Income and Partnership Taxes -Schedule of Valuation Allowance (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Ending Valuation Allowance	$ 32,100
State and local
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Ending Valuation Allowance	10,300
Valuation allowance
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Beginning Valuation Allowance	24,228	$ 24,374	$ 9,755
Ending Valuation Allowance	32,143	24,228	24,374
Valuation allowance | CANADA
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Change in Canadian Capital Loss Carryforward Allowance	(189)	156	(2,437)
Valuation allowance | Other State
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Change in Other State Deferred Tax Asset Allowance	108	405	571
Valuation allowance | Foreign
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Change in Foreign Tax Credit Carryforward Allowance	(6,524)	(3,075)	(6,807)
Valuation allowance | State and local
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Change in State Net Operating Loss Carryforward Allowance	$ (1,310)	$ 2,660	$ (5,946)