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EQUITY AWARDS - Summary of Restricted Stock Awards and Units Activity (Details) - Restricted Stock Awards And Units [Member] - $ / shares | 6 Months Ended
--- | ---
Jun. 30, 2020 | Jun. 30, 2019
Number of Shares |  |
Outstanding at beginning of year (in shares) | 31,459 | 2,398
Granted (in shares) | 0 | 30,500
Vested (in shares) | (10,100) | (959)
Forfeited (in shares) | 0 | 0
Balance (in shares) | 21,359 | 31,939
Outstanding at beginning of year | $ 30.29 | $ 31.57
Granted | 0 | 30.25
Vested | 30.25 | 0
Forfeited | 0 | 0
Balance | $ 30.31 | $ 29.43

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- Definition Number of shares under non-option equity instrument agreements that were cancelled as a result of occurrence of a terminating event. + 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)(iv)(3) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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