Capital Transactions (Tables)

12 Months Ended

Dec. 31, 2023

Schedule of stock option activity

	2023							2022			2021
				Weighted
		Weighted		Average			Aggregate		Weighted			Weighted
		Average		Remaining			Intrinsic		Average			Average
	Number of	Exercise		Contractual			Value	Number of	Exercise		Number of	Exercise
	Options	Price		Term			($000)	Options	Price		Options	Price
Outstanding at beginning of year	6,816	$	14.78	0.1	years	$	11.8	16,633	$	14.62	57,653	$	14.74
Granted	—		—					—		—	—		—
Exercised	(3,848)		14.78					(9,817)		14.52	(41,020)		14.78
Cancelled	(2,968)		14.78					—		—	—		—
Outstanding at end of year	—	$	—					6,816		14.78	16,633		14.62
Exercisable at December 31, 2023	—	$	—	—	years	$	—
Exercisable at December 31, 2022	6,816	$	14.78	0.1	years	$	11.8

Schedule of restricted stock activity

			Weighted-Average
			Grant-Date Fair
	Number of RSUs		Value
Non-vested RSUs outstanding at December 31, 2020	237,977	$	54.15
Granted	44,770		44.87
Vested	(69,184)		53.41
Cancelled	(13,390)		52.28
Non-vested RSUs outstanding at December 31, 2021	200,173	$	52.45
Granted	66,680		32.86
Vested	(86,534)		48.69
Cancelled	(20,297)		44.91
Non-vested RSUs outstanding at December 31, 2022	160,022	$	47.28
Granted	127,348		18.77
Vested	(65,283)		61.45
Cancelled	(19,175)		28.11
Non-vested RSUs outstanding at December 31, 2023	202,912	$	26.64

Schedule of warrant issued under the payroll support programs and secured loan facility

	Number of Warrants	Exercise Price		Weighted Average Grant-Date Fair Value
PSP1	370,720	$	28.38	$	13.57
Secured Loan	211,416	$	28.38	$	15.22
PSP2	124,773	$	40.41	$	32.52
PSP3	78,317	$	57.47	$	22.31
Total	785,226

Performance Share Units (PSUs)

Schedule of non-vested stock options

			Weighted-Average
			Grant-Date Fair
	Number of PSUs		Value
Non-vested PSUs outstanding at December 31, 2020	196,609	$	54.17
Granted	157,210		44.87
PSUs forfeited from the 2018 grant due to performance	(11,392)		53.41
Vested	(45,644)		53.41
Cancelled	(3,991)		53.30
Non-vested PSUs outstanding at December 31, 2021	292,792	$	49.39
Granted	225,345		32.73
PSUs forfeited from the 2019 grant due to performance	(45,695)		48.87
Vested	(30,480)		48.87
Cancelled	(13,032)		41.81
Non-vested PSUs outstanding at December 31, 2022	428,930	$	40.96
Granted	391,810		18.65
PSUs forfeited from the 2020 grant due to performance	(35,328)		61.45
Vested	(23,528)		61.45
Cancelled	(2,154)		48.07
Non-vested PSUs outstanding at December 31, 2023	759,730	$	27.85