v2.4.0.8

Stockholders' Equity (Details) (USD $) | 0 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 03, 2012 | Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |  |  |
Decrease in net income due to adjustments to redeemable non-controlling interest |  | $ (1,976,000) |  |
Stock Split | three-for-one |  |  |
Common stock, shares authorized | 23,500,000 | 70,500,000 | 70,500,000 |
Preferred stock, shares authorized | 5,000,000 | 15,000,000 | 15,000,000 |
Cash dividend declared (in dollars per share) |  |  | $ 7.00 |
Cash dividend declared |  |  | 91,629,000 |
Cash dividend declared date |  |  | Dec. 10, 2012 |
Cash dividend paid date |  |  | Dec. 28, 2012 |
Cash dividend record date |  |  | Dec. 20, 2012 |
Dividend on restricted shares forfeited |  | $ 34,000 |  |
Reconciliation of basic to diluted weighted average common shares outstanding |  |  |  |
Weighted average number of common shares outstanding - basic (in shares) |  | 38,923,206 | 38,594,286 | 37,999,422
Dilutive effect of: |  |  |  |
Common stock options (in shares) |  | 217,082 | 398,452 | 453,054
Unvested restricted stock (in shares) |  | 70,104 | 51,730 | 30,309
Weighted average number of common shares outstanding - diluted (in shares) |  | 39,210,392 | 39,044,468 | 38,482,785
Common stock options |  |  |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |  |  |
Antidilutive securities excluded from computation of diluted income per share (in shares) |  | 55,000 |  |

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