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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, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018
Allowance for loan losses: |  |  |  |
Beginning balance | $ 50,059 | $ 47,355 | $ 49,026 | $ 46,211
Charge-offs | (4,965) | (1,340) | (7,953) | (4,986)
Recoveries | 4,020 | 345 | 5,641 | 1,575
Net (charge-offs) recoveries | (945) | (995) | (2,312) | (3,411)
Provision for loan losses charged to operations | 1,700 | 2,250 | 4,100 | 5,810
Ending balance | 50,814 | 48,610 | 50,814 | 48,610
Individually evaluated for impairment | 2,045 | 1,280 | 2,045 | 1,280
Collectively evaluated for impairment | 46,221 | 44,502 | 46,221 | 44,502
Purchased with deteriorated credit quality |  |  |  |
Allowance for loan losses: |  |  |  |
Ending balance | 2,548 | 2,828 | 2,548 | 2,828
Commercial |  |  |  |
Allowance for loan losses: |  |  |  |
Beginning balance | 9,534 | 7,146 | 8,269 | 5,542
Charge-offs | (757) | (511) | (1,709) | (1,627)
Recoveries | 761 | 24 | 1,376 | 373
Net (charge-offs) recoveries | 4 | (487) | (333) | (1,254)
Provision for loan losses charged to operations | 750 | 1,448 | 2,352 | 3,819
Ending balance | 10,288 | 8,107 | 10,288 | 8,107
Individually evaluated for impairment | 1,382 | 421 | 1,382 | 421
Collectively evaluated for impairment | 8,778 | 7,326 | 8,778 | 7,326
Commercial | Purchased with deteriorated credit quality |  |  |  |
Allowance for loan losses: |  |  |  |
Ending balance | 128 | 360 | 128 | 360
Real estate – construction |  |  |  |
Allowance for loan losses: |  |  |  |
Beginning balance | 5,302 | 4,702 | 4,755 | 3,428
Charge-offs | 0 | 0 | 0 | 0
Recoveries | 0 | 3 | 7 | 10
Net (charge-offs) recoveries | 0 | 3 | 7 | 10
Provision for loan losses charged to operations | (175) | 8 | 365 | 1,275
Ending balance | 5,127 | 4,713 | 5,127 | 4,713
Individually evaluated for impairment | 24 | 70 | 24 | 70
Collectively evaluated for impairment | 5,103 | 4,643 | 5,103 | 4,643
Real estate – construction | Purchased 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 | 9,616 | 11,657 | 10,139 | 12,009
Charge-offs | (268) | (211) | (1,143) | (1,861)
Recoveries | 219 | 119 | 531 | 335
Net (charge-offs) recoveries | (49) | (92) | (612) | (1,526)
Provision for loan losses charged to operations | 282 | (1,497) | 322 | (415)
Ending balance | 9,849 | 10,068 | 9,849 | 10,068
Individually evaluated for impairment | 186 | 70 | 186 | 70
Collectively evaluated for impairment | 9,313 | 9,493 | 9,313 | 9,493
Real estate – 1-4 family mortgage | Purchased with deteriorated credit quality |  |  |  |
Allowance for loan losses: |  |  |  |
Ending balance | 350 | 505 | 350 | 505
Real estate – commercial mortgage |  |  |  |
Allowance for loan losses: |  |  |  |
Beginning balance | 24,302 | 22,450 | 24,492 | 23,384
Charge-offs | (677) | (216) | (1,406) | (875)
Recoveries | 33 | 152 | 644 | 756
Net (charge-offs) recoveries | (644) | (64) | (762) | (119)
Provision for loan losses charged to operations | 381 | 2,041 | 309 | 1,162
Ending balance | 24,039 | 24,427 | 24,039 | 24,427
Individually evaluated for impairment | 450 | 715 | 450 | 715
Collectively evaluated for impairment | 21,521 | 21,751 | 21,521 | 21,751
Real estate – commercial mortgage | Purchased with deteriorated credit quality |  |  |  |
Allowance for loan losses: |  |  |  |
Ending balance | 2,068 | 1,961 | 2,068 | 1,961
Installment and Other |  |  |  |
Allowance for loan losses: |  |  |  |
Beginning balance | 1,305 | 1,400 | 1,371 | 1,848
Charge-offs | (3,263) | (402) | (3,695) | (623)
Recoveries | 3,007 | 47 | 3,083 | 101
Net (charge-offs) recoveries | (256) | (355) | (612) | (522)
Provision for loan losses charged to operations | 462 | 250 | 752 | (31)
Ending balance | 1,511 | 1,295 | 1,511 | 1,295
Individually evaluated for impairment | 3 | 4 | 3 | 4
Collectively evaluated for impairment | 1,506 | 1,289 | 1,506 | 1,289
Installment and Other | Purchased with deteriorated credit quality |  |  |  |
Allowance for loan losses: |  |  |  |
Ending balance | $ 2 | $ 2 | $ 2 | $ 2

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