Income Taxes (Significant Components of Deferred Tax Assets and Liabilities) (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Deferred tax assets:
Timing of expense recognition	$ 49,939	$ 28,710
Net operating losses	82,210	15,824
Goodwill	6,022	11,698
Other, net	24,105	13,125
Deferred tax assets	162,276	69,357
Valuation allowance	(8,846)	0
Net deferred tax assets	153,430	69,357
Deferred tax liabilities:
Intangible assets, due primarily to purchase accounting	(16,850)	(16,453)
Fixed assets	(66,130)	(70,128)
Construction contract accounting	(7,940)	(9,196)
Joint ventures	(32,983)	(26,764)
Other	(18,266)	(15,672)
Deferred tax liabilities	(142,169)	(138,213)
Net deferred tax assets	11,261
Net deferred tax liabilities		(68,856)
Net Deferred Tax Liabilities
Deferred tax assets	15,910	2,133
Deferred tax liabilities	(4,649)	(70,989)
Net deferred tax assets	$ 11,261
Net deferred tax liabilities		$ (68,856)