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Allowance for Probable Loan Losses (By Loan Class) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2016 | Jun. 30, 2015 | Jun. 30, 2016 | Jun. 30, 2015
Allowance for probable loan losses |  |  |  |
Balance at the beginning of the period | $ 61,784 | $ 66,251 | $ 66,988 | $ 64,828
Losses charged to allowance | (7,535) | (14,342) | (27,110) | (17,029)
Recoveries credited to allowance | 687 | 862 | 5,924 | 2,595
Net (losses) recoveries charged to allowance | (6,848) | (13,480) | (21,186) | (14,434)
Provision charged to operations | 7,097 | 7,767 | 16,231 | 10,144
Balance at the end of the period | 62,033 | 60,538 | 62,033 | 60,538
Watch - List Impaired |  |  |  |
Allowance for probable loan losses |  |  |  |
Losses charged to allowance |  |  | (16,800) |
Commercial |  |  |  |
Allowance for probable loan losses |  |  |  |
Balance at the beginning of the period | 25,783 | 23,519 | 21,431 | 22,352
Losses charged to allowance | (5,396) | (13,073) | (24,467) | (15,382)
Recoveries credited to allowance | 513 | 534 | 5,656 | 1,330
Net (losses) recoveries charged to allowance | (4,883) | (12,539) | (18,811) | (14,052)
Provision charged to operations | 5,082 | 7,922 | 23,362 | 10,602
Balance at the end of the period | 25,982 | 18,902 | 25,982 | 18,902
Commercial Real Estate: Other Construction and Land Development |  |  |  |
Allowance for probable loan losses |  |  |  |
Balance at the beginning of the period | 10,870 | 14,369 | 13,920 | 12,955
Losses charged to allowance | (2) | (685) | (2) | (685)
Recoveries credited to allowance | 3 | 38 | 7 | 39
Net (losses) recoveries charged to allowance | 1 | (647) | 5 | (646)
Provision charged to operations | 238 | (198) | (2,816) | 1,215
Balance at the end of the period | 11,109 | 13,524 | 11,109 | 13,524
Commercial Real Estate: Farmland & Commercial |  |  |  |
Allowance for probable loan losses |  |  |  |
Balance at the beginning of the period | 16,974 | 17,976 | 19,769 | 18,683
Losses charged to allowance | (1,843) | (339) | (1,890) | (356)
Recoveries credited to allowance | 75 | 7 | 86 | 813
Net (losses) recoveries charged to allowance | (1,768) | (332) | (1,804) | 457
Provision charged to operations | 1,736 | 241 | (1,023) | (1,255)
Balance at the end of the period | 16,942 | 17,885 | 16,942 | 17,885
Commercial Real Estate: Multifamily |  |  |  |
Allowance for probable loan losses |  |  |  |
Balance at the beginning of the period | 910 | 840 | 1,248 | 846
Losses charged to allowance |  |  | (180) |
Net (losses) recoveries charged to allowance |  |  | (180) |
Provision charged to operations | (55) | (155) | (213) | (161)
Balance at the end of the period | 855 | 685 | 855 | 685
Residential First Lien |  |  |  |
Allowance for probable loan losses |  |  |  |
Balance at the beginning of the period | 2,369 | 3,573 | 3,509 | 3,589
Losses charged to allowance | (23) | (1) | (30) | (91)
Recoveries credited to allowance | 4 | 10 | 7 | 24
Net (losses) recoveries charged to allowance | (19) | 9 | (23) | (67)
Provision charged to operations | (73) | (148) | (1,209) | (88)
Balance at the end of the period | 2,277 | 3,434 | 2,277 | 3,434
Residential Junior Lien |  |  |  |
Allowance for probable loan losses |  |  |  |
Balance at the beginning of the period | 3,420 | 4,261 | 5,321 | 4,683
Losses charged to allowance | (155) | (5) | (324) | (102)
Recoveries credited to allowance | 76 | 145 | 114 | 251
Net (losses) recoveries charged to allowance | (79) | 140 | (210) | 149
Provision charged to operations | 59 | (93) | (1,711) | (524)
Balance at the end of the period | 3,400 | 4,308 | 3,400 | 4,308
Consumer |  |  |  |
Allowance for probable loan losses |  |  |  |
Balance at the beginning of the period | 530 | 644 | 638 | 660
Losses charged to allowance | (116) | (239) | (217) | (413)
Recoveries credited to allowance | 5 | 124 | 42 | 130
Net (losses) recoveries charged to allowance | (111) | (115) | (175) | (283)
Provision charged to operations | 113 | 96 | 69 | 248
Balance at the end of the period | 532 | 625 | 532 | 625
Foreign |  |  |  |
Allowance for probable loan losses |  |  |  |
Balance at the beginning of the period | 928 | 1,069 | 1,152 | 1,060
Recoveries credited to allowance | 11 | 4 | 12 | 8
Net (losses) recoveries charged to allowance | 11 | 4 | 12 | 8
Provision charged to operations | (3) | 102 | (228) | 107
Balance at the end of the period | $ 936 | $ 1,175 | $ 936 | $ 1,175

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- Definition Amount of recovery of loans and lease receivables which had previously been fully or partially written-off as bad debts. + 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 (c)(4) -URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953423-111524 + Details
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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- Definition Amount of loans and leases that have been written off from both loan receivables and allowance reserve for credit loss. + 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 (c)(3) -URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953423-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7(d)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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- Definition Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements. + 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=49124121&loc=SL6953423-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953423-111524 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7(d)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b)(1)(ii) -URI http://asc.fasb.org/extlink&oid=6379141&loc=d3e15032-111544 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 6 -Section L -Subsection 1 + Details
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