Dividends and Earnings Per Share - Dilutive Effect (Details) - shares		12 Months Ended
May 03, 2013	Dec. 31, 2016
Earnings per share
Accrued Dividend Equivalent Units		1,693
Restricted Stock Units
Earnings per share
Units granted	249,065
Equity Plan \| Restricted Stock Units
Earnings per share
Units granted		249,065
Accrued Dividend Equivalent Units		1,693

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).

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

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration