Restructuring Charges - By segment (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Restructuring charges
Restructuring charges		$ 1,047
Organizational Restructuring
Restructuring charges
Restructuring charges	$ 0	1,047
Expected additional restructuring charges	$ 100
Corporate
Restructuring charges
Restructuring charges		844
Corporate | Organizational Restructuring
Restructuring charges
Restructuring charges		844
Contract operations | Operating
Restructuring charges
Restructuring charges		203
Contract operations | Operating | Organizational Restructuring
Restructuring charges
Restructuring charges		$ 203