Share Capital - Outstanding Options Under the Protiva Option Plan (Details)	12 Months Ended
	Dec. 31, 2015 CAD / shares shares	Dec. 31, 2015 CAD / shares $ / shares shares	Dec. 31, 2014 CAD / shares shares	Dec. 31, 2014 CAD / shares $ / shares shares	Dec. 31, 2013 CAD / shares shares	Dec. 31, 2013 CAD / shares $ / shares shares	Dec. 31, 2015 $ / shares shares	Dec. 31, 2014 $ / shares shares	Dec. 31, 2013 $ / shares shares	Dec. 31, 2012 CAD / shares shares	Dec. 31, 2012 $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Balance - Number of optioned common shares (in shares)	2,519,831	2,519,831					2,519,831
Protiva Share Options
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Balance - Number of optioned common shares (in shares)	67,000	67,000	433,740	433,740	472,885	472,885	67,000	433,740	472,885	475,885	475,885
Balance, Weighted average exercise price | (per share)	CAD 0.30	CAD 0.30	CAD 0.30	CAD 0.30	CAD 0.30	CAD 0.30	$ 0.22	$ 0.27	$ 0.29	CAD 0.30	$ 0.30
Options exercised (in shares)	(358,675)	(358,675)	(38,145)	(38,145)	(2,000)	(2,000)
Options exercised - Weighted average exercise price | (per share)	CAD 0.30	CAD 0.23	CAD 0.30	CAD 0.27	CAD 0.30	CAD 0.29
Options forfeited, canceled or expired (in shares)	(8,065)	(8,065)	(1,000)	(1,000)	(1,000)	(1,000)
Options forfeited, cancelled or expired - Weighted average exercise price | (per share)	CAD 0.30	CAD 0.23	CAD 0.30	CAD 0.27	CAD 0.30	CAD 0.29
Equivalent number of Company common shares | Protiva Share Options
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Balance - Number of optioned common shares (in shares)	45,236	45,236	292,845	292,845	319,274	319,274	45,236	292,845	319,274	321,299	321,299
Options exercised (in shares)	(242,164)	(242,164)	(25,754)	(25,754)	(1,350)	(1,350)
Options forfeited, canceled or expired (in shares)	(5,445)	(5,445)	(675)	(675)	(675.00)	(675.00)