Share-based awards (Tables)

3 Months Ended

Mar. 31, 2016

Share-based Awards [Abstract]

Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]

Share Options

	Options
Outstanding at January 1, 2016	267,918
Exercised prior to March 18, 2016	(15,997	)
Settled in cash by the Company upon change in control	(251,921	)
Outstanding at March 31, 2016	—

Schedule of Share-based Compensation, Stock Appreciation Rights Award Activity [Table Text Block]

Share-Settled Share Appreciation Rights (SSARs)

	SSARs
Outstanding at January 1, 2016	991,724
Exercised prior to March 18, 2016	(12,294	)
Settled in cash by the Company upon change in control	(979,430	)
Outstanding at March 31, 2016	—

Schedule of Nonvested Restricted Stock Units Activity [Table Text Block]

Restricted Share Units and Performance Share Units

	RSUs and PSUs
Outstanding at January 1, 2016	861,608
Performance based adjustment	76,889
Vested prior to March 18, 2016	(270,986	)
Converted to common shares and settled in cash by EXOR upon change in control	(667,511	)
Outstanding at March 31, 2016	—