Bank subsidiary (HEI only) (Details 19) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Derivative instrument
Net gains (losses) recognized in the Statement of Income	$ 603	$ 0	$ 0
Not Designated as Hedging Instrument [Member]
Derivative instrument
Asset derivative	629	0
Liability derivative	26	0
Forward Contracts [Member]
Derivative instrument
Notional amount	26,018	86,563
Fair value	139	0
Forward Contracts [Member] \| Not Designated as Hedging Instrument [Member]
Derivative instrument
Asset derivative	141	0
Liability derivative	2	0
Forward Contracts [Member] \| Not Designated as Hedging Instrument [Member] \| Mortgage banking income [Member]
Derivative instrument
Net gains (losses) recognized in the Statement of Income	139	0	0
Interest Rate Lock Commitments [Member]
Derivative instrument
Notional amount	25,070	60,428
Fair value	464	0
Interest Rate Lock Commitments [Member] \| Not Designated as Hedging Instrument [Member]
Derivative instrument
Asset derivative	488	0
Liability derivative	24	0
Interest Rate Lock Commitments [Member] \| Not Designated as Hedging Instrument [Member] \| Mortgage banking income [Member]
Derivative instrument
Net gains (losses) recognized in the Statement of Income	$ 464	$ 0	$ 0

Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Article 12

-Section 13

-Sentence Column B

+ Details

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Data Type:	xbrli:monetaryItemType
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- Definition

Fair value of the gross assets less the gross liabilities of a derivative asset or group of derivative assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 10

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13433-108611

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 45

-Paragraph 5

-URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41228-113958

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 15

-URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13495-108611

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 45

-Paragraph 6

-URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41271-113958

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- Definition

Fair value of the assets less the liabilities of a derivative or group of derivatives.

+ References

+ Details

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- Definition

Net Increase or Decrease in the fair value of the derivative or group of derivatives included in earnings.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4A

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5618551-113959

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- Definition

Fair value of the gross liabilities less the gross assets of a derivative liability or group of derivative liabilities.

+ References

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