Subsequent Events (Details) (Acquisition of Plant [Member], USD $) In Millions, unless otherwise specified	May 01, 2012	Mar. 31, 2012 bu
Acquisition of Plant [Member]
Subsequent Events (Textual) [Abstract]
Purchase price of stock	$ 68.0
Number of bushel grain terminal		2,700,000
Controlling interest of TADE		85.00%

The total cost of the acquired entity including the cash paid to shareholders of acquired entities, fair value of debt and equity securities issued to shareholders of acquired entities, the fair value of the liabilities assumed, and direct costs of the acquisition.

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141

-Paragraph 51

-Subparagraph d

Name:	us-gaap_BusinessAcquisitionCostOfAcquiredEntityPurchasePrice
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant