Equity and Noncontrolling Interest - Narrative (Details) (USD $)	3 Months Ended	12 Months Ended
	Jun. 30, 2011	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Equity [Abstract]
Common Stock Shares Authorized		30,000,000	30,000,000
Common Stock Par Value		$ 1.00	$ 1.00
Common Stock Shares, Issued		13,196,140	13,094,901
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
Public Offering Dollar Amount Securities					$ 100,000
Shares Issued	1,265,000
Proceeds from Issuance of Common Stock	$ 51,233,000	$ 0	$ 0	$ 48,143,000
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%