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Bank segment - Reconciliation of Income (Details) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2020 | Mar. 31, 2019
Condensed Income Statements, Captions [Line Items] |  |
Total revenues | $ 677,186 | $ 661,615
Less: Retirement defined benefits gain (expense)—other than service costs | (934) | (763)
Total expenses | 617,484 | 583,678
Operating income | 59,702 | 77,937
Income before income taxes | 39,696 | 58,039
American Savings Bank (ASB) |  |
Condensed Income Statements, Captions [Line Items] |  |
Interest and dividend income | 64,975 | 68,488
Total noninterest income | 14,763 | 14,564
Total revenues | 79,738 | 83,052
Total interest expense | 3,900 | 4,780
Provision for credit losses | 10,401 | 6,870
Noninterest expense | 46,468 | 45,240
Less: Retirement defined benefits gain (expense)—other than service costs | 434 | (40)
Total expenses | 60,335 | 56,930
Operating income | 19,403 | 26,122
Income before income taxes | $ 18,969 | $ 26,162

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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=116637391&loc=SL114874048-224260 + Details
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