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

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

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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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The month and year (YYYY-MM) that the dividend to be paid was declared.

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

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- Definition

Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3291-108585

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DIVIDENDS PER SHARE (Details) - USD ($) $ / shares in Units, $ in Thousands		1 Months Ended		3 Months Ended
	Mar. 14, 2018	Apr. 26, 2018	Feb. 28, 2018	Mar. 31, 2018	Mar. 31, 2017
Dividends per Share [Abstract]
Payment of cash dividends				$ 19,801	$ 18,987
Dividend Declared 2018-Q1 [Member]
Dividends per Share [Abstract]
Dividend payable, date declared				2018-02
Dividend payable per share (in dollars per share)			$ 0.365
Payment of cash dividends	$ 19,800
Dividend payable, date to be paid				Mar. 14, 2018
Dividend payable, date of record				Feb. 26, 2018
Dividend Declared 2018-Q2 [Member] \| Subsequent Event [Member]
Dividends per Share [Abstract]
Dividend payable, date declared		2018-04
Dividend payable per share (in dollars per share)		$ 0.365
Dividend payable, date to be paid		Jun. 13, 2018
Dividend payable, date of record		May 25, 2018