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Allowance for Probable Loan Losses (Details 3) - USD ($) $ in Thousands | Sep. 30, 2015 | Dec. 31, 2014
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Loan loss allowances, financing receivable past due |  |
Non-accrual loans, total | $ 43,911 | $ 63,559
Commercial |  |
Loan loss allowances, financing receivable past due |  |
Non-accrual loans, total | 31,213 | 40,121
Commercial Real Estate: Other Construction and Land Development |  |
Loan loss allowances, financing receivable past due |  |
Non-accrual loans, total | 3,797 | 8,621
Commercial real estate: farmland and commercial |  |
Loan loss allowances, financing receivable past due |  |
Non-accrual loans, total | 7,379 | 11,903
Commercial real estate: multifamily |  |
Loan loss allowances, financing receivable past due |  |
Non-accrual loans, total | 792 | 835
Residential: first lien |  |
Loan loss allowances, financing receivable past due |  |
Non-accrual loans, total | 322 | 527
Residential: junior lien |  |
Loan loss allowances, financing receivable past due |  |
Non-accrual loans, total | 16 | 1,523
Consumer |  |
Loan loss allowances, financing receivable past due |  |
Non-accrual loans, total | 36 | $ 29
Foreign |  |
Loan loss allowances, financing receivable past due |  |
Non-accrual loans, total | $ 356 |

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- Definition Recorded investment in financing receivables that are on nonaccrual status as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=35738203&loc=d3e5111-111524 + Details
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