Income Taxes - Operating Loss Carryforward Expirations (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2018
Operating Loss Carryforwards [Line Items]
Total	$ 78,339
Canada
Operating Loss Carryforwards [Line Items]
Expiring noncapital loss carryforwards	59,628
Capital loss carryforwards		$ 104,184
U.S.
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards		2,686
Expiring net operating loss carryforwards	15,715
Mexico
Operating Loss Carryforwards [Line Items]
Expiring net operating loss carryforwards	2,949
Barbados
Operating Loss Carryforwards [Line Items]
Expiring net operating loss carryforwards	47
Australia
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards		$ 63,795
Tax Year 2021
Operating Loss Carryforwards [Line Items]
Total	4
Tax Year 2021 | Canada
Operating Loss Carryforwards [Line Items]
Expiring noncapital loss carryforwards	0
Tax Year 2021 | U.S.
Operating Loss Carryforwards [Line Items]
Expiring net operating loss carryforwards	0
Tax Year 2021 | Mexico
Operating Loss Carryforwards [Line Items]
Expiring net operating loss carryforwards	0
Tax Year 2021 | Barbados
Operating Loss Carryforwards [Line Items]
Expiring net operating loss carryforwards	4
Tax Year 2022
Operating Loss Carryforwards [Line Items]
Total	1,608
Tax Year 2022 | Canada
Operating Loss Carryforwards [Line Items]
Expiring noncapital loss carryforwards	0
Tax Year 2022 | U.S.
Operating Loss Carryforwards [Line Items]
Expiring net operating loss carryforwards	0
Tax Year 2022 | Mexico
Operating Loss Carryforwards [Line Items]
Expiring net operating loss carryforwards	1,602
Tax Year 2022 | Barbados
Operating Loss Carryforwards [Line Items]
Expiring net operating loss carryforwards	6
Tax Year 2023
Operating Loss Carryforwards [Line Items]
Total	379
Tax Year 2023 | Canada
Operating Loss Carryforwards [Line Items]
Expiring noncapital loss carryforwards	0
Tax Year 2023 | U.S.
Operating Loss Carryforwards [Line Items]
Expiring net operating loss carryforwards	0
Tax Year 2023 | Mexico
Operating Loss Carryforwards [Line Items]
Expiring net operating loss carryforwards	373
Tax Year 2023 | Barbados
Operating Loss Carryforwards [Line Items]
Expiring net operating loss carryforwards	6
Tax Year 2024
Operating Loss Carryforwards [Line Items]
Total	6
Tax Year 2024 | Canada
Operating Loss Carryforwards [Line Items]
Expiring noncapital loss carryforwards	0
Tax Year 2024 | U.S.
Operating Loss Carryforwards [Line Items]
Expiring net operating loss carryforwards	0
Tax Year 2024 | Mexico
Operating Loss Carryforwards [Line Items]
Expiring net operating loss carryforwards	0
Tax Year 2024 | Barbados
Operating Loss Carryforwards [Line Items]
Expiring net operating loss carryforwards	6
Tax Year 2025
Operating Loss Carryforwards [Line Items]
Total	86
Tax Year 2025 | Canada
Operating Loss Carryforwards [Line Items]
Expiring noncapital loss carryforwards	0
Tax Year 2025 | U.S.
Operating Loss Carryforwards [Line Items]
Expiring net operating loss carryforwards	0
Tax Year 2025 | Mexico
Operating Loss Carryforwards [Line Items]
Expiring net operating loss carryforwards	80
Tax Year 2025 | Barbados
Operating Loss Carryforwards [Line Items]
Expiring net operating loss carryforwards	6
Tax Year 2026
Operating Loss Carryforwards [Line Items]
Total	1,854
Tax Year 2026 | Canada
Operating Loss Carryforwards [Line Items]
Expiring noncapital loss carryforwards	1,027
Tax Year 2026 | U.S.
Operating Loss Carryforwards [Line Items]
Expiring net operating loss carryforwards	0
Tax Year 2026 | Mexico
Operating Loss Carryforwards [Line Items]
Expiring net operating loss carryforwards	822
Tax Year 2026 | Barbados
Operating Loss Carryforwards [Line Items]
Expiring net operating loss carryforwards	5
Tax Year 2027
Operating Loss Carryforwards [Line Items]
Total	854
Tax Year 2027 | Canada
Operating Loss Carryforwards [Line Items]
Expiring noncapital loss carryforwards	847
Tax Year 2027 | U.S.
