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INVESTMENTS IN QUALIFIED AFFORDABLE HOUSING PARTNERSHIPS, TAX CREDIT AND OTHER INVESTMENTS, NET (Tables) | 6 Months Ended
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Jun. 30, 2015
INVESTMENTS IN QUALIFIED AFFORDABLE HOUSING PARTNERSHIPS, TAX CREDIT AND OTHER INVESTMENTS, NET |
Summary of the impact of new accounting guidance |
|  | December 31, 2014
($ in thousands) |  | As Previously Reported |  | As Revised
Consolidated Balance Sheet: |  |  |  |
Investments in qualified affordable housing partnerships, net |  | $ | 178,652 |  |  | $ | 178,962 |
Other assets - Deferred tax assets |  | $ | 384,367 |  |  | $ | 389,601 |
Retained earnings |  | $ | 1,598,598 |  |  | $ | 1,604,141 |
|  | Three Months Ended June 30, 2014 |  | Six Months Ended June 30, 2014
($ in thousands, except per share data) |  | As Previously Reported |  | As Revised |  | As Previously Reported |  | As Revised
Consolidated Statements of Income: |  |  |  |  |  |  |  |
Noninterest expense — Amortization of tax credit and other investments |  | $ | 12,851 |  |  | $ | 5,490 |  |  | $ | 18,815 |  |  | $ | 6,982 |
Income before income taxes |  | $ | 115,606 |  |  | $ | 122,966 |  |  | $ | 227,296 |  |  | $ | 239,129 |
Income tax expense |  | $ | 31,618 |  |  | $ | 38,661 |  |  | $ | 66,567 |  |  | $ | 80,653 |
Net income |  | $ | 83,988 |  |  | $ | 84,305 |  |  | $ | 160,729 |  |  | $ | 158,476 |
Earnings Per Share |  |  |  |  |  |  |  |
Basic |  | $ | 0.59 |  |  | $ | 0.59 |  |  | $ | 1.13 |  |  | $ | 1.11 |
Diluted |  | $ | 0.58 |  |  | $ | 0.59 |  |  | $ | 1.12 |  |  | $ | 1.11 |
Schedule of investments in qualified affordable housing partnerships and related unfunded commitments |
($ in thousands) |  | June 30, 2015 |  | December 31, 2014
Investments in qualified affordable housing partnerships, net |  | $ | 176,566 |  |  | $ | 178,962 |
Accrued expenses and other liabilities — Unfunded commitments |  | $ | 45,567 |  |  | $ | 43,311 |
Schedule of other information related to investments in qualified affordable housing partnerships |
|  | Three Months Ended June 30, |  | Six Months Ended June 30,
($ in thousands) |  | 2015 |  | 2014 |  | 2015 |  | 2014
Tax credits and other tax benefits recognized |  | $ | 8,605 |  |  | $ | 7,649 |  |  | $ | 17,380 |  |  | $ | 15,441 |
Amortization expense included in income tax expense |  | $ | 6,152 |  |  | $ | 5,357 |  |  | $ | 12,396 |  |  | $ | 10,714 |

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