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Summary of Significant Accounting Policies:New and Recently Adopted Accounting Standards (Details)
$ in Millions
12 Months Ended
Dec. 31, 2017
USD ($)
Retained Earnings [Member] | Accounting Standards Update 2016-09 [Member]  
New Accounting Pronouncements and Changes in Accounting Principles [Abstract]  
Cumulative Effect on Retained Earnings, Net of Tax $ (0.1)