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Allowance for Probable Loan Losses (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2013 | Sep. 30, 2012 | Sep. 30, 2013 | Sep. 30, 2012
Allowance for probable loan losses |  |  |  |
Balance at the beginning of the period | $ 65,051 | $ 70,378 | $ 58,193 | $ 84,192
Losses charged to allowance | (3,845) | (4,036) | (10,410) | (31,789)
Recoveries credited to allowance | 823 | 990 | 2,485 | 3,537
Net losses charged to allowance | (3,022) | (3,046) | (7,925) | (28,252)
Provision (credit) charged to operations | 5,800 | 5,349 | 17,561 | 16,741
Balance at the end of the period | 67,829 | 72,681 | 67,829 | 72,681
Commercial |  |  |  |
Allowance for probable loan losses |  |  |  |
Balance at the beginning of the period | 20,676 | 24,688 | 11,632 | 26,617
Losses charged to allowance | (3,540) | (3,521) | (8,866) | (10,009)
Recoveries credited to allowance | 658 | 821 | 1,909 | 2,823
Net losses charged to allowance | (2,882) | (2,700) | (6,957) | (7,186)
Provision (credit) charged to operations | 3,370 | 3,312 | 16,489 | 5,869
Balance at the end of the period | 21,164 | 25,300 | 21,164 | 25,300
Commercial real estate: other construction and land development |  |  |  |
Allowance for probable loan losses |  |  |  |
Balance at the beginning of the period | 11,624 | 13,242 | 12,720 | 19,940
Losses charged to allowance | (2) | (3) | (250) | (7,574)
Recoveries credited to allowance | 10 | 13 | 36 | 225
Net losses charged to allowance | 8 | 10 | (214) | (7,349)
Provision (credit) charged to operations | (10) | 44 | (884) | 705
Balance at the end of the period | 11,622 | 13,296 | 11,622 | 13,296
Commercial real estate: farmland and commercial |  |  |  |
Allowance for probable loan losses |  |  |  |
Balance at the beginning of the period | 22,383 | 20,551 | 21,880 | 24,227
Losses charged to allowance |  | (1) | (61) | (12,477)
Recoveries credited to allowance | 9 | 32 | 150 | 163
Net losses charged to allowance | 9 | 31 | 89 | (12,314)
Provision (credit) charged to operations | 1,549 | 1,138 | 1,972 | 9,807
Balance at the end of the period | 23,941 | 21,720 | 23,941 | 21,720
Commercial real estate: multifamily |  |  |  |
Allowance for probable loan losses |  |  |  |
Balance at the beginning of the period | 623 | 803 | 694 | 1,003
Provision (credit) charged to operations | 112 | (27) | 41 | (227)
Balance at the end of the period | 735 | 776 | 735 | 776
Residential: first lien |  |  |  |
Allowance for probable loan losses |  |  |  |
Balance at the beginning of the period | 3,855 | 3,987 | 4,390 | 4,562
Losses charged to allowance | (22) | (63) | (221) | (129)
Recoveries credited to allowance | 45 | 4 | 54 | 7
Net losses charged to allowance | 23 | (59) | (167) | (122)
Provision (credit) charged to operations | 186 | 272 | (159) | (240)
Balance at the end of the period | 4,064 | 4,200 | 4,064 | 4,200
Residential: junior lien |  |  |  |
Allowance for probable loan losses |  |  |  |
Balance at the beginning of the period | 4,047 | 4,410 | 4,448 | 4,760
Losses charged to allowance | (149) | (282) | (544) | (993)
Recoveries credited to allowance | 80 | 62 | 204 | 168
Net losses charged to allowance | (69) | (220) | (340) | (825)
Provision (credit) charged to operations | 404 | 626 | 274 | 881
Balance at the end of the period | 4,382 | 4,816 | 4,382 | 4,816
Consumer |  |  |  |
Allowance for probable loan losses |  |  |  |
Balance at the beginning of the period | 797 | 1,476 | 1,289 | 1,724
Losses charged to allowance | (130) | (159) | (446) | (595)
Recoveries credited to allowance | 21 | 58 | 127 | 151
Net losses charged to allowance | (109) | (101) | (319) | (444)
Provision (credit) charged to operations | 124 | 31 | (158) | 126
Balance at the end of the period | 812 | 1,406 | 812 | 1,406
Foreign |  |  |  |
Allowance for probable loan losses |  |  |  |
Balance at the beginning of the period | 1,046 | 1,221 | 1,140 | 1,359
Losses charged to allowance | (2) | (7) | (22) | (12)
Recoveries credited to allowance |  |  | 5 |
Net losses charged to allowance | (2) | (7) | (17) | (12)
Provision (credit) charged to operations | 65 | (47) | (14) | (180)
Balance at the end of the period | $ 1,109 | $ 1,167 | $ 1,109 | $ 1,167

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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 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=28368275&loc=d3e5212-111524 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 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 7 -Subparagraph d -Article 9 + Details
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- Definition Amount, after recoveries, of loans and leases that have been written-off. + References No definition available. + Details
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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 No definition available. + 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 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 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 7 -Subparagraph d -Article 9 Reference 3: 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 4: 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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- Definition Amount of expense related to estimated loss from loan and lease transactions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 11 -Article 9 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.11) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 + Details
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