Other Assets (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Mar. 31, 2013
Other Assets [Abstract]
Deposits (debt-related)	$ 33,139	$ 41,153
Cash surrender value of life insurance policies	30,934	30,769
Excess of loss reinsurance recoverable	15,000	15,000
Deferred charges	9,047	8,661
Other	9,468	4,403
Other assets, total	$ 97,588	$ 99,986