Subsequent Events (Details) - $ / shares	Jan. 10, 2018	Dec. 31, 2017
Subsequent Events [Abstract]
Dividends Payable, Amount Per Share	$ 0.13	$ 0.13
Increase (Decrease) in Dividends Payable, per share	$ 0.01	$ 0.01

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

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

Name:	us-gaap_DividendsPayableAmountPerShare
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant