v2.4.0.8

Condensed Financial Information Of Registrant Condensed Balance Sheets (Parenthetical) (Details) (USD $) In Thousands, except Share data, unless otherwise specified | Dec. 31, 2013 | Dec. 31, 2012
--- | --- | ---
Common stock, par value | $ 0.001 | $ 0.001
Common stock, shares authorized | 100,000,000 | 100,000,000
Common Stock, Shares, Issued | 58,673,215 | 55,339,160
Common Stock, Shares, Outstanding | 55,319,239 | 52,329,248
Treasury Stock, Shares | 3,353,976 | 3,009,912
Parent Company [Member] |  |
Short-term investments, Amortized cost | $ 6,500 | $ 0
Long-term investments, Amortized cost | $ 1,356 | $ 4,164
Common stock, par value | $ 0.001 | $ 0.001
Common stock, shares authorized | 100,000,000 | 100,000,000
Common Stock, Shares, Issued | 55,339,160 | 53,586,726
Common Stock, Shares, Outstanding | 52,329,248 | 50,864,618
Treasury Stock, Shares | 3,009,912 | 2,722,108

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