Loans Receivable and Allowance for Loan Losses - Troubled Debt Restructurings on Financing Receivables (Details) (USD $)
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Sep. 30, 2013
loan
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Sep. 30, 2013
loan
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Dec. 31, 2012
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Sep. 30, 2013
Payment concession
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Dec. 31, 2012
Payment concession
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Sep. 30, 2013
Maturity/ Amortization concession
|
Dec. 31, 2012
Maturity/ Amortization concession
|
Sep. 30, 2013
Rate concession
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Dec. 31, 2012
Rate concession
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Sep. 30, 2013
Principal forgiveness
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Dec. 31, 2012
Principal forgiveness
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Sep. 30, 2013
TDR on accrual
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Dec. 31, 2012
TDR on accrual
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Sep. 30, 2013
TDR on accrual
Payment concession
|
Dec. 31, 2012
TDR on accrual
Payment concession
|
Sep. 30, 2013
TDR on accrual
Maturity/ Amortization concession
|
Dec. 31, 2012
TDR on accrual
Maturity/ Amortization concession
|
Sep. 30, 2013
TDR on accrual
Rate concession
|
Dec. 31, 2012
TDR on accrual
Rate concession
|
Sep. 30, 2013
TDR on accrual
Principal forgiveness
|
Dec. 31, 2012
TDR on accrual
Principal forgiveness
|
Sep. 30, 2013
TDR on non-accrual
|
Dec. 31, 2012
TDR on non-accrual
|
Sep. 30, 2013
TDR on non-accrual
Payment concession
|
Dec. 31, 2012
TDR on non-accrual
Payment concession
|
Sep. 30, 2013
TDR on non-accrual
Maturity/ Amortization concession
|
Dec. 31, 2012
TDR on non-accrual
Maturity/ Amortization concession
|
Sep. 30, 2013
TDR on non-accrual
Rate concession
|
Dec. 31, 2012
TDR on non-accrual
Rate concession
|
Sep. 30, 2013
TDR on non-accrual
Principal forgiveness
|
Dec. 31, 2012
TDR on non-accrual
Principal forgiveness
|
Sep. 30, 2013
Commercial Real Estate Other Receivable [Member]
TDR on accrual
loan
|
Dec. 31, 2012
Commercial Real Estate Other Receivable [Member]
TDR on accrual
loan
|
Sep. 30, 2013
Consumer and other
TDR on accrual
loan
|
Dec. 31, 2012
Consumer and other
TDR on accrual
loan
|
Sep. 30, 2013
Real Estate
Commercial Real Estate Other Receivable [Member]
TDR on accrual
|
Dec. 31, 2012
Real Estate
Commercial Real Estate Other Receivable [Member]
TDR on accrual
|
Sep. 30, 2013
Real Estate
Commercial Real Estate Other Receivable [Member]
TDR on accrual
Payment concession
|
Dec. 31, 2012
Real Estate
Commercial Real Estate Other Receivable [Member]
TDR on accrual
Payment concession
|
Sep. 30, 2013
Real Estate
Commercial Real Estate Other Receivable [Member]
TDR on accrual
Maturity/ Amortization concession
|
Dec. 31, 2012
Real Estate
Commercial Real Estate Other Receivable [Member]
TDR on accrual
Maturity/ Amortization concession
|
Sep. 30, 2013
Real Estate
Commercial Real Estate Other Receivable [Member]
TDR on accrual
Rate concession
|
Dec. 31, 2012
Real Estate
Commercial Real Estate Other Receivable [Member]
TDR on accrual
Rate concession
|
Sep. 30, 2013
Real Estate
Commercial Real Estate Other Receivable [Member]
TDR on accrual
Principal forgiveness
|
Dec. 31, 2012
Real Estate
Commercial Real Estate Other Receivable [Member]
TDR on accrual
Principal forgiveness
