DERIVATIVES AND HEDGING ACTIVITIES, Effect on Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Gain (Loss) on Derivative Financial Instruments [Abstract]
Amount of gain (loss) recognized in other comprehensive income	$ (5,745)	$ 745	$ (8,673)	$ 2,826
Interest Rate Products [Member] \| Other Comprehensive Income [Member]
Gain (Loss) on Derivative Financial Instruments [Abstract]
Amount of gain (loss) recognized in other comprehensive income	(5,745)	745	(8,673)	2,826
Interest Rate Products [Member] \| Other Comprehensive Income [Member] \| Interest Expense [Member]
Gain (Loss) on Derivative Financial Instruments [Abstract]
Amount of gain reclassified from other comprehensive income into interest expense	$ 332	$ 185	$ 688	$ 250

Amount before tax of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 11
-URI http://asc.fasb.org/extlink&oid=118930883&loc=d3e637-108580

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 30
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=109978405&loc=d3e80720-113993

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 10A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=118930883&loc=SL7669646-108580

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Period Type:	duration