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Land and Development (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Real Estate Properties [Line Items]
Revenues	$ 105,588	$ 96,415	$ 218,848	$ 269,875
Impairment of assets	0	4,783	1,785	6,491
Land development revenue
Real Estate Properties [Line Items]
Revenues	32,318	15,577	64,567	95,752
Cost of sales expense	$ 30,803	$ 16,287	$ 60,126	93,346
Impairment of assets				$ 1,500

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Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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