Bank subsidiary (HEI only) (Details 7) (USD $)	12 Months Ended
	Dec. 31, 2013 grade	Dec. 31, 2012	Dec. 31, 2011
Derivative instrument
Standby, commercial and banker's acceptance letters of credit	$ 15,700,000	$ 10,500,000
Undrawn consumer lines of credit, including credit cards	1,100,000,000	1,000,000,000
Undrawn commercial loans including lines of credit	396,400,000	376,200,000
Real estate loans for investors	1,400,000,000	1,300,000,000	1,000,000,000
Loans pledged as collateral to secure advances from the FHLB of Seattle	1,700,000,000	1,000,000,000
Loans to directors, executive directors, affiliates and any related interest of such individuals	45,800,000	70,900,000
Lines of credit closed and repaid, net of new loans and lines of credit to executive directors	25,100,000
New loans and lines of credit to executive directors	500,000
Lines of credit closed and repaid	25,600,000
Loan balances, related interests of individuals who are directors	$ 40,500,000	$ 65,900,000
Categorization of loan grades considered special mention grades	7
Categorization of loan grades considered substandard grades	8
Categorization of loan grades considered doubtful grades	9
Categorization of loan grades considered loss grades	10
Residential real estate
Period of all residential real estate loans in delinquency	180 days
Minimum
Derivative instrument
Categorization of loan grades considered pass grades	1
Residential real estate
Period in delinquency status of past due unsecured consumer loans to be considered for write off	120 days
Maximum
Derivative instrument
Categorization of loan grades considered pass grades	6
Residential real estate
Period in delinquency status of past due unsecured consumer loans to be considered for write off	180 days