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INCOME TAXES INCOME TAXES - Unrecognized Tax Benefits (Details) - USD ($) | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] |  |  |
Uncertain tax position liability at the beginning of the year | $ 0 | $ 400,000 | $ 445,000
Increases related to tax positions taken during prior period | 0 | 0 | 21,000
Decreases related to tax positions taken during prior periods | 0 | (400,000) | 0
Decreases related to settlements with taxing authorities | 0 | 0 | (66,000)
Uncertain tax position liability at the end of the year | $ 0 | $ 0 | $ 400,000

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- Definition Amount of unrecognized tax benefits. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 45 -Paragraph 10B -URI http://asc.fasb.org/extlink&oid=120406818&loc=SL37586934-109318 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=84230637&loc=SL6600010-109319 + Details
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