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Qualified Affordable Housing Projects and Other Tax Credit Investments (Detail) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2021 | Mar. 31, 2020 | Dec. 31, 2020
Investment Holdings [Line Items] |  |  |
Investment | $ 64,371 |  | $ 62,000
Unfunded Commitment | 26,571 |  | 30,105
Amortization Expense | 2,064 | $ 6,291 |
Tax Expense (Benefit) Recognized | (2,843) | (2,775) |
LIHTC |  |  |
Investment Holdings [Line Items] |  |  |
Investment, Proportional amortization | 32,702 |  | 33,609
Unfunded Commitment, Proportional amortization | 5,899 |  | 6,845
Amortization Expense | 862 | 776 |
Tax Expense (Benefit) Recognized | (1,136) | (1,019) |
FHTC |  |  |
Investment Holdings [Line Items] |  |  |
Investment, Equity | 18,530 |  | 18,660
Unfunded Commitment, Equity | 20,672 |  | 22,398
Amortization Expense | 130 | 5,143 |
Tax Expense (Benefit) Recognized | (682) | (1,356) |
NMTC |  |  |
Investment Holdings [Line Items] |  |  |
Investment, Equity | 10,425 |  | 6,120
Unfunded Commitment, Equity | 0 |  | 0
Amortization Expense | 375 |  |
Tax Expense (Benefit) Recognized | (463) |  |
Renewable Energy |  |  |
Investment Holdings [Line Items] |  |  |
Investment, Equity | 2,714 |  | 3,611
Unfunded Commitment, Equity | 0 |  | $ 862
Amortization Expense | 697 | 372 |
Tax Expense (Benefit) Recognized | $ (562) | $ (400) |

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- Definition Amortization method qualified affordable housing project investments commitment. + References No definition available. + Details
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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 amortization expense 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 (c) -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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