ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) -Reclassifications Line Items (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Reclassification adjustments
Interest expense	$ 3,588,000	$ 2,907,000	$ 7,618,000	$ 5,716,000
Unrealized Gain (Loss) on Interest Rate Hedge | Interest rate swap agreement
Reclassification adjustments
Amounts in AOCI expected to be recognized over the next 12 months before tax	509,000		509,000
Amounts in AOCI expected to be recognized over the next 12 months, net of taxes	402,000		402,000
Unrealized Gain (Loss) on Interest Rate Hedge | Interest rate swap agreement | Reclassification out of accumulated other comprehensive income
Reclassification adjustments
Interest expense	127,000	119,000	266,000	392,000
Interest expense, net of tax	$ 100,000	$ 94,000	$ 210,000	$ 310,000