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Qualified Affordable Housing Projects and Other Tax Credit Investments (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020 | Dec. 31, 2020
Investment Holdings [Line Items] |  |  |  |  |
Investment | $ 74,290 |  | $ 74,290 |  | $ 62,000
Unfunded Commitment | 31,133 |  | 31,133 |  | 30,105
Amortization Expense | 2,599 | $ 3,891 | 7,339 | $ 11,246 |
Tax Expense (Benefit) Recognized | (2,650) | (4,756) | (7,665) | (10,214) |
LIHTC |  |  |  |  |
Investment Holdings [Line Items] |  |  |  |  |
Investment, Proportional amortization | 41,033 |  | 41,033 |  | 33,609
Unfunded Commitment, Proportional amortization | 14,283 |  | 14,283 |  | 6,845
Amortization Expense | 863 | 776 | 2,588 | 2,329 |
Tax Expense (Benefit) Recognized | (1,135) | (1,015) | (3,407) | (3,053) |
FHTC |  |  |  |  |
Investment Holdings [Line Items] |  |  |  |  |
Investment, Equity | 21,288 |  | 21,288 |  | 18,660
Unfunded Commitment, Equity | 16,850 |  | 16,850 |  | 22,398
Amortization Expense | 1,151 | 816 | 2,510 | 5,959 |
Tax Expense (Benefit) Recognized | (1,052) | (1,479) | (2,308) | (4,191) |
NMTC |  |  |  |  |
Investment Holdings [Line Items] |  |  |  |  |
Investment, Equity | 9,675 |  | 9,675 |  | 6,120
Unfunded Commitment, Equity | 0 |  | 0 |  | 0
Amortization Expense | 375 |  | 1,125 |  |
Tax Expense (Benefit) Recognized | (463) |  | (1,388) |  |
Renewable Energy |  |  |  |  |
Investment Holdings [Line Items] |  |  |  |  |
Investment, Equity | 2,294 |  | 2,294 |  | 3,611
Unfunded Commitment, Equity | 0 |  | 0 |  | $ 862
Amortization Expense | 210 | 2,299 | 1,116 | 2,958 |
Tax Expense (Benefit) Recognized | $ 0 | $ (2,262) | $ (562) | $ (2,970) |

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- Definition Equity method investment qualified affordable housing project investments. + References No definition available. + Details
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- Definition Investments in qualified affordable housing projects. + References No definition available. + Details
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- Definition Amount of affordable housing tax credits and other tax benefits recognized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 740 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=116633289&loc=SL49122993-202985 + Details
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- Definition Amount of investment in qualified affordable housing projects. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 740 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=116633289&loc=SL49122993-202985 + Details
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- Definition Amount of commitment or contingent commitments to qualified affordable housing project investments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 740 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=116633289&loc=SL49122993-202985 + Details
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