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Allowance for Probable Loan Losses (Portfolio Credit Quality By Loan Class) (Details) $ in Thousands | 9 Months Ended |
--- | --- | ---
Sep. 30, 2019 USD ($) item | Dec. 31, 2018 USD ($)
Loan portfolio by credit quality indicator |  |
Portfolio, total | $ 6,895,142 | $ 6,561,289
Number of additional relationships reclassified from Pass to Watch List - Substandard | item | 2 |
Pass |  |
Loan portfolio by credit quality indicator |  |
Portfolio, total | $ 6,524,425 | 6,126,933
Special Review |  |
Loan portfolio by credit quality indicator |  |
Portfolio, total | 7,994 | 64,135
Watch List - Pass |  |
Loan portfolio by credit quality indicator |  |
Portfolio, total | 73,574 | 92,976
Watch List - Substandard |  |
Loan portfolio by credit quality indicator |  |
Portfolio, total | 269,160 | 253,345
Watch - List Impaired |  |
Loan portfolio by credit quality indicator |  |
Portfolio, total | 19,989 | 23,900
Commercial |  |
Loan portfolio by credit quality indicator |  |
Portfolio, total | 1,295,736 | 1,128,969
Commercial | Pass |  |
Loan portfolio by credit quality indicator |  |
Portfolio, total | 1,228,895 | 998,625
Commercial | Special Review |  |
Loan portfolio by credit quality indicator |  |
Portfolio, total | 19 | 441
Commercial | Watch List - Pass |  |
Loan portfolio by credit quality indicator |  |
Portfolio, total | 957 | 44,544
Commercial | Watch List - Substandard |  |
Loan portfolio by credit quality indicator |  |
Portfolio, total | 58,453 | 76,180
Commercial | Watch - List Impaired |  |
Loan portfolio by credit quality indicator |  |
Portfolio, total | 7,412 | 9,179
Commercial Real Estate:Other Construction and Land Development |  |
Loan portfolio by credit quality indicator |  |
Portfolio, total | 2,044,410 | 1,886,231
Commercial Real Estate:Other Construction and Land Development | Pass |  |
Loan portfolio by credit quality indicator |  |
Portfolio, total | 1,948,752 | 1,817,098
Commercial Real Estate:Other Construction and Land Development | Special Review |  |
Loan portfolio by credit quality indicator |  |
Portfolio, total |  | 1,648
Commercial Real Estate:Other Construction and Land Development | Watch List - Pass |  |
Loan portfolio by credit quality indicator |  |
Portfolio, total | 37,566 | 9,055
Commercial Real Estate:Other Construction and Land Development | Watch List - Substandard |  |
Loan portfolio by credit quality indicator |  |
Portfolio, total | 56,298 | 56,338
Commercial Real Estate:Other Construction and Land Development | Watch - List Impaired |  |
Loan portfolio by credit quality indicator |  |
Portfolio, total | 1,794 | 2,092
Commercial Real Estate: Farmland and Commercial |  |
Loan portfolio by credit quality indicator |  |
Portfolio, total | 1,967,111 | 1,949,898
Commercial Real Estate: Farmland and Commercial | Pass |  |
Loan portfolio by credit quality indicator |  |
Portfolio, total | 1,771,180 | 1,726,711
Commercial Real Estate: Farmland and Commercial | Special Review |  |
Loan portfolio by credit quality indicator |  |
Portfolio, total | 7,975 | 62,046
Commercial Real Estate: Farmland and Commercial | Watch List - Pass |  |
Loan portfolio by credit quality indicator |  |
Portfolio, total | 34,067 | 38,373
Commercial Real Estate: Farmland and Commercial | Watch List - Substandard |  |
Loan portfolio by credit quality indicator |  |
Portfolio, total | 152,149 | 119,259
Commercial Real Estate: Farmland and Commercial | Watch - List Impaired |  |
Loan portfolio by credit quality indicator |  |
Portfolio, total | 1,740 | 3,509
Commercial Real Estate: Multifamily |  |
Loan portfolio by credit quality indicator |  |
Portfolio, total | 242,089 | 226,257
Commercial Real Estate: Multifamily | Pass |  |
Loan portfolio by credit quality indicator |  |
Portfolio, total | 240,535 | 224,823
Commercial Real Estate: Multifamily | Watch List - Substandard |  |
Loan portfolio by credit quality indicator |  |
Portfolio, total | 905 | 927
Commercial Real Estate: Multifamily | Watch - List Impaired |  |
Loan portfolio by credit quality indicator |  |
Portfolio, total | 649 | 507
Residential First Lien |  |
Loan portfolio by credit quality indicator |  |
Portfolio, total | 438,472 | 445,800
Residential First Lien | Pass |  |
Loan portfolio by credit quality indicator |  |
Portfolio, total | 430,825 | 438,773
Residential First Lien | Watch List - Pass |  |
Loan portfolio by credit quality indicator |  |
Portfolio, total | 143 | 142
Residential First Lien | Watch List - Substandard |  |
Loan portfolio by credit quality indicator |  |
Portfolio, total | 1,218 | 641
Residential First Lien | Watch - List Impaired |  |
Loan portfolio by credit quality indicator |  |
Portfolio, total | 6,286 | 6,244
Residential Junior Lien |  |
Loan portfolio by credit quality indicator |  |
Portfolio, total | 713,292 | 727,301
Residential Junior Lien | Pass |  |
Loan portfolio by credit quality indicator |  |
Portfolio, total | 711,747 | 725,538
Residential Junior Lien | Watch List - Pass |  |
Loan portfolio by credit quality indicator |  |
Portfolio, total | 841 | 862
Residential Junior Lien | Watch - List Impaired |  |
Loan portfolio by credit quality indicator |  |
Portfolio, total | 704 | 901
Consumer |  |
Loan portfolio by credit quality indicator |  |
Portfolio, total | 47,072 | 46,316
Consumer | Pass |  |
Loan portfolio by credit quality indicator |  |
Portfolio, total | 45,941 | 45,141
Consumer | Watch - List Impaired |  |
Loan portfolio by credit quality indicator |  |
Portfolio, total | 1,131 | 1,175
Foreign |  |
Loan portfolio by credit quality indicator |  |
Portfolio, total | 146,960 | 150,517
Foreign | Pass |  |
Loan portfolio by credit quality indicator |  |
Portfolio, total | 146,550 | 150,224
Foreign | Watch List - Substandard |  |
Loan portfolio by credit quality indicator |  |
Portfolio, total | 137 |
Foreign | Watch - List Impaired |  |
Loan portfolio by credit quality indicator |  |
Portfolio, total | $ 273 | $ 293

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- Definition Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=118952595&loc=d3e4428-111522 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=118936363&loc=d3e5074-111524 + Details
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