Other Intangible Assets - Other Intangible Assets (Detail) (USD $)	12 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Finite-Lived Intangible Assets [Line Items]
Life	5 years
Cost	$ 8,901,000	$ 8,901,000
Amortization Expense	457,000	470,000
Accumulated Amortization	4,165,000	3,708,000
Cost, Net of Accumulated Amortization	4,736,000	5,193,000
Covenants Not to Compete [Member]
Finite-Lived Intangible Assets [Line Items]
Life	5 years	5 years
Cost	775,000	775,000
Amortization Expense	20,000	34,000
Accumulated Amortization	762,000	742,000
Cost, Net of Accumulated Amortization	13,000	33,000
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Cost	7,922,000	7,922,000
Amortization Expense	423,000	422,000
Accumulated Amortization	3,299,000	2,876,000
Cost, Net of Accumulated Amortization	4,623,000	5,046,000
Customer Relationships [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Life	18 years	18 years
Customer Relationships [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Life	20 years	20 years
TPA Licenses [Member]
Finite-Lived Intangible Assets [Line Items]
Life	15 years	15 years
Cost	204,000	204,000
Amortization Expense	14,000	14,000
Accumulated Amortization	104,000	90,000
Cost, Net of Accumulated Amortization	$ 100,000	$ 114,000