|
Sep. 30, 2013
Real Estate
Commercial Real Estate Other Receivable [Member]
TDR on non-accrual
|
Dec. 31, 2012
Real Estate
Commercial Real Estate Other Receivable [Member]
TDR on non-accrual
|
Sep. 30, 2013
Real Estate
Commercial Real Estate Other Receivable [Member]
TDR on non-accrual
Payment concession
|
Dec. 31, 2012
Real Estate
Commercial Real Estate Other Receivable [Member]
TDR on non-accrual
Payment concession
|
Sep. 30, 2013
Real Estate
Commercial Real Estate Other Receivable [Member]
TDR on non-accrual
Maturity/ Amortization concession
|
Dec. 31, 2012
Real Estate
Commercial Real Estate Other Receivable [Member]
TDR on non-accrual
Maturity/ Amortization concession
|
Sep. 30, 2013
Real Estate
Commercial Real Estate Other Receivable [Member]
TDR on non-accrual
Rate concession
|
Dec. 31, 2012
Real Estate
Commercial Real Estate Other Receivable [Member]
TDR on non-accrual
Rate concession
|
Sep. 30, 2013
Real Estate
Commercial Real Estate Other Receivable [Member]
TDR on non-accrual
Principal forgiveness
|
Dec. 31, 2012
Real Estate
Commercial Real Estate Other Receivable [Member]
TDR on non-accrual
Principal forgiveness
|
Sep. 30, 2013
Commercial Business
TDR on accrual
loan
|
Dec. 31, 2012
Commercial Business
TDR on accrual
loan
|
Sep. 30, 2013
Commercial Business
TDR on accrual
Payment concession
|
Dec. 31, 2012
Commercial Business
TDR on accrual
Payment concession
|
Sep. 30, 2013
Commercial Business
TDR on accrual
Maturity/ Amortization concession
|
Dec. 31, 2012
Commercial Business
TDR on accrual
Maturity/ Amortization concession
|
Sep. 30, 2013
Commercial Business
TDR on accrual
Rate concession
|
Dec. 31, 2012
Commercial Business
TDR on accrual
Rate concession
|
Sep. 30, 2013
Commercial Business
TDR on accrual
Principal forgiveness
|
Dec. 31, 2012
Commercial Business
TDR on accrual
Principal forgiveness
|
Sep. 30, 2013
Commercial Business
TDR on non-accrual
|
Dec. 31, 2012
Commercial Business
TDR on non-accrual
|
Sep. 30, 2013
Commercial Business
TDR on non-accrual
Payment concession
|
Dec. 31, 2012
Commercial Business
TDR on non-accrual
Payment concession
|
Sep. 30, 2013
Commercial Business
TDR on non-accrual
Maturity/ Amortization concession
|
Dec. 31, 2012
Commercial Business
TDR on non-accrual
Maturity/ Amortization concession
|
Sep. 30, 2013
Commercial Business
TDR on non-accrual
Rate concession
|
Dec. 31, 2012
Commercial Business
TDR on non-accrual
Rate concession
|
Sep. 30, 2013
Commercial Business
TDR on non-accrual
Principal forgiveness
|
Dec. 31, 2012
Commercial Business
TDR on non-accrual
Principal forgiveness
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Sep. 30, 2013
Trade Finance and Other
TDR on accrual
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Dec. 31, 2012
Trade Finance and Other
TDR on accrual
|
Sep. 30, 2013
Trade Finance and Other
TDR on accrual
Payment concession
|
Dec. 31, 2012
Trade Finance and Other
TDR on accrual
Payment concession
|
Sep. 30, 2013
Trade Finance and Other
TDR on accrual
Maturity/ Amortization concession
|
Dec. 31, 2012
Trade Finance and Other
TDR on accrual
Maturity/ Amortization concession
|
Sep. 30, 2013
Trade Finance and Other
TDR on accrual
Rate concession
|
Dec. 31, 2012
Trade Finance and Other
TDR on accrual
Rate concession
|
Sep. 30, 2013
Trade Finance and Other
TDR on accrual
Principal forgiveness
|
Dec. 31, 2012
Trade Finance and Other
TDR on accrual
Principal forgiveness
|
Sep. 30, 2013
Trade Finance and Other
TDR on non-accrual
|
Dec. 31, 2012
Trade Finance and Other
