CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)	Dec. 31, 2014	Dec. 31, 2013
Treasury stock, common shares	352,161us-gaap_TreasuryStockShares	352,161us-gaap_TreasuryStockShares
Common Stock
Common Stock, par value (usd per share)	1	1
Common stock, shares authorized	50,000,000	50,000,000
Common Stock, shares issued	23,307,909	21,803,179
Common Stock, shares outstanding	22,955,748	21,451,018
Class B Common Stock
Common Stock, par value (usd per share)	1	1
Common stock, shares authorized	1,500,000	1,500,000
Common Stock, shares issued	1,050,012	1,050,012
Common Stock, shares outstanding	1,050,012	1,050,012

Face amount or stated value per share of common stock.

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