Other Intangible Assets (Details) (USD $)	6 Months Ended
	Sep. 30, 2012	Mar. 31, 2012
Other intangible assets
Life	5 years
Cost	$ 8,901,000
Amortization Expense	247,000
Accumulated Amortization	3,003,000
Cost, Net of Accumulated Amortization	5,898,000	6,146,000
Covenants Not to Compete [Member]
Other intangible assets
Cost	775,000
Amortization Expense	29,000
Accumulated Amortization	690,000
Cost, Net of Accumulated Amortization	85,000
Covenants Not to Compete [Member] | Minimum [Member]
Other intangible assets
Life	5 years
Customer Relationships [Member]
Other intangible assets
Cost	7,922,000
Amortization Expense	211,000
Accumulated Amortization	2,243,000
Cost, Net of Accumulated Amortization	5,679,000
Customer Relationships [Member] | Maximum [Member]
Other intangible assets
Life	20 years
Customer Relationships [Member] | Minimum [Member]
Other intangible assets
Life	18 years
TPA Licenses [Member]
Other intangible assets
Cost	204,000
Amortization Expense	7,000
Accumulated Amortization	70,000
Cost, Net of Accumulated Amortization	$ 134,000
TPA Licenses [Member] | Minimum [Member]
Other intangible assets
Life	15 years