Note 9. Segment Information (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
Sep. 30, 2013
Segment Reporting [Abstract]
Number of Reportable Segments	2
Stock Granted, Value, Share-based Compensation, Forfeited (in Dollars)	$ 289

Value of forfeitures of stock or other type of equity granted of any equity-based compensation plan other than an employee stock ownership plan (ESOP).

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph c(2)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

Name:	us-gaap_StockGrantedDuringPeriodValueSharebasedCompensationForfeited
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration