Equity and Noncontrolling Interest - Narrative (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Equity [Abstract]
Common Stock Shares Authorized	30,000,000	30,000,000
Common Stock Par Value	1.00	1.00
Common Stock Shares, Issued	13,300,891	13,196,140
Shares issued for equity based comp plans	80,012
Shares issued for ESPP	6,367
Shares issued for Options exercise and Other activity	18,372
Common Stock Voting Rights	Holders of record of the Company’s common stock for a period of less than 36 consecutive calendar months or less are entitled to one vote per share of common stock. Holders of record of the Company’s common stock for a period greater than 36 consecutive calendar months are entitled to 10 votes per share of common stock.
Preferred Stock Shares Authorized	10,000,000
Preferred Stock Par Or Stated Value Per Share	1.00
Cost of Sales [Member]
Concentration Risk [Line Items]
Concentration Risk, Percentage	30.00%	30.00%	30.00%
Operating Expense [Member]
Concentration Risk [Line Items]
Concentration Risk, Percentage	70.00%	70.00%	70.00%