Business Segments (Reconciliation of Segment Results to Consolidated Loss Before Income Taxes) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Segment Reporting [Abstract]
Income (loss) from construction operations	$ 40,493	$ 2,388	$ 89,299	$ (79,557)
Other income, net	5,838	3,058	11,149	9,475
Interest expense	(23,084)	(22,016)	(42,391)	(43,529)
Income (loss) before income taxes	$ 23,247	$ (16,570)	$ 58,057	$ (113,611)