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STOCK OPTIONS AND AWARDS (Tables) | 12 Months Ended
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Dec. 31, 2021
Share-based Payment Arrangement [Abstract] |
Share-based Payment Arrangement, Option, Activity [Table Text Block] | Stock option activity for the year ended December 31, 2021, is summarized as follows:
(Dollars in thousands, except share and per share data) |  | Number of shares |  | Weighted average exercise price |  | Weighted average remaining contractual life |  | Aggregate intrinsic value
Outstanding at beginning of year |  | 27,451 |  |  | $ | 10.53 |  |  |  |  |
Granted |  | 0 |  | 0.00 |  |  |  |  |
Exercised |  | (6,936) |  |  | 9.21 |  |  |  |  |
Forfeited or expired |  | 0 |  |  | 0.00 |  |  |  |  |
Outstanding at end of year |  | 20,515 |  |  | $ | 10.98 |  |  | 1.78 years |  | $ | 275 |
Exercisable at end of year |  | 20,515 |  |  | $ | 10.98 |  |  | 1.78 years |  | $ | 275 |
Cash Proceeds Received and Tax Benefit from Share-based Payment Awards [Table Text Block] |
|  | 2021 |  | 2020 |  | 2019
Total intrinsic value of options exercised |  | $ | 114 |  |  | $ | 86 |  |  | $ | 462 |
Cash received from exercises |  | $ | 64 |  |  | $ | 72 |  |  | $ | 90 |
Tax benefit from exercises |  | $ | 2,229 |  |  | $ | 1,776 |  |  | $ | 1,844 |
Share-based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block] | Activity in restricted stock for the previous three years ended December 31 is summarized as follows:
|  | 2021 |  | 2020 |  | 2019
|  | Number of shares |  | Weighted average grant date fair value |  | Number of shares |  | Weighted average grant date fair value |  | Number of shares |  | Weighted average grant date fair value
Nonvested at beginning of year |  | 763,283 |  |  | $ | 22.04 |  |  | 530,569 |  |  | $ | 27.19 |  |  | 462,446 |  |  | $ | 26.39 |
Granted |  | 539,020 |  |  | 22.69 |  |  | 503,311 |  |  | 18.62 |  |  | 395,023 |  |  | 26.55 |
Vested |  | (386,848) |  |  | 22.24 |  |  | (233,828) |  |  | 26.07 |  |  | (295,633) |  |  | 24.94 |
Forfeited |  | (75,722) |  |  | 22.86 |  |  | (36,769) |  |  | 23.79 |  |  | (31,267) |  |  | 28.63 |
Nonvested at end of year |  | 839,733 |  |  | $ | 22.30 |  |  | 763,283 |  |  | $ | 22.04 |  |  | 530,569 |  |  | $ | 27.19 |

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- Definition Tabular disclosure of cash received from exercise of stock options and similar instruments granted under share-based payment arrangements and tax benefit from exercise of stock options. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=120381028&loc=SL79508275-113901 + Details
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- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year. + References No definition available. + Details
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