Cash and Cash Equivalents (Tables)

12 Months Ended

Dec. 31, 2017

Subclassifications of assets, liabilities and equities [abstract]

Schedule of cash and cash equivalents

(000s)	December 31, 2017		December 31, 2016
Cash	$	46,051	$	31,392
Cash equivalents	1,398		76
	$	47,449	$	31,468