Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Real estate development	$ 275,088	$ 267,336
Common stock, par value per share (in dollars per share)	$ 0.50	$ 0.50
Common stock, authorized shares (in shares)	30,000,000	30,000,000
Common stock, issued shares (in shares)	25,952,943	25,894,773
Common stock, outstanding shares (in shares)	25,952,943	25,894,773
Centennial
Real estate development	$ 96,372	$ 94,271

Face amount or stated value per share of common stock.

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Carrying amount as of the balance sheet date, net of valuation allowances and impairment losses, of costs of land expected to be developed in the near term plus capitalized costs of development, for purposes of selling completed units to home buyers or commercial or industrial entities..

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