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Loans and Lease Finance Receivables and Allowance for Loan Losses - Summary of Activity Related to Troubled Debt Restructurings (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2016 | Sep. 30, 2015 | Sep. 30, 2016 | Sep. 30, 2015
Financing Receivable, Modifications [Line Items] |  |  |  |
Total TDRs | $ 30,051 | $ 60,361 | $ 30,051 | $ 60,361
Performing TDRs [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Beginning balance | 20,292 | 45,166 | 42,687 | 53,589
New modifications | 759 | 2,353 | 1,877 | 2,383
Payoffs and payments, net | (2,584) | (2,306) | (26,097) | (11,275)
TDRs returned to accrual status | 8,551 | 0 | 8,551 | 516
TDRs placed on nonaccrual status | 0 | 0 | 0 | 0
Ending balance | 27,018 | 45,213 | 27,018 | 45,213
Nonperforming TDRs [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Beginning balance | 12,029 | 15,167 | 12,622 | 20,285
New modifications | 20 | 330 | 102 | 661
Charge-offs | 0 | 0 | (38) | 0
Transfer to OREO | 0 | 0 | 0 | (842)
Payoffs and payments, net | (465) | (349) | (1,102) | (4,440)
TDRs returned to accrual status | (8,551) | 0 | (8,551) | (516)
TDRs placed on nonaccrual status | 0 | 0 | 0 | 0
Ending balance | $ 3,033 | $ 15,148 | $ 3,033 | $ 15,148

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- Definition The increase (decrease) in performing troubled debt restructurings financing receivables, because of returns to accrual status. + References No definition available. + Details
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- Definition The decrease in performing troubled debt restructurings financing receivables, because of the change in accrual status to nonaccrual. + References No definition available. + Details
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- Definition Financing Receivables Impaired Troubled Debt Restructuring Additions + References No definition available. + Details
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- Definition Financing Receivables Impaired Troubled Debt Restructuring Transfer To Other Real Estate Owned + References No definition available. + Details
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- Definition The amount of the outstanding recorded investment related to financing receivables that have been modified by troubled debt restructurings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 40 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=25495931&loc=d3e18845-111554 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Recorded Investment -URI http://asc.fasb.org/extlink&oid=65880944 + Details
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