|
Loans - Credit Quality of PCI Loan (Detail) (USD $)
In Thousands, unless otherwise specified |
Sep. 30, 2014
|
Sep. 30, 2013
|
|---|---|---|
| Financing Receivable, Recorded Investment [Line Items] | ||
| Total PCI loans | $ 2,675,959 | $ 2,159,271 |
|
Real estate loans [Member]
|
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| Financing Receivable, Recorded Investment [Line Items] | ||
| Total PCI loans | 2,411,154 | 1,921,659 |
|
Real estate loans [Member] | Retail [Member]
|
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| Financing Receivable, Recorded Investment [Line Items] | ||
| Total PCI loans | 651,801 | |
|
Real estate loans [Member] | Hotel/Motel [Member]
|
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| Financing Receivable, Recorded Investment [Line Items] | ||
| Total PCI loans | 466,611 | |
|
Real estate loans [Member] | Gas station [Member]
|
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| Financing Receivable, Recorded Investment [Line Items] | ||
| Total PCI loans | 358,455 | |
|
Real estate loans [Member] | Other [Member]
|
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| Financing Receivable, Recorded Investment [Line Items] | ||
| Total PCI loans | 821,411 | |
|
Real estate loans [Member] | Residential property [Member]
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| Financing Receivable, Recorded Investment [Line Items] | ||
| Total PCI loans | 108,730 | |
|
Commercial and industrial loans [Member]
|
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| Financing Receivable, Recorded Investment [Line Items] | ||
| Total PCI loans | 235,898 | 203,547 |
|
Commercial and industrial loans [Member] | Commercial term [Member]
|
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| Financing Receivable, Recorded Investment [Line Items] | ||
| Total PCI loans | 119,525 | |
|
Consumer loans [Member]
|
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| Financing Receivable, Recorded Investment [Line Items] | ||
| Total PCI loans | 28,907 | 34,065 |
|
PCI Loans [Member]
|
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| Financing Receivable, Recorded Investment [Line Items] | ||
| Total PCI loans | 67,024 | |
|
PCI Loans [Member] | Real estate loans [Member]
|
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| Financing Receivable, Recorded Investment [Line Items] | ||
| Total PCI loans | 66,616 | |
|
PCI Loans [Member] | Real estate loans [Member] | Retail [Member]
|
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| Financing Receivable, Recorded Investment [Line Items] | ||
| Total PCI loans | 15,940 | |
|
PCI Loans [Member] | Real estate loans [Member] | Hotel/Motel [Member]
|
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| Financing Receivable, Recorded Investment [Line Items] | ||
| Total PCI loans | 14,206 | |
|
PCI Loans [Member] | Real estate loans [Member] | Gas station [Member]
|
||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Total PCI loans | 18,069 | |
|
PCI Loans [Member] | Real estate loans [Member] | Other [Member]
|
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| Financing Receivable, Recorded Investment [Line Items] | ||
| Total PCI loans | 15,715 | |
|
PCI Loans [Member] | Real estate loans [Member] | Residential property [Member]
|
||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Total PCI loans | 2,686 | |
|
PCI Loans [Member] | Commercial and industrial loans [Member]
|
||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Total PCI loans | 350 | |
|
PCI Loans [Member] | Commercial and industrial loans [Member] | Commercial term [Member]
|
||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Total PCI loans | 350 | |
|
PCI Loans [Member] | Consumer loans [Member]
|
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| Financing Receivable, Recorded Investment [Line Items] | ||
| Total PCI loans | 58 | |
|
Pass/Pass-Watch (Grade 0-4) [Member] | PCI Loans [Member]
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| Financing Receivable, Recorded Investment [Line Items] | ||
| Total PCI loans | 15,541 | |
|
Pass/Pass-Watch (Grade 0-4) [Member] | PCI Loans [Member] | Real estate loans [Member] | Retail [Member]
|
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| Financing Receivable, Recorded Investment [Line Items] | ||
| Total PCI loans | 2,939 | |
|
Pass/Pass-Watch (Grade 0-4) [Member] | PCI Loans [Member] | Real estate loans [Member] | Hotel/Motel [Member]
|
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| Financing Receivable, Recorded Investment [Line Items] | ||
| Total PCI loans | 248 | |
|
Pass/Pass-Watch (Grade 0-4) [Member] | PCI Loans [Member] | Real estate loans [Member] | Gas station [Member]
|
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| Financing Receivable, Recorded Investment [Line Items] | ||
| Total PCI loans | 10,200 | |
|
Pass/Pass-Watch (Grade 0-4) [Member] | PCI Loans [Member] | Real estate loans [Member] | Other [Member]
|
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| Financing Receivable, Recorded Investment [Line Items] | ||
| Total PCI loans | 2,154 | |
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Criticized (Grade 5) [Member] | PCI Loans [Member]
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| Financing Receivable, Recorded Investment [Line Items] | ||
| Total PCI loans | 1,420 | |
|
Criticized (Grade 5) [Member] | PCI Loans [Member] | Real estate loans [Member] | Retail [Member]
|
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| Financing Receivable, Recorded Investment [Line Items] | ||
| Total PCI loans | 215 | |
|
Criticized (Grade 5) [Member] | PCI Loans [Member] | Real estate loans [Member] | Gas station [Member]
|
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| Financing Receivable, Recorded Investment [Line Items] | ||
| Total PCI loans | 1,205 | |
|
Classified (Grade 6-7) [Member] | PCI Loans [Member]
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| Financing Receivable, Recorded Investment [Line Items] | ||
| Total PCI loans | 50,063 | |
|
Classified (Grade 6-7) [Member] | PCI Loans [Member] | Real estate loans [Member] | Retail [Member]
|
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| Financing Receivable, Recorded Investment [Line Items] | ||
| Total PCI loans | 12,786 | |
|
Classified (Grade 6-7) [Member] | PCI Loans [Member] | Real estate loans [Member] | Hotel/Motel [Member]
|
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| Financing Receivable, Recorded Investment [Line Items] | ||
| Total PCI loans | 13,958 | |
|
Classified (Grade 6-7) [Member] | PCI Loans [Member] | Real estate loans [Member] | Gas station [Member]
|
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| Financing Receivable, Recorded Investment [Line Items] | ||
| Total PCI loans | 6,664 | |
|
Classified (Grade 6-7) [Member] | PCI Loans [Member] | Real estate loans [Member] | Other [Member]
|
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| Financing Receivable, Recorded Investment [Line Items] | ||
| Total PCI loans | 13,561 | |
|
Classified (Grade 6-7) [Member] | PCI Loans [Member] | Real estate loans [Member] | Residential property [Member]
|
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| Financing Receivable, Recorded Investment [Line Items] | ||
| Total PCI loans | 2,686 | |
|
Classified (Grade 6-7) [Member] | PCI Loans [Member] | Commercial and industrial loans [Member] | Commercial term [Member]
|
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| Financing Receivable, Recorded Investment [Line Items] | ||
| Total PCI loans | 350 | |
|
Classified (Grade 6-7) [Member] | PCI Loans [Member] | Consumer loans [Member]
|
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| Financing Receivable, Recorded Investment [Line Items] | ||
| Total PCI loans | $ 58 |