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Allowance for Loan Losses (Tables) | 12 Months Ended
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Dec. 31, 2020
Allowance For Loan Losses [Abstract] |
Financing Receivable, Current, Allowance for Credit Loss [Table Text Block] | The activity in the allowance for loan losses for the years ended December 31, 2020, 2019, and 2018 is summarized in the following tables.
|  | Year ended December 31, 2020
(In thousands) |  | Commercial, financial and agricultural |  | Commercial real estate |  | Construction real estate |  | Residential real estate |  | Consumer |  | Leases |  | Total
Allowance for loan losses: |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  | $ | 20,203 |  |  | $ | 10,229 |  |  | $ | 5,311 |  |  | $ | 8,610 |  |  | $ | 12,211 |  |  | $ | 115 |  |  | $ | 56,679 |
Charge-offs |  | 1,468 |  |  | 1,824 |  |  | 6 |  |  | 356 |  |  | 6,634 |  |  | 16 |  |  | 10,304 |
Recoveries |  | (20,765) |  |  | (738) |  |  | (1,122) |  |  | (991) |  |  | (3,629) |  |  | (1) |  |  | (27,246) |
Net (recoveries) charge-offs |  | (19,297) |  |  | 1,086 |  |  | (1,116) |  |  | (635) |  |  | 3,005 |  |  | 15 |  |  | (16,942) |
(Recovery) Provision |  | (13,892) |  |  | 14,337 |  |  | 861 |  |  | 2,118 |  |  | 8,212 |  |  | 418 |  |  | 12,054 |
Ending balance |  | $ | 25,608 |  |  | $ | 23,480 |  |  | $ | 7,288 |  |  | $ | 11,363 |  |  | $ | 17,418 |  |  | 518 |  |  | $ | 85,675 |
|  | Year ended December 31, 2019
(In thousands) |  | Commercial, financial and agricultural |  | Commercial real estate |  | Construction real estate |  | Residential real estate |  | Consumer |  | Leases |  | Total
Allowance for loan losses: |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  | $ | 16,777 |  |  | $ | 9,768 |  |  | $ | 4,463 |  |  | $ | 8,731 |  |  | $ | 11,773 |  |  | $ | — |  |  | $ | 51,512 |
Charge-offs |  | 2,231 |  |  | 400 |  |  | — |  |  | 239 |  |  | 8,307 |  |  | — |  |  | 11,177 |
Recoveries |  | (1,241) |  |  | (720) |  |  | (2,682) |  |  | (787) |  |  | (4,742) |  |  | (1) |  |  | (10,173) |
Net charge-offs (recoveries) |  | 990 |  |  | (320) |  |  | (2,682) |  |  | (548) |  |  | 3,565 |  |  | (1) |  |  | 1,004 |
Provision (Recovery) |  | 4,416 |  |  | 141 |  |  | (1,834) |  |  | (669) |  |  | 4,003 |  |  | 114 |  |  | 6,171 |
Ending balance |  | $ | 20,203 |  |  | $ | 10,229 |  |  | $ | 5,311 |  |  | $ | 8,610 |  |  | $ | 12,211 |  |  | $ | 115 |  |  | $ | 56,679 |
|  | Year ended December 31, 2018
(In thousands) |  | Commercial, financial and agricultural |  | Commercial real estate |  | Construction real estate |  | Residential real estate |  | Consumer |  | Leases |  | Total
Allowance for loan losses: |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  | $ | 15,022 |  |  | $ | 9,601 |  |  | $ | 4,430 |  |  | $ | 9,321 |  |  | $ | 11,614 |  |  | $ | — |  |  | $ | 49,988 |
Charge-offs |  | 2,796 |  |  | 281 |  |  | 72 |  |  | 441 |  |  | 9,962 |  |  | — |  |  | 13,552 |
Recoveries |  | (1,221) |  |  | (272) |  |  | (712) |  |  | (844) |  |  | (4,078) |  |  | (4) |  |  | (7,131) |
Net charge-offs (recoveries) |  | 1,575 |  |  | 9 |  |  | (640) |  |  | (403) |  |  | 5,884 |  |  | (4) |  |  | 6,421 |
Provision (Recovery) |  | 3,330 |  |  | 176 |  |  | (607) |  |  | (993) |  |  | 6,043 |  |  | (4) |  |  | 7,945 |
Ending balance |  | $ | 16,777 |  |  | $ | 9,768 |  |  | $ | 4,463 |  |  | $ | 8,731 |  |  | $ | 11,773 |  |  | $ | — |  |  | $ | 51,512 |
Schedule of the composition of the allowance for loan losses | The composition of the allowance for loan losses at December 31, 2020 and 2019 was as follows:
