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ACCUMULATED OTHER COMPREHENSIVE INCOME(LOSS) (Schedule of Reclassifications Out of Accumulated Other Comprehensive Income) (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Dec. 31, 2021
Sep. 30, 2021
Jun. 30, 2021
Mar. 31, 2021
Dec. 31, 2020
Sep. 30, 2020
Jun. 30, 2020
Mar. 31, 2020
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]                      
Interest expense $ (4,863) $ (4,856) $ (5,841) $ (6,446) $ (6,797) $ (8,025) $ (9,678) $ (13,648) $ (22,006) $ (38,148) $ (60,396)
Income tax expense (5,867) (5,036) (5,521) (4,616) (1,512) (5,202) (2,441) 3,344 (21,040) (5,811) (18,688)
Net income $ 14,855 $ 14,171 $ 14,418 $ 13,178 $ 3,030 $ 13,547 $ 8,242 $ 1,373 56,622 26,192 47,434
Reclassification out of Accumulated Other Comprehensive Income | Gain/(Loss) on Cash Flow Hedge [Member]                      
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]                      
Interest expense                   (89) (223)
Other income                 842    
Income tax expense                 (236) 23 67
Net income                 $ 606 $ (66) $ (156)