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INVESTMENTS IN QUALIFIED AFFORDABLE HOUSING PARTNERSHIPS, TAX CREDIT AND OTHER INVESTMENTS, NET (Tables) | 12 Months Ended
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Dec. 31, 2015
INVESTMENTS IN QUALIFIED AFFORDABLE HOUSING PARTNERSHIPS, TAX CREDIT AND OTHER INVESTMENTS, NET |
Summary of the impact of new accounting guidance | The following tables present the impact of the new accounting guidance on the Consolidated Balance Sheets and the Consolidated Statements of Income as of the periods indicated:
($ in thousands) |  | December 31, 2014
| As Previously Reported |  | As Revised
Consolidated Balance Sheets: |  |  |  |
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 |
($ in thousands, except per share data) |  | Year Ended December 31,
| 2014 |  | 2013
| As Previously Reported |  | As Revised |  | As Previously Reported |  | As Revised
Consolidated Statements of Income: |  |  |  |  |  |  |  |
Noninterest expense — amortization of tax credit and other investments |  | $ | 75,660 |  |  | $ | 44,092 |  |  | $ | 27,268 |  |  | $ | 5,973 |
Income before income taxes |  | $ | 415,455 |  |  | $ | 447,023 |  |  | $ | 425,850 |  |  | $ | 447,146 |
Income taxes expense |  | $ | 72,972 |  |  | $ | 101,145 |  |  | $ | 130,805 |  |  | $ | 153,822 |
Net income |  | $ | 342,483 |  |  | $ | 345,878 |  |  | $ | 295,045 |  |  | $ | 293,324 |
Earnings Per Share: |  |  |  |  |  |  |  |
Basic |  | $ | 2.39 |  |  | $ | 2.42 |  |  | $ | 2.11 |  |  | $ | 2.10 |
Diluted |  | $ | 2.38 |  |  | $ | 2.41 |  |  | $ | 2.10 |  |  | $ | 2.09 |
Schedule of investments in qualified affordable housing partnerships and related unfunded commitments | The following table presents the balances of the Company’s investments in qualified affordable housing partnerships, net and related unfunded commitments as of December 31, 2015 and 2014:
($ in thousands) |  | December 31,
| 2015 |  | 2014
Investments in qualified affordable housing partnerships, net |  | $ | 193,978 |  |  | $ | 178,962 |
Accrued expenses and other liabilities — Unfunded commitments |  | $ | 61,525 |  |  | $ | 43,311 |
Schedule of other information related to investments in qualified affordable housing partnership | The following table presents other information related to the Company’s investments in qualified affordable housing partnerships, net for the periods indicated:
($ in thousands) |  | Year Ended December 31,
| 2015 |  | 2014 |  | 2013
Tax credits and other tax benefits recognized |  | $ | 38,271 |  |  | $ | 32,613 |  |  | $ | 29,084 |
Amortization expense included in income tax expense |  | $ | 26,814 |  |  | $ | 21,428 |  |  | $ | 20,824 |
Schedule of unfunded commitments related to investments in qualified affordable housing partnerships, tax credit and other investments, net estimated to be paid | The Company’s unfunded commitments related to investments in qualified affordable housing partnerships, tax credit and other investments, net are estimated to be paid as follows:
Estimates For The Years Ending December 31, |  | Amount
|  | ($ in thousands)
2016 |  | $ | 84,456 |
2017 |  | 34,483 |
2018 |  | 20,645 |
2019 |  | 13,891 |
2020 |  | 15,418 |
Thereafter |  | 5,828 |
Total |  | $ | 174,721 |

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