Quarterly report pursuant to Section 13 or 15(d)

Debt Obligations - Information on Credit Facility Borrowings (Detail)

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Debt Obligations - Information on Credit Facility Borrowings (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Jun. 30, 2014
Line Of Credit Facility [Abstract]  
Maximum amount outstanding during the period $ 83,410
Average daily amount outstanding under the credit facility $ 23,940
Weighted-average interest rate 2.67%