Operating Loss Carryforwards [Line Items]
Expiring net operating loss carryforwards	0
Tax Year 2027 | Mexico
Operating Loss Carryforwards [Line Items]
Expiring net operating loss carryforwards	0
Tax Year 2027 | Barbados
Operating Loss Carryforwards [Line Items]
Expiring net operating loss carryforwards	7
Tax Year 2028
Operating Loss Carryforwards [Line Items]
Total	5,252
Tax Year 2028 | Canada
Operating Loss Carryforwards [Line Items]
Expiring noncapital loss carryforwards	5,245
Tax Year 2028 | U.S.
Operating Loss Carryforwards [Line Items]
Expiring net operating loss carryforwards	0
Tax Year 2028 | Mexico
Operating Loss Carryforwards [Line Items]
Expiring net operating loss carryforwards	0
Tax Year 2028 | Barbados
Operating Loss Carryforwards [Line Items]
Expiring net operating loss carryforwards	7
Tax Year 2029
Operating Loss Carryforwards [Line Items]
Total	4,022
Tax Year 2029 | Canada
Operating Loss Carryforwards [Line Items]
Expiring noncapital loss carryforwards	4,022
Tax Year 2029 | U.S.
Operating Loss Carryforwards [Line Items]
Expiring net operating loss carryforwards	0
Tax Year 2029 | Mexico
Operating Loss Carryforwards [Line Items]
Expiring net operating loss carryforwards	0
Tax Year 2029 | Barbados
Operating Loss Carryforwards [Line Items]
Expiring net operating loss carryforwards	0
Tax Year 2030
Operating Loss Carryforwards [Line Items]
Total	6,780
Tax Year 2030 | Canada
Operating Loss Carryforwards [Line Items]
Expiring noncapital loss carryforwards	5,032
Tax Year 2030 | U.S.
Operating Loss Carryforwards [Line Items]
Expiring net operating loss carryforwards	1,748
Tax Year 2030 | Mexico
Operating Loss Carryforwards [Line Items]
Expiring net operating loss carryforwards	0
Tax Year 2030 | Barbados
Operating Loss Carryforwards [Line Items]
Expiring net operating loss carryforwards	0
Tax Year 2031
Operating Loss Carryforwards [Line Items]
Total	7,285
Tax Year 2031 | Canada
Operating Loss Carryforwards [Line Items]
Expiring noncapital loss carryforwards	3,806
Tax Year 2031 | U.S.
Operating Loss Carryforwards [Line Items]
Expiring net operating loss carryforwards	3,407
Tax Year 2031 | Mexico
Operating Loss Carryforwards [Line Items]
Expiring net operating loss carryforwards	72
Tax Year 2031 | Barbados
Operating Loss Carryforwards [Line Items]
Expiring net operating loss carryforwards	0
Tax Year 2032
Operating Loss Carryforwards [Line Items]
Total	8,720
Tax Year 2032 | Canada
Operating Loss Carryforwards [Line Items]
Expiring noncapital loss carryforwards	6,397
Tax Year 2032 | U.S.
Operating Loss Carryforwards [Line Items]
Expiring net operating loss carryforwards	2,323
Tax Year 2032 | Mexico
Operating Loss Carryforwards [Line Items]
Expiring net operating loss carryforwards	0
Tax Year 2032 | Barbados
Operating Loss Carryforwards [Line Items]
Expiring net operating loss carryforwards	0
Tax Year 2033
Operating Loss Carryforwards [Line Items]
Total	9,283
Tax Year 2033 | Canada
Operating Loss Carryforwards [Line Items]
Expiring noncapital loss carryforwards	6,185
Tax Year 2033 | U.S.
Operating Loss Carryforwards [Line Items]
Expiring net operating loss carryforwards	3,098
Tax Year 2033 | Mexico
Operating Loss Carryforwards [Line Items]
Expiring net operating loss carryforwards	0
Tax Year 2033 | Barbados
Operating Loss Carryforwards [Line Items]
Expiring net operating loss carryforwards	0
Tax Year 2034
Operating Loss Carryforwards [Line Items]
Total	4,420
Tax Year 2034 | Canada
Operating Loss Carryforwards [Line Items]
Expiring noncapital loss carryforwards	4,420
Tax Year 2034 | U.S.
