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Loans and Allowance for Loan Losses - Aggregated analysis of the changes in allowance for loan losses (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Changes in allowance for loan losses |  |  |
Balance at beginning of period | $ 55,798 | $ 48,075 | $ 40,355
Loans charged-off | (9,775) | (8,226) | (6,779)
Recoveries of loans previously charged off | 3,914 | 3,300 | 3,430
Net charge-offs | (5,861) | (4,926) | (3,349)
Reduction due to loan removals | (723) | (1,134) | (821)
Balance at end of period | 61,991 | 55,798 | 48,075
Non-acquired loans |  |  |
Changes in allowance for loan losses |  |  |
Balance at beginning of period | 51,194 | 43,448 | 36,960
Loans charged-off | (6,917) | (6,012) | (5,149)
Recoveries of loans previously charged off | 3,367 | 2,995 | 2,953
Net charge-offs | (3,550) | (3,017) | (2,196)
Provision for loan losses charged to operations | 9,283 | 10,763 | 8,684
Balance at end of period | 56,927 | 51,194 | 43,448
Acquired non-credit impaired loans |  |  |
Changes in allowance for loan losses |  |  |
Loans charged-off | (2,858) | (2,214) | (1,630)
Recoveries of loans previously charged off | 547 | 305 | 477
Net charge-offs | (2,311) | (1,909) | (1,153)
Provision for loan losses charged to operations | 2,311 | 1,909 | 1,153
Acquired credit impaired loans |  |  |
Changes in allowance for loan losses |  |  |
Balance at beginning of period | 4,604 | 4,627 | 3,395
Reduction due to loan removals | (723) | (1,134) | (821)
Balance at end of period | 5,064 | 4,604 | 4,627
Residential real estate | Acquired credit impaired loans |  |  |
Changes in allowance for loan losses |  |  |
Reduction due to loan removals | (407) | (415) | (528)
Commercial owner occupied real estate loan | Non-acquired loans |  |  |
Changes in allowance for loan losses |  |  |
Loans charged-off | (87) | (659) |
Recoveries of loans previously charged off | 174 | 145 | 220
Provision for loan losses charged to operations | 1,125 | 1,755 | (114)
Consumer loans | Acquired credit impaired loans |  |  |
Changes in allowance for loan losses |  |  |
Reduction due to loan removals |  | (3) | (14)
Commercial and industrial | Non-acquired loans |  |  |
Changes in allowance for loan losses |  |  |
Loans charged-off | (622) | (500) | (776)
Recoveries of loans previously charged off | 351 | 256 | 343
Provision for loan losses charged to operations | 1,156 | 2,210 | 1,079
Commercial and industrial | Acquired non-credit impaired loans |  |  |
Changes in allowance for loan losses |  |  |
Loans charged-off | (1,289) | (1,108) | (71)
Recoveries of loans previously charged off | 190 | 63 | 6
Provision for loan losses charged to operations | 1,099 | 1,045 | 65
Commercial and industrial | Acquired credit impaired loans |  |  |
Changes in allowance for loan losses |  |  |
Reduction due to loan removals | (315) | (577) | (157)
Other income producing property | Non-acquired loans |  |  |
Changes in allowance for loan losses |  |  |
Loans charged-off | (31) | (2) | (51)
Recoveries of loans previously charged off | 94 | 21 | 85
Provision for loan losses charged to operations | (173) | 52 | (201)
Other income producing property | Acquired non-credit impaired loans |  |  |
Changes in allowance for loan losses |  |  |
Loans charged-off | (26) |  |
Recoveries of loans previously charged off | 71 |  | 8
Provision for loan losses charged to operations | (45) |  | (8)
Consumer | Non-acquired loans |  |  |
Changes in allowance for loan losses |  |  |
Loans charged-off | (5,843) | (4,480) | (3,261)
Recoveries of loans previously charged off | 1,178 | 811 | 689
Provision for loan losses charged to operations | 5,511 | 3,982 | 3,010
Consumer | Acquired non-credit impaired loans |  |  |
Changes in allowance for loan losses |  |  |
Loans charged-off | (444) | (465) | (468)
Recoveries of loans previously charged off | 51 | 68 | 23
Provision for loan losses charged to operations | 393 | 397 | 445
Other loans | Non-acquired loans |  |  |
