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

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3

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

Subsequent Event (Details) - $ / shares				3 Months Ended		6 Months Ended
Subsequent Event (Details) - $ / shares	Jul. 24, 2015	Apr. 24, 2015	Feb. 20, 2015	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Subsequent Event
Cash dividends declared per common share (in dollars per share)		$ 0.25	$ 0.25	$ 0.25	$ 0.00	$ 0.50	$ 0.00
Subsequent Event
Subsequent Event
Cash dividends declared per common share (in dollars per share)	$ 0.25