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Employee Benefit Plans and Share-Based Payments (Tables)

12 Months Ended

Dec. 31, 2017

Plan 2013-15 [Member]

Summary of Share Based Benefit Plan

Plan 2013-2015


		2017				2016				2015
Amount at the beginning of the year			—				188,493				695,015
- Granted			—				9,130				—
- Settled			—				(193,878	)			(503,535	)
- Expired			—				(3,745	)			(2,987	)

Amount at end of year⁽¹⁾			—				—				188,493

Expense recognized during the year			—				6				34
Fair value of shares on grant date (in dollars)			—				14.75				14.75

(1)	The life of the plan in 2016 was 7 months and between 10 and 19 months as of December 2015.

Plan 2014-17 [Member]

Summary of Share Based Benefit Plan

Plan 2014-2017


		2017				2016				2015
Amount at the beginning of the year			99,278				234,130				356,054
- Granted			6,269				6,978				—
- Settled			(105,201	)			(123,926	)			(118,927	)
- Expired			(346	)			(17,904	)			(2,997	)

Amount at end of year⁽¹⁾			—				99,278				234,130

Expense recognized during the year			8				28				53
Fair value of shares on grant date (in dollars)			33.41				33.41				33.41

(1)	The life of the plan in 2017 was 7 months, whereas the remaining life as of December 31, 2016 was 7 months, and between 7 and 19 months as of December 2015.

Plan 2015-18 [Member]

Summary of Share Based Benefit Plan

Plan 2015-2018


		2017				2016				2015
Amount at the beginning of the year			339,459				602,079				—
- Granted			2,682				—				619,060
- Settled			(168,814	)			(202,227	)			(888	)
- Expired			(11,276	)			(60,393	)			(16,093	)

Amount at end of year⁽¹⁾			162,051				339,459				602,079

Expense recognized during the year			26				63				37
Fair value of shares on grant date (in dollars)			19.31				19.31				19.31

(1)	The average remaining life of the plan was 7 months as of December 31, 2017, between 7 and 31 months as of December 31, 2016 and between 7 and 31 months as of December 2015.

Plan 2016-19 [Member]

Summary of Share Based Benefit Plan

Plan 2016-2019


		2017				2016
Amount at the beginning of the year			682,307				—
- Granted			—				682,307
- Settled			(228,981	)			—
- Expired			(59,354	)			—

Amount at end of year⁽¹⁾			393,972				682,307

Expense recognized during the year			59				56
Fair value of shares on grant date (in dollars)			16.99				16.99

(1)	The average remaining life of the plan is between 7 and 19 months as of December 2017 and between 7 and 31 months as of December 31, 2016.

Plan 2017-2020 [Member]

Summary of Share Based Benefit Plan

Plan 2017-2020


		2017
Amount at the beginning of the year			—
- Granted			646,149
- Settled			—
- Expired			(1,200	)

Amount at end of year⁽¹⁾			644,949

Expense recognized during the year			69
Fair value of shares on grant date (in dollars)			20.26

(1)	The average remaining life of the plan is between 7 and 31 months as of December 31, 2017.