LEASE COMMITMENTS (Depreciation and Interest Expense for Capital Leases) (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2019	Mar. 31, 2018
Depreciation and interest expense for capital leases [Abstract]
Depreciation expense	$ 74	$ 67
Interest expense	$ 21	$ 26

The charge for the use of long-lived depreciable capital leased assets for the period.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 30
-Section 45
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=84164758&loc=d3e45031-112735

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 980
-SubTopic 840
-Section 55
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=84167768&loc=d3e56872-110439

Name:	us-gaap_CapitalLeasesIncomeStatementAmortizationExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration