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Commitments and Contingencies (Details) - USD ($) $ in Thousands | Mar. 31, 2021 | Dec. 31, 2020
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Standby Letters of Credit |  |
Guarantor Obligations [Line Items] |  |
Guarantor Obligations, Maximum Exposure, Undiscounted | $ 162,400 | $ 163,900
Qualified Affordable Housing Project Investments, Commitment | 139,572 | 129,819
Commitments to Extend Credit |  |
Guarantor Obligations [Line Items] |  |
Unused Commitments to Extend Credit | 12,126,186 | 12,098,417
Qualified Affordable Housing Project Investments | $ 49,700 | $ 53,700

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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 Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=121555522&loc=d3e12069-110248 + 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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- Definition Unused amount of commitments to extend credit to customers. + References No definition available. + Details
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