XML 135 R101.htm IDEA: XBRL DOCUMENT v2.4.0.8

Fair value measurements (Details 3) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013
Discounted cash flow
Fair value measurements
Discount rate (as a percent)	8.50%
Fair Value, Inputs, Level 3 | Residential loan | Fair value of property or collateral
Fair value measurements
Fair value	$ 2,361
Fair Value Assumptions, Appraised Value, Weighted Average Rate	87.00%
Fair Value, Inputs, Level 3 | Residential loan | Fair value of property or collateral | Minimum
Fair value measurements
Appraised value (as a percent)	44.00%
Fair Value, Inputs, Level 3 | Residential loan | Fair value of property or collateral | Maximum
Fair value measurements
Appraised value (as a percent)	96.00%
Fair Value, Inputs, Level 3 | Home equity line of credit | Fair value of property or collateral
Fair value measurements
Fair value	170
Fair Value Assumptions, Appraised Value, Weighted Average Rate	50.00%
Fair Value, Inputs, Level 3 | Home equity line of credit | Fair value of property or collateral | Minimum
Fair value measurements
Appraised value (as a percent)	45.00%
Fair Value, Inputs, Level 3 | Home equity line of credit | Fair value of property or collateral | Maximum
Fair value measurements
Appraised value (as a percent)	50.00%
Fair Value, Inputs, Level 3 | Commercial loans
Fair value measurements
Fair value	4,416
Fair Value, Inputs, Level 3 | Commercial loan 1 | Fair value of property or collateral
Fair value measurements
Fair value	217
Fair value of business assets (as a percent)	19.00%
Fair Value, Inputs, Level 3 | Commercial loan 2 | Fair value of property or collateral
Fair value measurements
Fair value	$ 1,668
Fair Value, Inputs, Level 3 | Commercial loan 2 | Discounted cash flow
Fair value measurements
Present value of expected future cash flows based on anticipated debt restructuring (as a percent)	58.00%
Discount rate (as a percent)	4.50%

X

- Definition

Fair Value Assumptions, Appraised Value, Weighted Average Rate

+ References

No definition available.

+ Details

Name:	he_FairValueAssumptionsAppraisedValueWeightedAverageRate
Namespace Prefix:	he_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Represents the appraised value used as an input to measure fair value, expressed as a percentage.

+ References

No definition available.

+ Details

Name:	he_FairValueInputsAppraisedValueRate
Namespace Prefix:	he_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Represents the fair value of business assets used as an input to measure fair value, expressed as a percentage.

+ References

No definition available.

+ Details

Name:	he_FairValueInputsFairValueOfBusinessAssetsRate
Namespace Prefix:	he_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Represents the anticipated debt restructuring for pay down of loan used as an input to measure fair value, expressed as a percentage.

+ References

No definition available.

+ Details

Name:	he_FairValueInputsPaydownOfLoansRate
Namespace Prefix:	he_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

This element represents the aggregate of the assets reported on the balance sheet at period end measured at fair value by the entity. This element is intended to be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258

+ Details

Name:	us-gaap_AssetsFairValueDisclosure
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

Name:	us-gaap_FairValueInputsAssetsQuantitativeInformationLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (bbb)

-URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258

+ Details

Name:	us-gaap_FairValueInputsDiscountRate
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration