Business segment data operating assets reconciliation (Details 3) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	$ 9,660,781	$ 8,910,435	$ 8,053,372
Operating Segments
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	9,491,679	8,717,563	7,816,848
Corporate, Non-Segment
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	1,353,614	1,184,956	947,740
Intersegment Eliminations
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	$ (1,184,512)	$ (992,084)	$ (711,216)