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Parent Company Financial Information - Statements of Income (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Dividend income: |  |  |
Total dividend income | $ 10,555 | $ 0 | $ 0
Other income/(loss) | 78,395 | 44,885 | 64,231
Interest expense: |  |  |
Interest on term borrowings | 53,047 | 36,037 | 29,103
Total interest expense | 325,704 | 147,616 | 88,825
Compensation, employee benefits and other expense | 658,223 | 587,465 | 563,791
Income/(loss) before income taxes | 714,109 | 308,872 | 345,321
Tax expense/(benefit) | 157,602 | 131,892 | 106,810
Equity in undistributed net income/(loss) of subsidiaries: |  |  |
Net income/(loss) attributable to controlling interest | 545,042 | 165,515 | 227,046
Parent Company |  |  |
Dividend income: |  |  |
Bank | 420,000 | 250,000 | 250,000
Non-bank | 1,386 | 1,097 | 1,361
Total dividend income | 421,386 | 251,097 | 251,361
Other income/(loss) | 112 | 190 | (207)
Total income | 421,498 | 251,287 | 251,154
Interest expense: |  |  |
Interest on term borrowings | 31,315 | 17,936 | 14,238
Total interest expense | 31,315 | 17,936 | 14,238
Compensation, employee benefits and other expense | 53,401 | 43,783 | 38,926
Total expense | 84,716 | 61,719 | 53,164
Income/(loss) before income taxes | 336,782 | 189,568 | 197,990
Tax expense/(benefit) | (38,509) | 512 | (22,981)
Income/(loss) before equity in undistributed net income of subsidiaries | 375,291 | 189,056 | 220,971
Equity in undistributed net income/(loss) of subsidiaries: |  |  |
Bank | 170,939 | (24,255) | 9,508
Non-bank | (1,188) | 714 | (3,433)
Net income/(loss) attributable to controlling interest | $ 545,042 | $ 165,515 | $ 227,046

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