Consolidated Balance Sheets (Parenthetical) (USD $)	Dec. 31, 2014	Dec. 31, 2013
Consolidated Balance Sheets
Common stock, par value (in dollars per share)	$ 1	$ 1
Common stock, Authorized shares	1,250,000us-gaap_CommonStockSharesAuthorized	1,250,000us-gaap_CommonStockSharesAuthorized
Common stock, issued shares	1,170,550us-gaap_CommonStockSharesIssued	1,188,955us-gaap_CommonStockSharesIssued
Common stock, outstanding shares	1,170,550us-gaap_CommonStockSharesOutstanding	1,188,955us-gaap_CommonStockSharesOutstanding

Face amount or stated value per share of common stock.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

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-Name Accounting Standards Codification

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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Reference 4: http://www.xbrl.org/2003/role/presentationRef

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