Operating Loss Carryforwards [Line Items]
Expiring net operating loss carryforwards	0
Tax Year 2034 | Mexico
Operating Loss Carryforwards [Line Items]
Expiring net operating loss carryforwards	0
Tax Year 2034 | Barbados
Operating Loss Carryforwards [Line Items]
Expiring net operating loss carryforwards	0
Tax year 2035
Operating Loss Carryforwards [Line Items]
Total	3,731
Tax year 2035 | Canada
Operating Loss Carryforwards [Line Items]
Expiring noncapital loss carryforwards	3,729
Tax year 2035 | U.S.
Operating Loss Carryforwards [Line Items]
Expiring net operating loss carryforwards	2
Tax year 2035 | Mexico
Operating Loss Carryforwards [Line Items]
Expiring net operating loss carryforwards	0
Tax year 2035 | Barbados
Operating Loss Carryforwards [Line Items]
Expiring net operating loss carryforwards	0
Tax Year 2036
Operating Loss Carryforwards [Line Items]
Total	5,454
Tax Year 2036 | Canada
Operating Loss Carryforwards [Line Items]
Expiring noncapital loss carryforwards	2,799
Tax Year 2036 | U.S.
Operating Loss Carryforwards [Line Items]
Expiring net operating loss carryforwards	2,655
Tax Year 2036 | Mexico
Operating Loss Carryforwards [Line Items]
Expiring net operating loss carryforwards	0
Tax Year 2036 | Barbados
Operating Loss Carryforwards [Line Items]
Expiring net operating loss carryforwards	0
Tax Year 2037
Operating Loss Carryforwards [Line Items]
Total	4,398
Tax Year 2037 | Canada
Operating Loss Carryforwards [Line Items]
Expiring noncapital loss carryforwards	1,916
Tax Year 2037 | U.S.
Operating Loss Carryforwards [Line Items]
Expiring net operating loss carryforwards	2,482
Tax Year 2037 | Mexico
Operating Loss Carryforwards [Line Items]
Expiring net operating loss carryforwards	0
Tax Year 2037 | Barbados
Operating Loss Carryforwards [Line Items]
Expiring net operating loss carryforwards	0
Tax Year 2038
Operating Loss Carryforwards [Line Items]
Total	2,666
Tax Year 2038 | Canada
Operating Loss Carryforwards [Line Items]
Expiring noncapital loss carryforwards	2,666
Tax Year 2038 | U.S.
Operating Loss Carryforwards [Line Items]
Expiring net operating loss carryforwards	0
Tax Year 2038 | Mexico
Operating Loss Carryforwards [Line Items]
Expiring net operating loss carryforwards	0
Tax Year 2038 | Barbados
Operating Loss Carryforwards [Line Items]
Expiring net operating loss carryforwards	0
Tax Year 2039
Operating Loss Carryforwards [Line Items]
Total	3,338
Tax Year 2039 | Canada
Operating Loss Carryforwards [Line Items]
Expiring noncapital loss carryforwards	3,338
Tax Year 2039 | U.S.
Operating Loss Carryforwards [Line Items]
Expiring net operating loss carryforwards	0
Tax Year 2039 | Mexico
Operating Loss Carryforwards [Line Items]
Expiring net operating loss carryforwards	0
Tax Year 2039 | Barbados
Operating Loss Carryforwards [Line Items]
Expiring net operating loss carryforwards	0
Tax Year 2040
Operating Loss Carryforwards [Line Items]
Total	2,829
Tax Year 2040 | Canada
Operating Loss Carryforwards [Line Items]
Expiring noncapital loss carryforwards	2,829
Tax Year 2040 | U.S.
Operating Loss Carryforwards [Line Items]
Expiring net operating loss carryforwards	0
Tax Year 2040 | Mexico
Operating Loss Carryforwards [Line Items]
Expiring net operating loss carryforwards	0
Tax Year 2040 | Barbados
Operating Loss Carryforwards [Line Items]
Expiring net operating loss carryforwards	0
Tax Year 2041
Operating Loss Carryforwards [Line Items]
Total	5,370
Tax Year 2041 | Canada
Operating Loss Carryforwards [Line Items]
Expiring noncapital loss carryforwards	5,370
Tax Year 2041 | U.S.
Operating Loss Carryforwards [Line Items]
Expiring net operating loss carryforwards	0
Tax Year 2041 | Mexico
Operating Loss Carryforwards [Line Items]
Expiring net operating loss carryforwards	0
Tax Year 2041 | Barbados
Operating Loss Carryforwards [Line Items]
Expiring net operating loss carryforwards	$ 0