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10. Junior Subordinated Debentures (Details) (USD $)
Jun. 30, 2013
Mar. 31, 2013
Details    
Deferred interest payments related to debentures $ 3,400,000 $ 3,300,000
Debentures issued to grantor trusts 22,700,000 22,700,000
Common securities issued by grantor trusts $ 681 $ 681,000