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Note Allowance for loan losses (T D R that subsequently defaulted) (Detail) $ in Thousands | 3 Months Ended
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Mar. 31, 2019 USD ($) loans | Mar. 31, 2018 USD ($) loans
Troubled Debt Restructuring |  |
Loan count | loans | 185 | 102
Recorded investment as of first default date | $ | $ 3,730 | $ 4,961
CRE non-owner occupied |  |
Troubled Debt Restructuring |  |
Loan count | loans | 1 |
Recorded investment as of first default date | $ | $ 47 |
CRE owner occupied |  |
Troubled Debt Restructuring |  |
Loan count | loans | 2 | 2
Recorded investment as of first default date | $ | $ 427 | $ 86
Commercial and industrial |  |
Troubled Debt Restructuring |  |
Loan count | loans | 1 | 5
Recorded investment as of first default date | $ | $ 50 | $ 72
Mortgages |  |
Troubled Debt Restructuring |  |
Loan count | loans | 8 | 17
Recorded investment as of first default date | $ | $ 745 | $ 2,572
Leasing |  |
Troubled Debt Restructuring |  |
Loan count | loans | 1 |
Recorded investment as of first default date | $ | $ 22 |
Credit cards |  |
Troubled Debt Restructuring |  |
Loan count | loans | 104 | 48
Recorded investment as of first default date | $ | $ 1,087 | $ 1,342
Personal Loan |  |
Troubled Debt Restructuring |  |
Loan count | loans | 68 | 30
Recorded investment as of first default date | $ | $ 1,352 | $ 889

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- Definition Number of financing receivables that have been modified by troubled debt restructurings within the previous 12 months and for which there was a payment default. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 34 -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953682-111524 + Details
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- Definition Amount of investment related to financing receivables modified by troubled debt restructurings within the previous 12 months, for which there was a payment default. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 34 -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953682-111524 + Details
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