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Loans and Allowance for Credit Losses - Nonaccrual and Past Due Greater than 90 Days (Details) - USD ($) $ in Thousands | Sep. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Financing Receivable, Nonaccrual [Line Items] |  |
Nonaccrual loans | $ 46,692 | $ 73,836
Financing Receivable, Nonaccrual, No Allowance | 17,538 | 36,537
Financing Receivable, 90 Days or More Past Due, Still Accruing | 1,914 | 2,362
Commercial real estate - Owner occupied |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Nonaccrual loans | 2,134 | 10,231
Financing Receivable, Nonaccrual, No Allowance | 0 | 5,985
Financing Receivable, 90 Days or More Past Due, Still Accruing | 306 | 0
Commercial real estate - Non-owner occupied |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Nonaccrual loans | 1,901 | 5,219
Financing Receivable, Nonaccrual, No Allowance | 0 | 1,522
Financing Receivable, 90 Days or More Past Due, Still Accruing | 0 | 0
Consumer real estate – mortgage |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Nonaccrual loans | 18,808 | 22,191
Financing Receivable, Nonaccrual, No Allowance | 0 | 0
Financing Receivable, 90 Days or More Past Due, Still Accruing | 549 | 273
Construction and land development |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Nonaccrual loans | 1,645 | 1,953
Financing Receivable, Nonaccrual, No Allowance | 0 | 0
Financing Receivable, 90 Days or More Past Due, Still Accruing | 0 | 0
Commercial and industrial |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Nonaccrual loans | 22,182 | 34,238
Financing Receivable, Nonaccrual, No Allowance | 17,538 | 29,030
Financing Receivable, 90 Days or More Past Due, Still Accruing | 812 | 1,785
Consumer and other |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Nonaccrual loans | 22 | 4
Financing Receivable, Nonaccrual, No Allowance | 0 | 0
Financing Receivable, 90 Days or More Past Due, Still Accruing | $ 247 | $ 304

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- Definition Amount of financing receivable on nonaccrual status with no allowance for credit loss. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 16 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919258-210447 + Details
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- Definition Amount of financing receivable 90 days or more past due and still accruing. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 16 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919258-210447 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=123577603&loc=d3e5111-111524 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 80 -URI http://asc.fasb.org/extlink&oid=124267575&loc=SL82922355-210448 + Details
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- Definition Reflects the carrying amount of loans deemed to be questionable as to collection on which no interest is continuing to be recognized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123577603&loc=d3e5111-111524 + Details
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