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Allowance for Loan Losses - Roll Forward Of the Allowance for Loan Losses (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2018 | Sep. 30, 2017 | Sep. 30, 2018 | Sep. 30, 2017
Allowance for loan losses: |  |  |  |
Beginning balance | $ 47,355 | $ 44,149 | $ 46,211 | $ 42,737
Charge-offs | (1,340) | (2,216) | (4,986) | (5,228)
Recoveries | 345 | 448 | 1,575 | 1,622
Net (charge-offs) recoveries | (995) | (1,768) | (3,411) | (3,606)
Provision for loan losses charged to operations | 2,250 | 2,150 | 5,810 | 5,400
Ending balance | 48,610 | 44,531 | 48,610 | 44,531
Individually evaluated for impairment | 1,280 | 2,928 | 1,280 | 2,928
Collectively evaluated for impairment | 44,502 | 39,678 | 44,502 | 39,678
Receivables Acquired with Deteriorated Credit Quality |  |  |  |
Allowance for loan losses: |  |  |  |
Ending balance | 2,828 | 1,925 | 2,828 | 1,925
Commercial, financial, agricultural |  |  |  |
Allowance for loan losses: |  |  |  |
Beginning balance | 7,146 | 5,092 | 5,542 | 5,486
Charge-offs | (511) | (974) | (1,627) | (2,110)
Recoveries | 24 | 137 | 373 | 258
Net (charge-offs) recoveries | (487) | (837) | (1,254) | (1,852)
Provision for loan losses charged to operations | 1,448 | 938 | 3,819 | 1,559
Ending balance | 8,107 | 5,193 | 8,107 | 5,193
Individually evaluated for impairment | 421 | 96 | 421 | 96
Collectively evaluated for impairment | 7,326 | 4,772 | 7,326 | 4,772
Commercial, financial, agricultural | Receivables Acquired with Deteriorated Credit Quality |  |  |  |
Allowance for loan losses: |  |  |  |
Ending balance | 360 | 325 | 360 | 325
Real estate – construction |  |  |  |
Allowance for loan losses: |  |  |  |
Beginning balance | 4,702 | 2,580 | 3,428 | 2,380
Charge-offs | 0 | 0 | 0 | 0
Recoveries | 3 | 67 | 10 | 101
Net (charge-offs) recoveries | 3 | 67 | 10 | 101
Provision for loan losses charged to operations | 8 | 161 | 1,275 | 327
Ending balance | 4,713 | 2,808 | 4,713 | 2,808
Individually evaluated for impairment | 70 | 9 | 70 | 9
Collectively evaluated for impairment | 4,643 | 2,799 | 4,643 | 2,799
Real estate – construction | Receivables Acquired with Deteriorated Credit Quality |  |  |  |
Allowance for loan losses: |  |  |  |
Ending balance | 0 | 0 | 0 | 0
Real estate – 1-4 family mortgage |  |  |  |
Allowance for loan losses: |  |  |  |
Beginning balance | 11,657 | 12,104 | 12,009 | 14,294
Charge-offs | (211) | (575) | (1,861) | (1,401)
Recoveries | 119 | 145 | 335 | 291
Net (charge-offs) recoveries | (92) | (430) | (1,526) | (1,110)
Provision for loan losses charged to operations | (1,497) | 439 | (415) | (1,071)
Ending balance | 10,068 | 12,113 | 10,068 | 12,113
Individually evaluated for impairment | 70 | 855 | 70 | 855
Collectively evaluated for impairment | 9,493 | 10,644 | 9,493 | 10,644
Real estate – 1-4 family mortgage | Receivables Acquired with Deteriorated Credit Quality |  |  |  |
Allowance for loan losses: |  |  |  |
Ending balance | 505 | 614 | 505 | 614
Real estate – commercial mortgage |  |  |  |
Allowance for loan losses: |  |  |  |
Beginning balance | 22,450 | 22,600 | 23,384 | 19,059
Charge-offs | (216) | (543) | (875) | (1,204)
Recoveries | 152 | 72 | 756 | 884
Net (charge-offs) recoveries | (64) | (471) | (119) | (320)
Provision for loan losses charged to operations | 2,041 | 481 | 1,162 | 3,871
Ending balance | 24,427 | 22,610 | 24,427 | 22,610
Individually evaluated for impairment | 715 | 1,963 | 715 | 1,963
Collectively evaluated for impairment | 21,751 | 19,662 | 21,751 | 19,662
Real estate – commercial mortgage | Receivables Acquired with Deteriorated Credit Quality |  |  |  |
Allowance for loan losses: |  |  |  |
Ending balance | 1,961 | 985 | 1,961 | 985
Installment loans to individuals |  |  |  |
Allowance for loan losses: |  |  |  |
Beginning balance | 1,400 | 1,773 | 1,848 | 1,518
Charge-offs | (402) | (124) | (623) | (513)
Recoveries | 47 | 27 | 101 | 88
Net (charge-offs) recoveries | (355) | (97) | (522) | (425)
Provision for loan losses charged to operations | 250 | 131 | (31) | 714
Ending balance | 1,295 | 1,807 | 1,295 | 1,807
Individually evaluated for impairment | 4 | 5 | 4 | 5
Collectively evaluated for impairment | 1,289 | 1,801 | 1,289 | 1,801
Installment loans to individuals | Receivables Acquired with Deteriorated Credit Quality |  |  |  |
Allowance for loan losses: |  |  |  |
Ending balance | $ 2 | $ 1 | $ 2 | $ 1

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