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FAIR VALUE MEASUREMENTS (Tables)
12 Months Ended
Dec. 31, 2019
Fair Value Disclosures [Abstract]  
Schedule of interest rate swap derivatives fair value
Information regarding the Company's interest rate swaps measured at fair value, which are classified within Level 2 of the GAAP fair value hierarchy, is presented below (dollars in thousands):
Interest Rate Swaps Designated as Cash Flow Hedges
Fair value at December 31, 2017$12,414  
Gains on interest rate swaps reclassified into interest expense from accumulated other comprehensive income
(1,817) 
Unrealized gains on interest rate swaps included in accumulated other comprehensive income
3,598  
Fair value at December 31, 2018$14,195  
Gains on interest rate swaps reclassified into interest expense from accumulated other comprehensive income
(3,337) 
Unrealized losses on interest rate swaps included in accumulated other comprehensive income
(29,941) 
Fair value at December 31, 2019$(19,083)