XML 95 R73.htm IDEA: XBRL DOCUMENT v3.6.0.2
Bank segment (HEI only) - Statements of Comprehensive Income (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Dec. 31, 2016
Sep. 30, 2016
Jun. 30, 2016
Mar. 31, 2016
Dec. 31, 2015
Sep. 30, 2015
Jun. 30, 2015
Mar. 31, 2015
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Net income $ 45,107 $ 127,613 $ 44,601 $ 32,825 $ 42,793 $ 51,144 $ 35,491 $ 32,339 $ 250,146 $ 161,767 $ 170,019
Net unrealized gains (losses) on available-for sale investment securities:                      
Net unrealized gains (losses) on available-for sale investment securities arising during the period, net of (taxes) benefits of $3,763, $1,541 and $(3,856) for 2016, 2015 and 2014, respectively                 (5,699) (2,334) 5,840
Less: reclassification adjustment for net realized gains included in net income, net of taxes of $238, nil and $1,132 for 2016, 2015 and 2014, respectively                 (360) 0 (1,715)
Retirement benefit plans:                      
Net gains (losses) arising during the period, net of (taxes) benefits of nil, $(59) and $6,164 for 2016, 2015 and 2014, respectively                 (43,510) 5,889 (234,166)
Less: amortization of prior service credit and net losses recognized during the period in net periodic benefit cost, net of tax benefits of $566, $1,011 and $561 for 2016, 2015 and 2014, respectively                 14,518 22,465 11,344
Other comprehensive income (loss), net of taxes                 (6,867) 1,116 (10,628)
Comprehensive income attributable to Hawaiian Electric Company, Inc.                 241,389 160,993 157,501
American Savings Bank (ASB)                      
Net income                 57,279 54,730 51,301
Net unrealized gains (losses) on available-for sale investment securities:                      
Net unrealized gains (losses) on available-for sale investment securities arising during the period, net of (taxes) benefits of $3,763, $1,541 and $(3,856) for 2016, 2015 and 2014, respectively                 (5,699) (2,334) 5,840
Less: reclassification adjustment for net realized gains included in net income, net of taxes of $238, nil and $1,132 for 2016, 2015 and 2014, respectively                 (360) 0 (1,715)
Retirement benefit plans:                      
Net gains (losses) arising during the period, net of (taxes) benefits of nil, $(59) and $6,164 for 2016, 2015 and 2014, respectively                 0 90 (9,336)
Less: amortization of prior service credit and net losses recognized during the period in net periodic benefit cost, net of tax benefits of $566, $1,011 and $561 for 2016, 2015 and 2014, respectively                 857 1,531 850
Other comprehensive income (loss), net of taxes                 (5,202) (713) (4,361)
Comprehensive income attributable to Hawaiian Electric Company, Inc.                 $ 52,077 $ 54,017 $ 46,940