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Tax Credit Investments (Tables) | 9 Months Ended
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Sep. 30, 2022
Tax Credit Investments. |
Schedule of tax credits | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | ​ |  | September 30, 2022 | ​ | December 31, 2021
(dollars in thousands) |  | ​ | ​ | Investment | ​ | Unfunded Commitment | ​ | Investment | ​ | Unfunded Commitment
Investment | ​ | Accounting Method | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Low income housing tax credit |  | Proportional amortization | ​ | $ | 17,906 |  | $ | 15,559 |  | $ | 7,906 |  | $ | 6,999
Total |  | ​ | ​ | $ | 17,906 |  | $ | 15,559 |  | $ | 7,906 |  | $ | 6,999
Summary of amortization expense and tax benefit | The following table presents a summary of the amortization expense and tax benefit recognized for the Company’s qualified affordable housing projects for the three and nine months ended three and nine months ended September 30, 2022 and 2021:
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three months ended September 30, | ​
​ | ​ | 2022 | ​ | 2021 | ​
​ | ​ | Amortization | ​ | Tax Benefit | ​ | Amortization | ​ | Tax Benefit | ​
(dollars in thousands) | ​ | Expense (1) |  | Recognized (2) |  | Expense (1) |  | Recognized (2) |
Low income housing tax credit | ​ | $ | 109 |  | $ | (146) |  | $ | — |  | $ | — |
Total | ​ | $ | 109 | ​ | $ | (146) | ​ | $ | — | ​ | $ | — | ​
(1) | The amortization expense for low income housing tax credit investments were included in income tax expense.
(2) | All of the tax benefits recognized were included in income tax expense.
​ ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Nine months ended September 30,
​ | ​ | 2022 | ​ | 2021
​ | ​ | Amortization | ​ | Tax Benefit | ​ | Amortization | ​ | Tax Benefit
(dollars in thousands) | ​ | Expense (1) | ​ | Recognized (2) | ​ | Expense (1) | ​ | Recognized (2)
Low income housing tax credit | ​ | $ | 220 |  | $ | (303) |  | $ | — |  | $ | —
Total | ​ | $ | 220 | ​ | $ | (303) | ​ | $ | — | ​ | $ | —
(1) | The amortization expense for low income housing tax credits were included in income tax expense.
(2) | All of the tax benefits recognized were included in income tax expense.

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- Definition Tabular disclosure of investments in qualified affordable housing projects tax credit investments. + References No definition available. + Details
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