Fair Value Measurements - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Term deposits	$ 18	$ 18
Total assets	18	18
Interest rate swaps	445	1,097
Total liabilities	445	1,097
Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Term deposits	18	18
Total assets	18	18
Interest rate swaps	0	0
Total liabilities	0	0
Significant Other Observable Inputs (Level 2)
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Term deposits	0	0
Total assets	0	0
Interest rate swaps	445	1,097
Total liabilities	445	1,097
Significant Unobservable Inputs (Level 3)
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Term deposits	0	0
Total assets	0	0
Interest rate swaps	0	0
Total liabilities	$ 0	$ 0