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Allowance for Probable Loan Losses (Impairment By Loan Class) (Details) - USD ($) $ in Thousands | Mar. 31, 2017 | Dec. 31, 2016
--- | --- | ---
Loan loss allowances, impaired financing receivable, evaluated individually or collectively |  |
Loans Individually Evaluated for Impairment, Recorded Investment | $ 43,013 | $ 48,405
Loans Individually Evaluated for Impairment, Allowance | 1,503 | 961
Loans Collectively Evaluated for Impairment, Recorded Investment | 5,966,490 | 5,916,283
Loans Collectively Evaluated for Impairment, Allowance | 62,683 | 63,700
Commercial |  |
Loan loss allowances, impaired financing receivable, evaluated individually or collectively |  |
Loans Individually Evaluated for Impairment, Recorded Investment | 21,336 | 22,412
Loans Individually Evaluated for Impairment, Allowance | 277 |
Loans Collectively Evaluated for Impairment, Recorded Investment | 842,857 | 887,255
Loans Collectively Evaluated for Impairment, Allowance | 25,576 | 25,649
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 | 3,587 | 4,776
Loans Individually Evaluated for Impairment, Allowance | 319 | 371
Loans Collectively Evaluated for Impairment, Recorded Investment | 1,774,695 | 1,712,099
Loans Collectively Evaluated for Impairment, Allowance | 13,470 | 13,518
Commercial Real Estate: Farmland & Commercial |  |
Loan loss allowances, impaired financing receivable, evaluated individually or collectively |  |
Loans Individually Evaluated for Impairment, Recorded Investment | 7,997 | 10,810
Loans Individually Evaluated for Impairment, Allowance | 863 | 546
Loans Collectively Evaluated for Impairment, Recorded Investment | 1,949,675 | 1,932,260
Loans Collectively Evaluated for Impairment, Allowance | 15,858 | 16,185
Commercial Real Estate: Multifamily |  |
Loan loss allowances, impaired financing receivable, evaluated individually or collectively |  |
Loans Individually Evaluated for Impairment, Recorded Investment | 532 | 552
Loans Collectively Evaluated for Impairment, Recorded Investment | 144,566 | 139,914
Loans Collectively Evaluated for Impairment, Allowance | 818 | 806
Residential First Lien |  |
Loan loss allowances, impaired financing receivable, evaluated individually or collectively |  |
Loans Individually Evaluated for Impairment, Recorded Investment | 6,590 | 6,836
Loans Individually Evaluated for Impairment, Allowance | 44 | 44
Loans Collectively Evaluated for Impairment, Recorded Investment | 411,944 | 415,068
Loans Collectively Evaluated for Impairment, Allowance | 2,347 | 2,411
Residential Junior Lien |  |
Loan loss allowances, impaired financing receivable, evaluated individually or collectively |  |
Loans Individually Evaluated for Impairment, Recorded Investment | 968 | 978
Loans Collectively Evaluated for Impairment, Recorded Investment | 627,513 | 609,340
Loans Collectively Evaluated for Impairment, Allowance | 3,186 | 3,716
Consumer |  |
Loan loss allowances, impaired financing receivable, evaluated individually or collectively |  |
Loans Individually Evaluated for Impairment, Recorded Investment | 1,246 | 1,295
Loans Collectively Evaluated for Impairment, Recorded Investment | 52,368 | 53,873
Loans Collectively Evaluated for Impairment, Allowance | 504 | 531
Foreign |  |
Loan loss allowances, impaired financing receivable, evaluated individually or collectively |  |
Loans Individually Evaluated for Impairment, Recorded Investment | 757 | 746
Loans Collectively Evaluated for Impairment, Recorded Investment | 162,872 | 166,474
Loans Collectively Evaluated for Impairment, Allowance | $ 924 | $ 884

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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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=66008989&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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953423-111524 + Details
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- Definition The balance of financing receivables that were collectively evaluated for impairment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953423-111524 + Details
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