Contract Assets - Contract Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Contract Asset
Contract assets	$ 83,060	$ 83,060
Less accumulated amortization	(9,672)	(8,405)
Total contract assets	73,388	74,655
Less current contract assets	(7,019)	(5,836)
Long-term contract assets	$ 66,369	$ 68,820