Contingencies and Commitments - Additional Information (Detail) (Forecast, USD $)	3 Months Ended
	Jun. 30, 2014
Loss Contingencies [Line Items]
Monthly dividend declared (in dollars per share)	$ 0.005
Class A and C shareholders
Loss Contingencies [Line Items]
Amount of cash dividends to be paid to class A and class C shareholders	$ 232,000