Equity Compensation - Compensation Expense Information Based on Fair Value of Stock Options and RSU's (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
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| Share-based Payment Arrangement [Abstract] | |||
| Equity-based Compensation Expense | $ 3,843 | $ 3,098 | $ 2,598 |
| Tax Benefit | (452) | (179) | (140) |
| Equity-based Compensation Expense, Net of Tax | $ 3,391 | $ 2,919 | $ 2,458 |
| X | ||||||||||
- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount, after tax, of expense for award under share-based payment arrangement. No definition available.
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount of tax benefit for recognition of expense of award under share-based payment arrangement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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