ACCOUNTING POLICIES AND PRONOUNCEMENTS (Narrative) (Details)	3 Months Ended
	Mar. 31, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Average remaining term of lease	5 years
Lease termination period	1 year
Minimum
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating leases remaining lease term	1 year
Lease renewal term	2 years
Maximum
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating leases remaining lease term	54 years
Lease renewal term	40 years