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CAPITAL STOCK - Summary of Dividend Reinvestment Plan (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Equity [Abstract]    
Shares issued through direct purchase and dividend reinvestment program (in shares) 0 166,000
Amount raised from direct purchase and dividend reinvestment program $ 0 $ 1,175