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DEBT - Interest Rates (Details) - USD ($)
$ in Thousands
1 Months Ended 12 Months Ended
Sep. 21, 2005
Sep. 30, 2015
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Interest rates on debt          
Effective Interest Rate (as a percent)     4.63% 3.22% 3.71%
Letter of credit          
Restricted cash - noncurrent     $ 315 $ 315  
Minimum          
Interest rates on debt          
Range of interest rates (excluding unused commitment fees)     2.26% 2.24% 2.65%
Maximum          
Interest rates on debt          
Range of interest rates (excluding unused commitment fees)     6.54% 3.48% 3.50%
Letter of credit          
Letter of credit          
Fee on letter of credit (as a percent) 1.00% 1.375% 1.375% 1.375%  
Amount of letters outstanding     $ 300 $ 300  
Restricted cash - noncurrent     $ 315 $ 315  
Letter of credit | Minimum          
Letter of credit          
Notice period for cancellation of line of credit     30 days