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Subsequent Event | 12 Months Ended
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Dec. 31, 2014
Subsequent Events [Abstract] |
Subsequent Event | 20. Subsequent Event On January 26, 2015, the Company announced an agreement to acquire a majority interest in ETF Issuer Solutions (“ETFis”), a New York City-based company that operates a platform for listing, operating, and distributing exchange-traded funds. The transaction is expected to close in March 2015. On February 18, 2015, the Company declared a quarterly cash dividend of $0.45 per common share to be paid on May 13, 2015 to shareholders of record at the close of business on April 30, 2015.

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- Definition 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. + References No definition available. + Details
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