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v3.19.1

Allowance for Probable Loan Losses (Impaired Loans) (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2019 | Mar. 31, 2018 | Dec. 31, 2018
Interest Recognized |  |  |
Total trouble debt restructuring | $ 8,074 |  | $ 8,158
Period of time for determining the historical charge-off experience | 3 years |  |
Period of charge off for past due unsecured commercial loans | 90 days |  |
Class of Financing Receivable |  |  |
Recorded investment: |  |  |
Total impaired loans with related allowance | $ 25,922 |  | 1,698
Total impaired loans with no related allowance | 30,127 |  | 22,202
Unpaid principal balance: |  |  |
Total impaired loans with an allowance recorded | 26,851 |  | 2,330
Total impaired loans with no related allowance recorded | 31,166 |  | 23,284
Related Allowance | 10,282 |  | 772
Average recorded investment: |  |  |
Total impaired loans with an allowance recorded | 25,942 | $ 16,964 | 1,882
Total impaired loans with no related allowance recorded | 30,619 | 50,280 | 65,192
Interest Recognized |  |  |
Total impaired loans with no related allowance recorded | 90 | 93 | 368
Commercial |  |  |
Interest Recognized |  |  |
Total trouble debt restructuring | 34 |  | 35
Commercial | Class of Financing Receivable |  |  |
Recorded investment: |  |  |
Total impaired loans with related allowance | 1,325 |  | 1,563
Total impaired loans with no related allowance | 17,283 |  | 7,616
Unpaid principal balance: |  |  |
Total impaired loans with an allowance recorded | 1,908 |  | 2,161
Total impaired loans with no related allowance recorded | 17,420 |  | 7,730
Related Allowance | 666 |  | 656
Average recorded investment: |  |  |
Total impaired loans with an allowance recorded | 1,327 | 1,717 | 1,741
Total impaired loans with no related allowance recorded | 17,370 | 16,820 | 16,194
Interest Recognized |  |  |
Total impaired loans with no related allowance recorded | 1 | 1 | 3
Commercial Real Estate:Other Construction and Land Development | Class of Financing Receivable |  |  |
Recorded investment: |  |  |
Total impaired loans with related allowance | 134 |  | 135
Total impaired loans with no related allowance | 1,925 |  | 1,957
Unpaid principal balance: |  |  |
Total impaired loans with an allowance recorded | 169 |  | 169
Total impaired loans with no related allowance recorded | 2,167 |  | 2,205
Related Allowance | 116 |  | 116
Average recorded investment: |  |  |
Total impaired loans with an allowance recorded | 135 | 144 | 141
Total impaired loans with no related allowance recorded | 1,924 | 2,284 | 2,151
Commercial Real Estate: Farmland and Commercial | Class of Financing Receivable |  |  |
Recorded investment: |  |  |
Total impaired loans with related allowance | 24,463 |  |
Total impaired loans with no related allowance | 1,928 |  | 3,509
Unpaid principal balance: |  |  |
Total impaired loans with an allowance recorded | 24,774 |  |
Total impaired loans with no related allowance recorded | 2,493 |  | 4,031
Related Allowance | 9,500 |  |
Average recorded investment: |  |  |
Total impaired loans with an allowance recorded | 24,480 | 15,103 |
Total impaired loans with no related allowance recorded | 2,305 | 21,488 | 36,632
Commercial Real Estate: Multifamily | Class of Financing Receivable |  |  |
Recorded investment: |  |  |
Total impaired loans with no related allowance | 507 |  | 507
Unpaid principal balance: |  |  |
Total impaired loans with no related allowance recorded | 539 |  | 538
Average recorded investment: |  |  |
Total impaired loans with no related allowance recorded | 506 | 471 | 565
Residential First Lien |  |  |
Interest Recognized |  |  |
Total trouble debt restructuring | 5,951 |  | 5,947
Residential First Lien | Class of Financing Receivable |  |  |
Recorded investment: |  |  |
Total impaired loans with no related allowance | 6,216 |  | 6,244
Unpaid principal balance: |  |  |
Total impaired loans with no related allowance recorded | 6,268 |  | 6,386
Average recorded investment: |  |  |
Total impaired loans with no related allowance recorded | 6,239 | 6,960 | 7,136
Interest Recognized |  |  |
Total impaired loans with no related allowance recorded | 75 | 77 | 305
Residential Junior Lien |  |  |
Interest Recognized |  |  |
Total trouble debt restructuring | 743 |  | 730
Residential Junior Lien | Class of Financing Receivable |  |  |
Recorded investment: |  |  |
Total impaired loans with no related allowance | 908 |  | 901
Unpaid principal balance: |  |  |
Total impaired loans with no related allowance recorded | 918 |  | 911
Average recorded investment: |  |  |
Total impaired loans with no related allowance recorded | 912 | 708 | 976
Interest Recognized |  |  |
Total impaired loans with no related allowance recorded | 11 | 10 | 44
Consumer |  |  |
Interest Recognized |  |  |
Total trouble debt restructuring | 1,060 |  | 1,153
Consumer | Class of Financing Receivable |  |  |
Recorded investment: |  |  |
Total impaired loans with no related allowance | 1,074 |  | 1,175
Unpaid principal balance: |  |  |
Total impaired loans with no related allowance recorded | 1,075 |  | 1,190
Average recorded investment: |  |  |
Total impaired loans with no related allowance recorded | 1,075 | 1,208 | 1,211
Interest Recognized |  |  |
Total impaired loans with no related allowance recorded |  | 1 | 2
Foreign |  |  |
Interest Recognized |  |  |
Total trouble debt restructuring | 286 |  | 293
Foreign | Class of Financing Receivable |  |  |
Recorded investment: |  |  |
Total impaired loans with no related allowance | 286 |  | 293
Unpaid principal balance: |  |  |
Total impaired loans with no related allowance recorded | 286 |  | 293
Average recorded investment: |  |  |
Total impaired loans with no related allowance recorded | 288 | 341 | 327
Interest Recognized |  |  |
Total impaired loans with no related allowance recorded | $ 3 | $ 4 | $ 14

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