 31 | 2013 |  | 2012
(in thousands) | Gross carrying amount |  | Accumulated amortization |  | Valuation allowance |  | Net carrying amount |  | Gross carrying amount |  | Accumulated amortization |  | Valuation allowance |  | Net carrying amount
Mortgage servicing assets | $ | 25,644 |  |  | (13,706 | ) |  | (251 | ) |  | $ | 11,687 |  |  | $ | 25,835 |  |  | (14,519 | ) |  | (498 | ) |  | $ | 10,818 |
Schedule of changes in valuation allowance for mortgage servicing assets | Changes in the valuation allowance for mortgage servicing assets were as follows:
(in thousands) | 2013 |  |  | 2012 |  |  | 2011 |
Valuation allowance, January 1 | $ | 498 |  |  | $ | 175 |  |  | $ | 128 |
Provision (recovery) | (60 | ) |  | 504 |  |  | 121 |
Other-than-temporary impairment | (187 | ) |  | (181 | ) |  | (74 | )
Valuation allowance, December 31 | $ | 251 |  |  | $ | 498 |  |  | $ | 175 |

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- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16323-109275 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16265-109275 + Details
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- Definition Tabular disclosure of the activity by class in any valuation allowance for impairment of recognized servicing assets - including beginning and ending balances, aggregate additions charged and recoveries credited to operations, and aggregate write-downs charged against allowance. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 50 -Paragraph 4 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=7882072&loc=d3e122739-111746 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 140 -Paragraph 17 -Subparagraph g(5) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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