SHAREHOLDERS EQUITY (Detail Textuals) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended
May 07, 2018	Mar. 31, 2018	Mar. 31, 2017
Stockholders Equity Note [Line Items]
Quarterly cash dividends		$ 2,049	$ 2,043
Dividend (per share)		$ 0.18	$ 0.18
Subsequent Event
Stockholders Equity Note [Line Items]
Declared Date	May 07, 2018
Dividend (per share)	$ 0.18
Payment Date	Jun. 18, 2018
Record Date	Jun. 11, 2018

Line items represents Stockholders' Equity Note.

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- Definition

Aggregate dividends paid during the period for each share of common stock outstanding.

+ References

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- Definition

Date the declared dividend will be paid, in CCYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4304-108586

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- Definition

Amount of paid and unpaid cash dividends declared for classes of stock, for example, but not limited to, common and preferred.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 405
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6957935&loc=d3e64057-112817

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Balance Type:	debit
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- Definition

Date the dividend to be paid was declared, in CCYY-MM-DD format.

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- Definition

Date the holder must own the stock to be entitled to the dividend, in CCYY-MM-DD format.

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