| December 31, 2020
(In thousands) | Commercial, financial, and agricultural |  | Commercial real estate |  | Construction real estate |  | Residential real estate |  | Consumer |  | Leases |  | Total
Allowance for loan losses: |  |  |  |  |  |  |  |  |  |  |  |
Ending allowance balance attributed to loans: |  |  |  |  |  |  |  |  |  |  |  |  |
Individually evaluated for impairment | $ | 3,758 |  |  | $ | 1,316 |  |  | $ | — |  |  | $ | 16 |  |  | $ | — |  |  | $ | 344 |  |  | $ | 5,434 |
Collectively evaluated for impairment | 21,809 |  |  | 22,093 |  |  | 7,288 |  |  | 11,292 |  |  | 17,418 |  |  | 174 |  |  | 80,074 |
Acquired with deteriorated credit quality | 41 |  |  | 71 |  |  | — |  |  | 55 |  |  | — |  |  | — |  |  | 167 |
Total ending allowance balance | $ | 25,608 |  |  | $ | 23,480 |  |  | $ | 7,288 |  |  | $ | 11,363 |  |  | $ | 17,418 |  |  | $ | 518 |  |  | $ | 85,675 |
Loan balance: |  |  |  |  |  |  |  |  |  |  |  |  |
Loans individually evaluated for impairment | $ | 28,811 |  |  | $ | 70,334 |  |  | $ | 3,110 |  |  | $ | 4,557 |  |  | $ | — |  |  | $ | 1,595 |  |  | $ | 108,407 |
Loans collectively evaluated for impairment | 1,559,842 |  |  | 1,670,510 |  |  | 339,312 |  |  | 1,806,126 |  |  | 1,659,704 |  |  | 22,731 |  |  | 7,058,225 |
Loans acquired with deteriorated credit quality | 336 |  |  | 7,345 |  |  | 999 |  |  | 2,361 |  |  | — |  |  | 112 |  |  | 11,153 |
Total ending loan balance | $ | 1,588,989 |  |  | $ | 1,748,189 |  |  | $ | 343,421 |  |  | $ | 1,813,044 |  |  | $ | 1,659,704 |  |  | $ | 24,438 |  |  | $ | 7,177,785 |
Allowance for loan losses as a percentage of loan balance: |  |  |  |  |  |  |  |  |  |  |  |  |
Loans individually evaluated for impairment | 13.04 | % |  | 1.87 | % |  | — | % |  | 0.35 | % |  | — | % |  | 21.57 | % |  | 5.01 | %
Loans collectively evaluated for impairment | 1.40 | % |  | 1.32 | % |  | 2.15 | % |  | 0.63 | % |  | 1.05 | % |  | 0.77 | % |  | 1.13 | %
Loans acquired with deteriorated credit quality | 12.20 | % |  | 0.97 | % |  | — | % |  | 2.33 | % |  | — | % |  | — | % |  | 1.50 | %
Total | 1.61 | % |  | 1.34 | % |  | 2.12 | % |  | 0.63 | % |  | 1.05 | % |  | 2.12 | % |  | 1.19 | %
Recorded investment: |  |  |  |  |  |  |  |  |  |  |  |  |
Loans individually evaluated for impairment | $ | 28,836 |  |  | $ | 70,357 |  |  | $ | 3,110 |  |  | $ | 4,557 |  |  | $ | — |  |  | $ | 1,595 |  |  | $ | 108,455 |
Loans collectively evaluated for impairment | 1,566,344 |  |  | 1,676,388 |  |  | 340,116 |  |  | 1,808,892 |  |  | 1,664,214 |  |  | 22,745 |  |  | 7,078,699 |
Loans acquired with deteriorated credit quality | 337 |  |  | 7,461 |  |  | 1,002 |  |  | 2,372 |  |  | — |  |  | 112 |  |  | 11,284 |
Total ending recorded investment | $ | 1,595,517 |  |  | $ | 1,754,206 |  |  | $ | 344,228 |  |  | $ | 1,815,821 |  |  | $ | 1,664,214 |  |  | $ | 24,452 |  |  | $ | 7,198,438 |
| December 31, 2019
(In thousands) | Commercial, financial, and agricultural |  | Commercial real estate |  | Construction real estate |  | Residential real estate |  | Consumer |  | Leases |  | Total
Allowance for loan losses: |  |  |  |  |  |  |  |  |  |  |  |  |
Ending allowance balance attributed to loans: |  |  |  |  |  |  |  |  |  |  |  |  |
Individually evaluated for impairment | $ | 5,104 |  |  | $ | 35 |  |  | $ | — |  |  | $ | 42 |  |  | $ | — |  |  | $ | 49 |  |  | $ | 5,230 |
Collectively evaluated for impairment | 14,948 |  |  | 10,187 |  |  | 5,311 |  |  | 8,458 |  |  | 12,211 |  |  | 66 |  |  | 51,181 |
