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Spin-Off and Merger - Income Statement (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2018 | Jun. 30, 2017
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Income tax expense | $ 6,820 | $ 12,327 | $ 14,222 | $ 19,336
Net income (loss) | 23,663 | 23,722 | 47,804 | 49,469
Preferred stock dividends | 3,615 | 3,615 | 7,229 | 7,229
Net income (loss) available to common shareholders | $ 20,048 | 20,107 | $ 40,575 | 42,240
Discontinued Operations, Disposed of by Means Other than Sale, Spinoff |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Interest income |  | 93,852 |  | 176,946
Interest expense |  | 25,246 |  | 45,922
Net interest income |  | 68,606 |  | 131,024
Provision for loan losses |  | 535 |  | 3,585
Non-interest income |  | 18,391 |  | 41,144
Non-interest expense |  | 50,413 |  | 99,778
Income from continuing operations before income taxes |  | 36,049 |  | 68,805
Income tax expense |  | 12,327 |  | 19,336
Net income from continuing operations |  | 23,722 |  | 49,469
Loss from discontinued operations before income tax benefit |  | 0 |  | 0
Income tax benefit from discontinued operations |  | 0 |  | 0
Net loss from discontinued operations |  | 0 |  | 0
Net income (loss) |  | 23,722 |  | 49,469
Preferred stock dividends |  | 3,615 |  | 7,229
Net income (loss) available to common shareholders |  | 20,107 |  | 42,240
Previously Reported | Discontinued Operations, Disposed of by Means Other than Sale, Spinoff |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Interest income |  | 93,852 |  | 176,946
Interest expense |  | 25,236 |  | 45,906
Net interest income |  | 68,616 |  | 131,040
Provision for loan losses |  | 535 |  | 3,585
Non-interest income |  | 6,971 |  | 12,398
Non-interest expense |  | 30,567 |  | 60,714
Income from continuing operations before income taxes |  | 44,485 |  | 79,139
Income tax expense |  | 15,533 |  | 23,263
Net income from continuing operations |  | 28,952 |  | 55,876
Loss from discontinued operations before income tax benefit |  | (8,436) |  | (10,334)
Income tax benefit from discontinued operations |  | (3,206) |  | (3,927)
Net loss from discontinued operations |  | (5,230) |  | (6,407)
Net income (loss) |  | 23,722 |  | 49,469
Preferred stock dividends |  | 3,615 |  | 7,229
Net income (loss) available to common shareholders |  | 20,107 |  | 42,240
Adjustment | BankMobile | Discontinued Operations, Disposed of by Means Other than Sale, Spinoff |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Interest income |  | 0 |  | 0
Interest expense |  | 10 |  | 16
Net interest income |  | (10) |  | (16)
Provision for loan losses |  | 0 |  | 0
Non-interest income |  | 11,420 |  | 28,746
Non-interest expense |  | 19,846 |  | 39,064
Income from continuing operations before income taxes |  | (8,436) |  | (10,334)
Income tax expense |  | (3,206) |  | (3,927)
Net income from continuing operations |  | (5,230) |  | (6,407)
Loss from discontinued operations before income tax benefit |  | 8,436 |  | 10,334
Income tax benefit from discontinued operations |  | 3,206 |  | 3,927
Net loss from discontinued operations |  | 5,230 |  | 6,407
Net income (loss) |  | 0 |  | 0
Preferred stock dividends |  | 0 |  | 0
Net income (loss) available to common shareholders |  | $ 0 |  | $ 0

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