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RELATED PARTIES (Schedule of Target-based Cash Incentives) (Details) - Executive Officer [Member] $ in Thousands	12 Months Ended
	Dec. 31, 2017 USD ($)
Profit Before Tax Targets Range One [Member]
Related Party Transaction [Line Items]
Level of incentive	20.00%
Profit Before Tax Targets Range Two [Member]
Related Party Transaction [Line Items]
Level of incentive	45.00%
Profit Before Tax Targets Range Three [Member]
Related Party Transaction [Line Items]
Level of incentive	75.00%
Profit Before Tax Targets Range Four [Member]
Related Party Transaction [Line Items]
Level of incentive	110.00%
Profit Before Tax Targets Range Five [Member]
Related Party Transaction [Line Items]
Level of incentive	150.00%
Minimum [Member]
Related Party Transaction [Line Items]
Profit-Before-Tax Targets	$ 24,000
Level of incentive	15.00%
Minimum [Member] | Profit Before Tax Targets Range One [Member]
Related Party Transaction [Line Items]
Profit-Before-Tax Targets	$ 24,001
Minimum [Member] | Profit Before Tax Targets Range Two [Member]
Related Party Transaction [Line Items]
Profit-Before-Tax Targets	27,501
Minimum [Member] | Profit Before Tax Targets Range Three [Member]
Related Party Transaction [Line Items]
Profit-Before-Tax Targets	31,001
Minimum [Member] | Profit Before Tax Targets Range Four [Member]
Related Party Transaction [Line Items]
Profit-Before-Tax Targets	35,001
Minimum [Member] | Profit Before Tax Targets Range Five [Member]
Related Party Transaction [Line Items]
Profit-Before-Tax Targets	$ 39,001
Maximum [Member]
Related Party Transaction [Line Items]
Level of incentive	150.00%
Maximum [Member] | Profit Before Tax Targets Range One [Member]
Related Party Transaction [Line Items]
Profit-Before-Tax Targets	$ 27,500
Maximum [Member] | Profit Before Tax Targets Range Two [Member]
Related Party Transaction [Line Items]
Profit-Before-Tax Targets	31,000
Maximum [Member] | Profit Before Tax Targets Range Three [Member]
Related Party Transaction [Line Items]
Profit-Before-Tax Targets	35,000
Maximum [Member] | Profit Before Tax Targets Range Four [Member]
Related Party Transaction [Line Items]
Profit-Before-Tax Targets	$ 39,000

X

- Definition

Represents the level of incentive as a percentage of executive office holder's annual cost of pay.

+ References

No definition available.

+ Details

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X

- Definition

The range of profits that must be achieved for to award a cash incentive to the Executive Office Holders.

+ References

No definition available.

+ Details

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- Definition

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.

+ References

No definition available.

+ Details

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- Details

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