TDR on non-accrual
|
Sep. 30, 2013
Trade Finance and Other
TDR on non-accrual
Payment concession
|
Dec. 31, 2012
Trade Finance and Other
TDR on non-accrual
Payment concession
|
Sep. 30, 2013
Trade Finance and Other
TDR on non-accrual
Maturity/ Amortization concession
|
Dec. 31, 2012
Trade Finance and Other
TDR on non-accrual
Maturity/ Amortization concession
|
Sep. 30, 2013
Trade Finance and Other
TDR on non-accrual
Rate concession
|
Dec. 31, 2012
Trade Finance and Other
TDR on non-accrual
Rate concession
|
Sep. 30, 2013
Trade Finance and Other
TDR on non-accrual
Principal forgiveness
|
Dec. 31, 2012
Trade Finance and Other
TDR on non-accrual
Principal forgiveness
|
Sep. 30, 2013
Legacy
loan
|
Sep. 30, 2013
Legacy
loan
|
Sep. 30, 2013
Legacy
Consumer and other
loan
|
Sep. 30, 2013
Legacy
Consumer and other
loan
|
Sep. 30, 2013
Legacy
Real Estate
loan
|
Sep. 30, 2013
Legacy
Real Estate
loan
|
Sep. 30, 2013
Legacy
Real Estate
Retail
loan
|
Sep. 30, 2013
Legacy
Real Estate
Retail
loan
|
Sep. 30, 2013
Legacy
Real Estate
Retail
Rate concession
loan
|
Sep. 30, 2013
Legacy
Real Estate
Gas Station & Car Wash
loan
|
Sep. 30, 2013
Legacy
Real Estate
Gas Station & Car Wash
loan
|
Sep. 30, 2013
Legacy
Real Estate
Hotel & Motel
loan
|
Sep. 30, 2013
Legacy
Real Estate
Hotel & Motel
loan
|
Sep. 30, 2013
Legacy
Real Estate
Mixed Use
loan
|
Sep. 30, 2013
Legacy
Real Estate
Mixed Use
loan
|
Sep. 30, 2013
Legacy
Real Estate
Industrial & Warehouse
loan
|
Sep. 30, 2013
Legacy
Real Estate
Industrial & Warehouse
loan
|
Sep. 30, 2013
Legacy
Real Estate
Other
loan
|
Sep. 30, 2013
Legacy
Real Estate
Other
loan
|
Sep. 30, 2013
Legacy
Commercial Business
loan
|
Sep. 30, 2013
Legacy
Commercial Business
loan
|
Sep. 30, 2013
Legacy
Commercial Business
Maturity/ Amortization concession
loan
|
Sep. 30, 2013
Legacy
Trade Finance
loan
|
Sep. 30, 2013
Legacy
Trade Finance
loan
|
Sep. 30, 2013
Acquired
loan
|
Sep. 30, 2013
Acquired
loan
|
Sep. 30, 2013
Acquired
Real Estate
loan
|
Sep. 30, 2013
Acquired
Real Estate
loan
|
Sep. 30, 2013
Acquired
Real Estate
Retail
loan
|
Sep. 30, 2013
Acquired
Real Estate
Retail
loan
|
Sep. 30, 2013
Acquired
Real Estate
Gas Station & Car Wash
loan
|
Sep. 30, 2013
Acquired
Real Estate
Gas Station & Car Wash
loan
|
Sep. 30, 2013
Acquired
Real Estate
Hotel & Motel
loan
|
Sep. 30, 2013
Acquired
Real Estate
Hotel & Motel
loan
|
Sep. 30, 2013
Acquired
Real Estate
Mixed Use
loan
|
Sep. 30, 2013
Acquired
Real Estate
Mixed Use
loan
|
Sep. 30, 2013
Acquired
Real Estate
Industrial & Warehouse
loan
|
Sep. 30, 2013
Acquired
Real Estate
Industrial & Warehouse
loan
|
Sep. 30, 2013
Acquired
Real Estate
Other
loan
|
Sep. 30, 2013
Acquired
Real Estate
Other
loan
|
Sep. 30, 2013
Acquired
Real Estate
Commercial Real Estate Other Receivable [Member]
Payment concession
loan
|
Sep. 30, 2013
Acquired
Real Estate
Commercial Real Estate Other Receivable [Member]
Payment concession
|
Sep. 30, 2013
Acquired
Commercial Business
loan
|
Sep. 30, 2013
Acquired
Commercial Business
loan
|
Sep. 30, 2013
Acquired
Commercial Business
Payment concession
loan
|
Sep. 30, 2013
Acquired
Commercial Business
Payment concession
|
Sep. 30, 2013
Acquired
Commercial Business
Maturity/ Amortization concession
loan
|
Sep. 30, 2013
Acquired
Trade Finance
loan
|
Sep. 30, 2013
Acquired
Trade Finance
loan
|
|
