Operations and Significant Accounting Policies - New Accounting Standards (Details) - Accounting Standards Update 2015-03 [Member] $ in Millions	12 Months Ended
Dec. 31, 2015 USD ($)
Total Assets [Member]
New Accounting Standards [Line Items]
Effect of the Adoption	$ (12.6)
Total Liabilities [Member]
New Accounting Standards [Line Items]
Effect of the Adoption	$ (12.6)

Represents the quantification of the effect of adopting the new accounting standard or change in accounting principle expected by the entity to have a significant effect on the entity's financial statements.

No definition available.

Name:	us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfAdoptionQuantification
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration