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Allowance for Probable Loan Losses (By Loan Class) (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2017 | Mar. 31, 2016
Allowance for probable loan losses |  |
Balance at the beginning of the period | $ 64,661 | $ 66,988
Losses charged to allowance | (2,992) | (19,575)
Recoveries credited to allowance | 817 | 5,237
Net (losses) recoveries charged to allowance | (2,175) | (14,338)
Provision charged to operations | 1,700 | 9,134
Balance at the end of the period | $ 64,186 | 61,784
Period of time for determining the historical charge-off experience | 3 months |
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 | $ 25,649 | 21,431
Losses charged to allowance | (2,735) | (19,071)
Recoveries credited to allowance | 699 | 5,143
Net (losses) recoveries charged to allowance | (2,036) | (13,928)
Provision charged to operations | 2,240 | 18,280
Balance at the end of the period | 25,853 | 25,783
Commercial Real Estate: Other Construction and Land Development |  |
Allowance for probable loan losses |  |
Balance at the beginning of the period | 13,889 | 13,920
Recoveries credited to allowance | 1 | 4
Net (losses) recoveries charged to allowance | 1 | 4
Provision charged to operations | (101) | (3,054)
Balance at the end of the period | 13,789 | 10,870
Commercial Real Estate: Farmland & Commercial |  |
Allowance for probable loan losses |  |
Balance at the beginning of the period | 16,731 | 19,769
Losses charged to allowance |  | (47)
Recoveries credited to allowance | 58 | 11
Net (losses) recoveries charged to allowance | 58 | (36)
Provision charged to operations | (68) | (2,759)
Balance at the end of the period | 16,721 | 16,974
Commercial Real Estate: Multifamily |  |
Allowance for probable loan losses |  |
Balance at the beginning of the period | 806 | 1,248
Losses charged to allowance |  | (180)
Net (losses) recoveries charged to allowance |  | (180)
Provision charged to operations | 12 | (158)
Balance at the end of the period | 818 | 910
Residential First Lien |  |
Allowance for probable loan losses |  |
Balance at the beginning of the period | 2,455 | 3,509
Losses charged to allowance | (31) | (7)
Recoveries credited to allowance | 5 | 3
Net (losses) recoveries charged to allowance | (26) | (4)
Provision charged to operations | (38) | (1,136)
Balance at the end of the period | 2,391 | 2,369
Residential Junior Lien |  |
Allowance for probable loan losses |  |
Balance at the beginning of the period | 3,716 | 5,321
Losses charged to allowance | (105) | (169)
Recoveries credited to allowance | 24 | 38
Net (losses) recoveries charged to allowance | (81) | (131)
Provision charged to operations | (449) | (1,770)
Balance at the end of the period | 3,186 | 3,420
Consumer |  |
Allowance for probable loan losses |  |
Balance at the beginning of the period | 531 | 638
Losses charged to allowance | (121) | (101)
Recoveries credited to allowance | 16 | 37
Net (losses) recoveries charged to allowance | (105) | (64)
Provision charged to operations | 78 | (44)
Balance at the end of the period | 504 | 530
Foreign |  |
Allowance for probable loan losses |  |
Balance at the beginning of the period | 884 | 1,152
Recoveries credited to allowance | 14 | 1
Net (losses) recoveries charged to allowance | 14 | 1
Provision charged to operations | 26 | (225)
Balance at the end of the period | $ 924 | $ 928

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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=66008989&loc=SL6953423-111524 + 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=66008989&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=66008989&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=66008989&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 10 -Section S99 -Paragraph 4 -Subparagraph (SAB Topic 6.L.1) -URI http://asc.fasb.org/extlink&oid=27010918&loc=d3e74567-122707 Reference 5: 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 + Details
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