Changes in allowance for loan losses |  |  |
Provision for loan losses charged to operations | 96 | (264) | 203
Construction and land development | Commercial non-owner occupied real estate | Non-acquired loans |  |  |
Changes in allowance for loan losses |  |  |
Loans charged-off | (78) | (76) | (546)
Recoveries of loans previously charged off | 1,016 | 1,340 | 968
Provision for loan losses charged to operations | (516) | (1,503) | 1,408
Construction and land development | Commercial non-owner occupied real estate | Acquired credit impaired loans |  |  |
Changes in allowance for loan losses |  |  |
Reduction due to loan removals |  | (120) | (122)
Construction and land development | Commercial loans | Acquired non-credit impaired loans |  |  |
Changes in allowance for loan losses |  |  |
Loans charged-off | (44) | (107) | (82)
Recoveries of loans previously charged off | 3 | 8 | 4
Provision for loan losses charged to operations | 41 | 99 | 78
Other commercial non-owner occupied real estate | Commercial non-owner occupied real estate | Non-acquired loans |  |  |
Changes in allowance for loan losses |  |  |
Loans charged-off | (3) |  |
Recoveries of loans previously charged off | 76 | 11 | 132
Provision for loan losses charged to operations | 1,872 | 2,218 | 1,413
Other commercial non-owner occupied real estate | Commercial non-owner occupied real estate | Acquired credit impaired loans |  |  |
Changes in allowance for loan losses |  |  |
Reduction due to loan removals | (1) | (19) |
Other commercial non-owner occupied real estate | Commercial loans | Acquired non-credit impaired loans |  |  |
Changes in allowance for loan losses |  |  |
Loans charged-off | (786) | (28) |
Recoveries of loans previously charged off |  |  | 2
Provision for loan losses charged to operations | 786 | 28 | (2)
Home equity loans | Consumer loans | Non-acquired loans |  |  |
Changes in allowance for loan losses |  |  |
Loans charged-off | (203) | (215) | (330)
Recoveries of loans previously charged off | 265 | 279 | 210
Provision for loan losses charged to operations | (308) | 120 | 159
Home equity loans | Consumer loans | Acquired non-credit impaired loans |  |  |
Changes in allowance for loan losses |  |  |
Loans charged-off | (263) | (436) | (859)
Recoveries of loans previously charged off | 206 | 102 | 393
Provision for loan losses charged to operations | 57 | 334 | 466
Consumer Owner Occupied Loans | Consumer loans | Non-acquired loans |  |  |
Changes in allowance for loan losses |  |  |
Loans charged-off | (50) | (80) | (185)
Recoveries of loans previously charged off | 213 | 132 | 306
Provision for loan losses charged to operations | 520 | 2,193 | 1,727
Consumer Owner Occupied Loans | Consumer loans | Acquired non-credit impaired loans |  |  |
Changes in allowance for loan losses |  |  |
Loans charged-off | (6) | (70) | (150)
Recoveries of loans previously charged off | 26 | 64 | 41
Provision for loan losses charged to operations | $ (20) | $ 6 | $ 109

X
- Definition Reflects the amount of loans and leases that have been removed, or charged off, from both loan receivables and the reserve for credit losses, typically because they are considered to be not salvageable or have been purchased by unconsolidated collection entities. This amount is net of reduction in bad debt expense attributable to collections of loans and lease receivables which had previously been fully or partially charged off as bad debts. + References No definition available. + Details
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- Definition Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953423-111524 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=118955202&loc=SL82895884-210446 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919249-210447 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -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 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919249-210447 + Details
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