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Allowance for Probable Loan Losses (Non-accrual Basis By Loan Class) (Details) - USD ($) $ in Thousands | Jun. 30, 2018 | Dec. 31, 2017
--- | --- | ---
Loan loss allowances, financing receivable past due |  |
Non-accrual loans, total | $ 27,270 | $ 54,730
Commercial |  |
Loan loss allowances, financing receivable past due |  |
Non-accrual loans, total | 17,896 | 17,909
Commercial Real Estate:Other Construction and Land Development |  |
Loan loss allowances, financing receivable past due |  |
Non-accrual loans, total | 2,166 | 2,455
Commercial Real Estate: Farmland and Commercial |  |
Loan loss allowances, financing receivable past due |  |
Non-accrual loans, total | 6,020 | 33,123
Commercial Real Estate: Multifamily |  |
Loan loss allowances, financing receivable past due |  |
Non-accrual loans, total | 664 | 476
Residential First Lien |  |
Loan loss allowances, financing receivable past due |  |
Non-accrual loans, total | 485 | 712
Residential Junior Lien |  |
Loan loss allowances, financing receivable past due |  |
Non-accrual loans, total |  | 11
Consumer |  |
Loan loss allowances, financing receivable past due |  |
Non-accrual loans, total | $ 39 | $ 44

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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 (a) -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5111-111524 + Details
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