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Loans and Leases - Activity for SBA Loans Held for Sale (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2018 | Sep. 30, 2017 | Sep. 30, 2018 | Sep. 30, 2017
Financing Receivable, Reclassification From Portfolio Loans To Loans Held For Sale [Roll Forward] |  |  |  |
Balance at beginning of period | $ 5,349 | $ 10,949 | $ 6,394 | $ 9,316
Originations | 18,877 | 28,049 | 56,244 | 81,716
Sales | (19,752) | (32,519) | (58,043) | (84,516)
Principal payoffs and amortization | (19) | (10) | (140) | (47)
Balance at end of period | 4,455 | 6,469 | 4,455 | 6,469
Real estate loans [Member] |  |  |  |
Financing Receivable, Reclassification From Portfolio Loans To Loans Held For Sale [Roll Forward] |  |  |  |
Balance at beginning of period | 2,785 | 8,817 | 3,746 | 7,410
Originations | 5,408 | 16,326 | 25,996 | 51,090
Sales | (6,453) | (20,593) | (28,000) | (53,930)
Principal payoffs and amortization | (3) | (4) | (5) | (24)
Balance at end of period | 1,737 | 4,546 | 1,737 | 4,546
Commercial and industrial loans [Member] |  |  |  |
Financing Receivable, Reclassification From Portfolio Loans To Loans Held For Sale [Roll Forward] |  |  |  |
Balance at beginning of period | 2,564 | 2,132 | 2,648 | 1,906
Originations | 13,469 | 11,723 | 30,248 | 30,626
Sales | (13,299) | (11,926) | (30,043) | (30,586)
Principal payoffs and amortization | (16) | (6) | (135) | (23)
Balance at end of period | $ 2,718 | $ 1,923 | $ 2,718 | $ 1,923

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- Definition Financing Receivable, Reclassification From Portfolio Loans To Loans Held For Sale [Roll Forward] + References No definition available. + Details
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- Definition Principal payoffs and amortization. + References No definition available. + Details
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- Definition Amount, after allowance for bad debt, of loan receivables held-for-sale that are not part of a disposal group. Excludes loans and leases covered under loss sharing agreements and loans classified as debt securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=82891408&loc=d3e4428-111522 + Details
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- Definition The amount of cash paid for the origination of mortgages that are held for sale. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3536-108585 + Details
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- Definition The cash inflow resulting from the sale of loans classified as held-for-sale, including proceeds from loans sold through mortgage securitization. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 16 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3337-108585 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 21 -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3461-108585 + Details
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