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Shareholders' Equity (Stock-Based Compensation Expense) (Details) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2020 | Mar. 31, 2019
Stockholders' Equity Note [Abstract] |  |
Stock-based compensation expense | $ 6,929 | $ 5,038
Less: Deferred tax benefit | (1,381) | (946)
Stock-based compensation expense, net of tax | $ 5,548 | $ 4,092

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- Definition Amount of tax benefit for recognition of expense of award under share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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