Income Taxes: Interest, Penalties and Audits (Details) $ in Millions	1 Months Ended
Jan. 31, 2016 USD ($)
Subsequent Event [Member]
Income Tax Examination [Line Items]
Unrecognized Tax Benefits, Increase Resulting from Settlements with Taxing Authorities	$ 0.4

Amount of increase in unrecognized tax benefits resulting from settlements with taxing authorities.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15A
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=6907707&loc=SL6600010-109319

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