Liquidating Distributions (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Schedule of liquidating distributions
Distributions during the period	$ 10,432
Less: Liquidating distributions payable at March 31, 2013	(16,555)
Add: Liquidating distributions payable at June 30, 2013	25,046
Total liquidating distributions	$ 18,923	$ 19,842