EQUITY AND MEZZANINE EQUITY - Share Repurchase Program (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019
Equity, Class of Treasury Stock [Line Items]
Average price of shares issues (in dollars per share)	$ 71.39	$ 72.29
Share Repurchase Program
Equity, Class of Treasury Stock [Line Items]
Shares repurchased (in shares)	237	329
Aggregate cost of common shares repurchased	$ 5,629	$ 18,023
Average price of shares issues (in dollars per share)	$ 23.75	$ 54.69

Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital).

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-Name Accounting Standards Codification
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-Publisher FASB
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Balance Type:	debit
Period Type:	duration