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Subsequent Events	3 Months Ended
	Mar. 31, 2013
Subsequent Events [Abstract]
Subsequent Events	Subsequent Events On May 1, 2013, the Company completed an initial public offering of its common shares, pursuant to which it sold 6,450,000 shares to the public at a price of $20.00 per share. Concurrent with the initial public offering, the Company completed a private placement with its initial shareholders which resulted in gross proceeds to the Company of $21.0 million. In connection with the private placement, 1,050,000 shares were issued, also at a price of $20.00 per share. No further capital commitments from the initial shareholders remain as a result of this private placement. Total gross proceeds from the initial public offering and concurrent private placement were $150 million. Proceeds, net of offering costs, were approximately $148.5 million.

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The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

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