Annual report pursuant to Section 13 and 15(d)

Related-Party Transactions (Details)

v3.7.0.1
Related-Party Transactions (Details) - USD ($)
12 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Mar. 31, 2015
Apr. 01, 2015
SUMAC Former Principal [Member]        
Related Party Transaction [Line Items]        
Ownership percentage by noncontrolling owners       25.00%
CHS Transactions        
Related Party Transaction [Line Items]        
Potential expenses from indemnity fund     $ 3,589,000  
Consideration received to settle the CHS Transactions     1,700,000  
Settlement payments received from related parties     1,133,000  
Non-cash Reduction of Related Party Liability     567,000  
Gain on settlement of related party transactions $ 0 $ 0 $ 931,000