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SHARE BASED COMPENSATION, 401(K) PLAN AND DEFERRED COMPENSATION - Option Activity (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Shares |  |
Outstanding at beginning of year (in shares) | 334,561 |
Exercised (in shares) | (34,515) |
Outstanding at end of year, shares (in shares) | 300,046 | 334,561
Vested/Exercisable at end of year (in shares) | 300,046 |
Weighted Average Exercise Price |  |
Outstanding at beginning of year, Weighted Average Exercise Price (in dollars per shares) | $ 11.88 |
Exercised, Weighted Average Exercise Price (in dollars per shares) | 11.62 |
Outstanding at end of year, Weighted Average Exercise price (in dollars per shares) | 11.91 | $ 11.88
Vested/Exercisable at end of period, Weighted Average Exercise Price (in dollars per shares) | $ 11.91 |
Weighted Average Remaining Contractual Term (in years) | 1 month 6 days | 1 year
Vested/Exercisable at end of period, Weighted Average Remaining Contractual Term (in years) | 1 month 6 days |
Outstanding, Aggregate Intrinsic Value | $ 81,100 |
Exercised, Aggregated Intrinsic Value | 10,100 |
Vested/Exercisable at end of year, Aggregate Intrinsic Value | $ 81,100 |

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- Definition The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan. + 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 (c)(1)(iii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares. + 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)(2) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding. + 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 -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Number of options outstanding, including both vested and non-vested 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 2 -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 (c)(1)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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