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

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=6367179&loc=d3e4304-108586

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The per share amount of a dividend declared, but not paid, as of the financial reporting date.

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

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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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Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(1)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

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SUBSEQUENT EVENTS (Details) - $ / shares		12 Months Ended
SUBSEQUENT EVENTS (Details) - $ / shares	Mar. 10, 2016	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Mar. 07, 2016
Subsequent Event [Line Items]
Dividends declaration date		Mar. 07, 2016
Dividends payable, per share (in dollars per share)		$ 0.18	$ 0.13	$ 0.11
Dividends payable date		Jun. 01, 2016
Dividends payable. record date		May 02, 2016
Restricted Stock [Member]
Subsequent Event [Line Items]
Restricted shares granted (in shares)		116,140	268,648	250,000
Restricted Stock [Member] \| Minimum [Member]
Subsequent Event [Line Items]
Award vesting period		3 years
Restricted Stock [Member] \| Maximum [Member]
Subsequent Event [Line Items]
Award vesting period		5 years
Subsequent Event [Member]
Subsequent Event [Line Items]
Dividends payable, per share (in dollars per share)					$ 0.06
Subsequent Event [Member] \| Restricted Stock [Member]
Subsequent Event [Line Items]
Restricted shares granted (in shares)	128,472