Quarterly report pursuant to Section 13 or 15(d)

Debt Obligations (Details)

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Debt Obligations (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Jun. 30, 2012
Information on credit facility borrowings  
Maximum amount outstanding during the period $ 106,500
Average daily credit facility borrowings $ 50,594
Weighted average interest rate 3.50%