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Bank segment - Reconciliation of Income (Details) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2019 | Mar. 31, 2018
Condensed Income Statements, Captions [Line Items] |  |
Total revenues | $ 661,615 | $ 645,874
Less: Retirement defined benefits gain (expense)—other than service costs | (763) | (1,833)
Total expenses | 583,678 | 573,985
Operating income | 77,937 | 71,889
Income before income taxes | 58,039 | 53,276
American Savings Bank (ASB) |  |
Condensed Income Statements, Captions [Line Items] |  |
Interest and dividend income | 68,488 | 62,002
Total noninterest income | 14,564 | 13,417
Total revenues | 83,052 | 75,419
Total interest expense | 4,780 | 3,453
Provision for loan losses | 6,870 | 3,541
Noninterest expense | 45,240 | 43,925
Less: Retirement defined benefits gain (expense)—other than service costs | (40) | 387
Total expenses | 56,930 | 50,532
Operating income | 26,122 | 24,887
Income before income taxes | $ 26,162 | $ 24,500

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- Definition Represents the total of interest and dividend income, including any amortization and accretion (as applicable) of discounts and premiums, earned from (1) loans and leases whether held-for-sale or held-in-portfolio; (2) investment securities; (3) federal funds sold; (4) securities purchased under agreements to resell; (5) investments in banker's acceptances, commercial paper, or certificates of deposit; (6) dividend income; or (7) other investments not otherwise specified herein. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.1-5) -URI http://asc.fasb.org/extlink&oid=114873765&loc=SL114874048-224260 + Details
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