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Investments in Qualified Affordable Housing Partnerships, Tax Credit and Other Investments, Net and Variable Interest Entities (Tables) | 9 Months Ended
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Sep. 30, 2023
Investments in Qualified Affordable Housing Partnerships, Tax Credit and Other Investments, Net and Variable Interest Entities [Abstract] |
Schedule of Investment in Affordable Housing and Tax Credit and Other Investments, Net and Related Unfunded Commitments | The following table presents investments and unfunded commitments of the Company’s qualified affordable housing partnerships, tax credit, and other investments as of September 30, 2023 and December 31, 2022:
|  | September 30, 2023 |  | December 31, 2022
($ in thousands) |  | Assets |  | Liabilities - Unfunded Commitments (1) |  | Assets |  | Liabilities - Unfunded Commitments (1)
Investments in qualified affordable housing partnerships, net |  | $ | 412,004 |  |  | $ | 252,552 |  |  | $ | 413,253 |  |  | $ | 266,654 |
Investments in tax credit and other investments, net |  | 489,555 |  |  | 345,072 |  |  | 350,003 |  |  | 185,797 |
Total |  | $ | 901,559 |  |  | $ | 597,624 |  |  | $ | 763,256 |  |  | $ | 452,451 |
(1)Included in Accrued expenses and other liabilities on the Consolidated Balance Sheet.
Schedule of Additional Information related to the Investments in Affordable Housing and Tax Credit and Other Investments | The following table presents additional information related to the investments in qualified affordable housing partnerships, tax credit and other investments for the three and nine months ended September 30, 2023 and 2022:
|  | Three Months Ended September 30, |  | Nine Months Ended September 30, |
($ in thousands) |  | 2023 |  | 2022 |  | 2023 |  | 2022 |  |  |  |
Investments in qualified housing partnerships, net: |  |  |  |  |  |  |  |  |  |  |  |
Tax credits and other tax benefits recognized |  | $ | 15,660 |  |  | $ | 13,180 |  |  | $ | 47,058 |  |  | $ | 38,764 |  |  |  |  |
Amortization expense included in income tax expense |  | $ | 11,587 |  |  | $ | 10,431 |  |  | $ | 34,759 |  |  | $ | 30,498 |  |  |  |  |
Investments in tax credit and other investments, net: |  |  |  |  |  |  |  |  |  |  |  |
Amortization of tax credit and other investments (1) |  | $ | 49,694 |  |  | $ | 19,874 |  |  | $ | 115,718 |  |  | $ | 48,753 |  |  |  |  |
Unrealized losses on equity securities with readily determinable values |  | $ | (674) |  |  | $ | (1,014) |  |  | $ | (682) |  |  | $ | (2,958) |  |  |  |  |
(1)Includes net impairment losses of $790 thousand for the three months ended September 30, 2023, and net impairment recoveries of $831 thousand for the nine months ended September 30, 2023. The activity for both periods was primarily related to historic tax credits. In comparison, there were no impairment recoveries or losses for three or nine months ended September 30, 2022.

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- Definition Investments in Qualified Affordable Housing Partnerships, Net [Abstract] + References No definition available. + Details
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- Definition Schedule of Affordable Housing and Tax Credits and Other Investments and Unfunded Commitments [Table Text Block] + References No definition available. + Details
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- Definition Schedule of Amortization of Affordable Housing and Tax Credit and Other Investments + References No definition available. + Details
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