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

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3

Reference 2: 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

Name:	us-gaap_CommonStockDividendsPerShareDeclared
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

SUBSEQUENT EVENTS (Details) (USD $)	3 Months Ended		1 Months Ended
SUBSEQUENT EVENTS (Details) (USD $)	Mar. 31, 2015	Mar. 31, 2014	Apr. 30, 2015
Subsequent events
DIVIDENDS DECLARED PER COMMON SHARE (in dollars per share)	$ 0.20	$ 0.18
Subsequent event
Subsequent events
DIVIDENDS DECLARED PER COMMON SHARE (in dollars per share)			$ 0.20