Summary of Significant Accounting Policies - Basis of Presentation (Details) - $ / shares	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	May 11, 2020
Teekay Tankers
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Noncontrolling Interest, Ownership Percentage by Parent	28.50%	29.80%
Seapeak
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Noncontrolling Interest, Ownership Percentage by Parent	0.00%	42.40%	42.00%
General Partner of Seapeak
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Noncontrolling Interest, Ownership Percentage by Parent	100.00%
Teekay Tankers
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Common Stock, Voting Rights, Votes Per Share Owned	$ 5
Common Class B | Teekay Tankers
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Common Stock Maximum Voting Power	49.00%