Investments and other assets - Components of Investments and Other Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Investments, All Other Investments [Abstract]
Cash value life insurance	$ 51,706	$ 50,865
Equity method investments	16,520	16,195
Other equity investments	22,454	19,526
Deferred debt issuance costs	7,274
Prepaid assets	8,851	9,878
Other long-term assets	22,583	17,057
Total	$ 129,388	$ 113,521