Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Name:	us-gaap_LossContingenciesLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

COMMITMENTS AND CONTINGENT LIABILITIES - Narrative (Details) - Pending Litigation - plaintiff	Aug. 23, 2017	Apr. 24, 2017
Fitzwater Litigation
Loss Contingencies [Line Items]
Number of plaintiffs		3
Casey Litigation
Loss Contingencies [Line Items]
Number of plaintiffs	2