Summary of Significant Accounting Policies - Fair Value Measurements (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Assets
Money market funds	$ 149,397	$ 147,478
Interest rate swap assets	6,374	5,624
Total assets	155,771	153,102
Liabilities
Contingent liabilities	44,982	54,457
Total liabilities	44,982	54,457
LEVEL 1
Assets
Money market funds	149,397	147,478
Interest rate swap assets	0	0
Total assets	149,397	147,478
Liabilities
Contingent liabilities	0	0
Total liabilities	0	0
LEVEL2
Assets
Money market funds	0	0
Interest rate swap assets	6,374	5,624
Total assets	6,374	5,624
Liabilities
Contingent liabilities	0	0
Total liabilities	0	0
LEVEL 3
Assets
Money market funds	0	0
Interest rate swap assets	0	0
Total assets	0	0
Liabilities
Contingent liabilities	44,982	54,457
Total liabilities	$ 44,982	$ 54,457