Financing Receivable, Modifications [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Troubled debt restructured | $ 60,665,000 | $ 60,665,000 | $ 51,451,000 | $ 20,943,000 | $ 20,450,000 | $ 12,689,000 | $ 8,193,000 | $ 26,981,000 | $ 22,746,000 | $ 52,000 | $ 62,000 | $ 36,019,000 | $ 29,849,000 | $ 8,976,000 | $ 10,295,000 | $ 7,749,000 | $ 4,731,000 | $ 19,294,000 | $ 14,823,000 | $ 0 | $ 0 | $ 24,646,000 | $ 21,602,000 | $ 11,967,000 | $ 10,155,000 | $ 4,940,000 | $ 3,462,000 | $ 7,687,000 | $ 7,923,000 | $ 52,000 | $ 62,000 | $ 23,550,000 | $ 544,000 | $ 536,000 | $ 22,580,000 | $ 23,550,000 | $ 7,218,000 | $ 9,608,000 | $ 771,000 | $ 348,000 | $ 14,591,000 | $ 13,594,000 | $ 0 | $ 0 | $ 19,306,000 | $ 13,310,000 | $ 9,918,000 | $ 4,735,000 | $ 1,701,000 | $ 652,000 | $ 7,687,000 | $ 7,923,000 | $ 0 | $ 0 | $ 12,895,000 | $ 5,763,000 | $ 1,758,000 | $ 687,000 | $ 6,434,000 | $ 3,847,000 | $ 4,703,000 | $ 1,229,000 | $ 0 | $ 0 | $ 4,570,000 | $ 6,621,000 | $ 1,279,000 | $ 4,618,000 | $ 3,239,000 | $ 1,941,000 | $ 0 | $ 0 | $ 52,000 | $ 62,000 | $ 544,000 | $ 536,000 | $ 0 | $ 0 | $ 544,000 | $ 536,000 | $ 0 | $ 0 | $ 0 | $ 0 | $ 770,000 | $ 1,671,000 | $ 770,000 | $ 802,000 | $ 0 | $ 869,000 | $ 0 | $ 0 | $ 0 | $ 0 | ||||||||||||||||||||||||||||||||||||||||||||||||||
Financing Receivable, Modifications, Number of Contracts | 7 | 32 | 15 | 12 | 2 | 2 | 30 | 20 | 5 | 20 | 1 | 1 | 0 | 0 | 1 | 5 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 3 | 12 | 0 | 0 | 2 | 12 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 1 | 6 | 0 | 0 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Troubled Debt Restructuring, By Loan Class | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Pre-Modification | 1,726,000 | 28,020,000 | 1,637,000 | 15,234,000 | 500,000 | 500,000 | 0 | 0 | 568,000 | 5,443,000 | 0 | 1,371,000 | 0 | 0 | 0 | 0 | 0 | 370,000 | 0 | 0 | 569,000 | 7,550,000 | 0 | 0 | 89,000 | 12,786,000 | 0 | 0 | 58,000 | 59,000 | 0 | 165,000 | 0 | 0 | 0 | 0 | 0 | 10,336,000 | 0 | 1,137,000 | 31,000 | 1,089,000 | 0 | 0 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Post-Modification | 1,410,000 | 21,776,000 | 1,322,000 | 14,745,000 | 496,000 | 496,000 | 0 | 0 | 568,000 | 5,521,000 | 0 | 909,000 | 0 | 0 | 0 | 0 | 0 | 346,000 | 0 | 0 | 258,000 | 7,473,000 | 0 | 0 | 88,000 | 7,031,000 | 0 | 0 | 57,000 | 57,000 | 0 | 170,000 | 0 | 0 | 0 | 0 | 0 | 5,282,000 | 0 | 1,132,000 | 31,000 | 390,000 | 0 | 0 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Troubled Debt Restructuring, By Loan Class, Modified And Subsequent Payment Default | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Number of Loans | 9 | 13 | 3 | 6 | 1 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 4 | 2 | 6 | 7 | 1 | 1 | 1 | 1 | 0 | 0 | 1 | 1 | 0 | 0 | 3 | 3 | 4 | 3 | 1 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Balance | 7,991,000 | 8,681,000 | 2,531,000 | 3,072,000 | 709,000 | 1,220,000 | 709,000 | 0 | 0 | 0 | 0 | 0 | 0 | 1,822,000 | 1,852,000 | 1,822,000 | 5,460,000 | 5,609,000 | 57,000 | 57,000 | 170,000 | 170,000 | 0 | 0 | 5,200,000 | 5,200,000 | 0 | 0 | 5,400,000 | 5,400,000 | 33,000 | 182,000 | 0 | 0 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Financing Receivables, Impaired, Troubled Debt Restructuring, Write-down | 0 | 150,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Specific reserves | 316,000 | 2,400,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Charge offs | 304,000 | 1,139,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Specific reserves for the TDRs | 856,000 | 1,000,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Specific reserves allocated to TDRs | $ 7,700,000 | $ 7,700,000 | $ 6,300,000 |