Share Capital (Tables)

12 Months Ended

Dec. 31, 2017

Share Capital, Reserves And Other Equity Interest [Abstract]

Reconciliation of number of shares Issued

Issued

	December 31, 2017			December 31, 2016
(000s)	Shares	Amount		Shares	Amount
Balance, beginning of year	72,206	$	152,084	72,206	$	152,084
Balance, end of year	72,206	$	152,084	72,206	$	152,084