Acquired with deteriorated credit quality | 151 |  |  | 7 |  |  | — |  |  | 110 |  |  | — |  |  | — |  |  | 268 |
Total ending allowance balance | $ | 20,203 |  |  | $ | 10,229 |  |  | $ | 5,311 |  |  | $ | 8,610 |  |  | $ | 12,211 |  |  | $ | 115 |  |  | $ | 56,679 |
Loan balance: |  |  |  |  |  |  |  |  |  |  |  |  |
Loans individually evaluated for impairment | $ | 33,077 |  |  | $ | 41,770 |  |  | $ | 453 |  |  | $ | 2,025 |  |  | $ | — |  |  | $ | 134 |  |  | $ | 77,459 |
Loans collectively evaluated for impairment | 1,151,073 |  |  | 1,558,550 |  |  | 330,106 |  |  | 1,888,088 |  |  | 1,452,373 |  |  | 29,424 |  |  | 6,409,614 |
Loans acquired with deteriorated credit quality (1) | 960 |  |  | 9,093 |  |  | 1,140 |  |  | 2,613 |  |  | 2 |  |  | 523 |  |  | 14,331 |
Total ending loan balance | $ | 1,185,110 |  |  | $ | 1,609,413 |  |  | $ | 331,699 |  |  | $ | 1,892,726 |  |  | $ | 1,452,375 |  |  | $ | 30,081 |  |  | $ | 6,501,404 |
Allowance for loan losses as a percentage of loan balance: |  |  |  |  |  |  |  |  |  |  |  |  |
Loans individually evaluated for impairment | 15.43 | % |  | 0.08 | % |  | — | % |  | 2.07 | % |  | — | % |  | 36.57 | % |  | 6.75 | %
Loans collectively evaluated for impairment | 1.30 | % |  | 0.65 | % |  | 1.61 | % |  | 0.45 | % |  | 0.84 | % |  | 0.22 | % |  | 0.80 | %
Loans acquired with deteriorated credit quality | 15.73 | % |  | 0.08 | % |  | — | % |  | 4.21 | % |  | — | % |  | — | % |  | 1.87 | %
Total | 1.70 | % |  | 0.64 | % |  | 1.60 | % |  | 0.45 | % |  | 0.84 | % |  | 0.38 | % |  | 0.87 | %
Recorded investment: |  |  |  |  |  |  |  |  |  |  |  |  |
Loans individually evaluated for impairment | $ | 33,088 |  |  | $ | 41,791 |  |  | $ | 453 |  |  | $ | 2,025 |  |  | $ | — |  |  | $ | 134 |  |  | $ | 77,491 |
Loans collectively evaluated for impairment | 1,155,449 |  |  | 1,564,011 |  |  | 331,161 |  |  | 1,891,941 |  |  | 1,456,687 |  |  | 29,444 |  |  | 6,428,693 |
Loans acquired with deteriorated credit quality (1) | 966 |  |  | 9,182 |  |  | 1,143 |  |  | 2,625 |  |  | 2 |  |  | 523 |  |  | 14,441 |
Total ending recorded investment | $ | 1,189,503 |  |  | $ | 1,614,984 |  |  | $ | 332,757 |  |  | $ | 1,896,591 |  |  | $ | 1,456,689 |  |  | $ | 30,101 |  |  | $ | 6,520,625 |
(1) Excludes loans acquired with deteriorated credit quality which are individually evaluated for impairment due to additional credit deterioration post acquisition. These loans had a balance of $5,000, a recorded investment of $6,000, and no allowance as of December 31, 2019.
Financing Receivable - High Risk Industries COVID 19 Additional Reserves | A breakout of the 4-rated balances and additional reserve related to these portfolios is detailed in the following table.
| December 31, 2020
(in thousands) | 4-Rated Balance |  | 4-Rated Balance - Originated |  | 4-Rated Balance - Purchased |  | Additional Reserve
Hotels and accommodations | $ | 96,909 |  |  | $ | 93,090 |  |  | $ | 3,819 |  |  | $ | 1,391 |
Restaurants and food service | 33,409 |  |  | 27,880 |  |  | 5,529 |  |  | 637 |
Strip shopping centers | 177,706 |  |  | 156,605 |  |  | 21,101 |  |  | 1,731 |
Total | $ | 308,024 |  |  | $ | 277,575 |  |  | $ | 30,449 |  |  | $ | 3,759 |

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- Definition Tabular disclosure of allowance for credit loss of financing receivable, classified as current. + 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) -URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953423-111524 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919249-210447 + Details
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