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Employee Benefit Plans (Tables) | 12 Months Ended
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Dec. 31, 2019
Retirement Benefits [Abstract] |
Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity | Summary of unvested RSUs under the Company’s share-based compensation plans for 2019, 2018, and 2017:
| Year Ended December 31, |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 2019 |  |  |  | 2018 |  |  |  | 2017 |  |  |  |  |  |  |  |  |
| Units |  | Weighted Average Grant-Date Fair Value |  | Units |  | Weighted Average Grant-Date Fair Value |  | Units |  | Weighted Average Grant-Date Fair Value |  |  |  |  |  |  |
Unvested balance at beginning of year | 329,205 |  |  | $ | 25.42 |  |  | 368,492 |  |  | $ | 17.20 |  |  | 527,486 |  |  | $ | 10.17 |  |  |  |  |  |  |  |
Granted | 45,993 |  |  | 77.78 |  |  | 42,136 |  |  | 78.37 |  |  | 47,514 |  |  | 42.93 |  |  |  |  |  |  |  |
Forfeited | (22,934) |  |  | 57.27 |  |  | (1,080) |  |  | 28.30 |  |  | (3,508) |  |  | 25.74 |  |  |  |  |  |  |  |
Vested | (235,409) |  |  | 12.54 |  |  | (80,343) |  |  | 15.42 |  |  | (203,000) |  |  | 4.82 |  |  |  |  |  |  |  |
Unvested balance at end of year | 116,855 |  |  | $ | 65.73 |  |  | 329,205 |  |  | $ | 25.42 |  |  | 368,492 |  |  | $ | 17.20 |  |  |  |  |  |  |  |

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- Definition Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year. + References No definition available. + Details
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