Bank segment (HEI only) Credit Risk Profile Based on Aging Loans (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2015	Dec. 31, 2014
Credit risk profile based on nonaccrual loans
Nonaccrual loans	$ 46,035	$ 36,886
Accruing loans 90 days or more past due	0	0
Troubled debt restructured loans not included above	22,246	24,107
Residential 1-4 family
Credit risk profile based on nonaccrual loans
Nonaccrual loans	20,554	19,253
Accruing loans 90 days or more past due	0	0
Troubled debt restructured loans not included above	13,962	13,525
Commercial real estate
Credit risk profile based on nonaccrual loans
Nonaccrual loans	1,188	5,112
Accruing loans 90 days or more past due	0	0
Troubled debt restructured loans not included above	0	0
Home equity line of credit
Credit risk profile based on nonaccrual loans
Nonaccrual loans	2,254	1,087
Accruing loans 90 days or more past due	0	0
Troubled debt restructured loans not included above	2,467	480
Residential land
Credit risk profile based on nonaccrual loans
Nonaccrual loans	970	720
Accruing loans 90 days or more past due	0	0
Troubled debt restructured loans not included above	4,713	7,130
Commercial construction
Credit risk profile based on nonaccrual loans
Nonaccrual loans	0	0
Accruing loans 90 days or more past due	0	0
Troubled debt restructured loans not included above	0	0
Residential construction
Credit risk profile based on nonaccrual loans
Nonaccrual loans	0	0
Accruing loans 90 days or more past due	0	0
Troubled debt restructured loans not included above	0	0
Commercial loans
Credit risk profile based on nonaccrual loans
Nonaccrual loans	20,174	10,053
Accruing loans 90 days or more past due	0	0
Troubled debt restructured loans not included above	1,104	2,972
Consumer loans
Credit risk profile based on nonaccrual loans
Nonaccrual loans	895	661
Accruing loans 90 days or more past due	0	0
Troubled debt restructured loans not included above	$ 0	$ 0

Post-modification amount of investment in financing receivables modified by troubled debt restructurings.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953676-111524

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 7
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=35738203&loc=d3e5111-111524

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