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DEBT - Schedule of Maturities of Long-term Debt (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Debt Disclosure [Abstract]    
2020 $ 82,000  
2021 0  
2022 325,000  
2023 0  
2024 350,000  
Thereafter 300,000  
Total debt $ 1,057,000 $ 975,000