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Allowance for Probable Loan Losses (Impairment By Loan Class) (Details) - USD ($) $ in Thousands | Sep. 30, 2019 | Dec. 31, 2018
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Loan loss allowances, impaired financing receivable, evaluated individually or collectively |  |
Loans Individually Evaluated for Impairment, Recorded Investment | $ 19,989 | $ 23,900
Loans Individually Evaluated for Impairment, Allowance | 511 | 772
Loans Collectively Evaluated for Impairment, Recorded Investment | 6,875,153 | 6,537,389
Loans Collectively Evaluated for Impairment, Allowance | 59,349 | 60,612
Commercial |  |
Loan loss allowances, impaired financing receivable, evaluated individually or collectively |  |
Loans Individually Evaluated for Impairment, Recorded Investment | 7,412 | 9,179
Loans Individually Evaluated for Impairment, Allowance | 395 | 656
Loans Collectively Evaluated for Impairment, Recorded Investment | 1,288,324 | 1,119,790
Loans Collectively Evaluated for Impairment, Allowance | 10,576 | 11,940
Commercial Real Estate:Other Construction and Land Development |  |
Loan loss allowances, impaired financing receivable, evaluated individually or collectively |  |
Loans Individually Evaluated for Impairment, Recorded Investment | 1,794 | 2,092
Loans Individually Evaluated for Impairment, Allowance | 116 | 116
Loans Collectively Evaluated for Impairment, Recorded Investment | 2,042,616 | 1,884,139
Loans Collectively Evaluated for Impairment, Allowance | 16,734 | 15,007
Commercial Real Estate: Farmland and Commercial |  |
Loan loss allowances, impaired financing receivable, evaluated individually or collectively |  |
Loans Individually Evaluated for Impairment, Recorded Investment | 1,740 | 3,509
Loans Collectively Evaluated for Impairment, Recorded Investment | 1,965,371 | 1,946,389
Loans Collectively Evaluated for Impairment, Allowance | 16,801 | 19,353
Commercial Real Estate: Multifamily |  |
Loan loss allowances, impaired financing receivable, evaluated individually or collectively |  |
Loans Individually Evaluated for Impairment, Recorded Investment | 649 | 507
Loans Collectively Evaluated for Impairment, Recorded Investment | 241,440 | 225,750
Loans Collectively Evaluated for Impairment, Allowance | 2,199 | 1,808
Residential First Lien |  |
Loan loss allowances, impaired financing receivable, evaluated individually or collectively |  |
Loans Individually Evaluated for Impairment, Recorded Investment | 6,286 | 6,244
Loans Collectively Evaluated for Impairment, Recorded Investment | 432,186 | 439,556
Loans Collectively Evaluated for Impairment, Allowance | 3,729 | 3,467
Residential Junior Lien |  |
Loan loss allowances, impaired financing receivable, evaluated individually or collectively |  |
Loans Individually Evaluated for Impairment, Recorded Investment | 704 | 901
Loans Collectively Evaluated for Impairment, Recorded Investment | 712,588 | 726,400
Loans Collectively Evaluated for Impairment, Allowance | 8,015 | 7,719
Consumer |  |
Loan loss allowances, impaired financing receivable, evaluated individually or collectively |  |
Loans Individually Evaluated for Impairment, Recorded Investment | 1,131 | 1,175
Loans Collectively Evaluated for Impairment, Recorded Investment | 45,941 | 45,141
Loans Collectively Evaluated for Impairment, Allowance | 476 | 447
Foreign |  |
Loan loss allowances, impaired financing receivable, evaluated individually or collectively |  |
Loans Individually Evaluated for Impairment, Recorded Investment | 273 | 293
Loans Collectively Evaluated for Impairment, Recorded Investment | 146,687 | 150,224
Loans Collectively Evaluated for Impairment, Allowance | $ 819 | $ 871

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- Definition The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953423-111524 + Details
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- Definition Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953423-111524 + Details
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