Financial Instruments - Schedule of Fair Value Measurements, Recurring and Nonrecurring (Details) - Fair Value, Recurring - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Interest rate and fuel option contracts
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Current and long-term assets:	$ 110	$ 52
Interest rate and fuel option contracts \| Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Current and long-term assets:	0	0
Interest rate and fuel option contracts \| Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Current and long-term assets:	110	52
Interest rate and fuel option contracts \| Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Current and long-term assets:	0	0
Derivative in subordinated notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term liabilities:	5,710	6,132
Derivative in subordinated notes \| Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term liabilities:	0	0
Derivative in subordinated notes \| Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term liabilities:	0	0
Derivative in subordinated notes \| Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term liabilities:	$ 5,710	$ 6,132

AKUMIN INC. 10-Q