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Income Taxes - Deferred Portion of Tax Provision (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Income Tax Disclosure [Abstract] |  |  |
Accrued expenses, deducted for tax when paid | $ (17,797) | $ (21,884) | $ 15,213
Capitalized costs for books, deducted for tax | 3,246 | (4,832) | (5,790)
Depreciation | 3,526 | 10,071 | (4,079)
Tax effects of TCJA | 0 | 0 | 34,633
Other, net | 2,153 | 766 | 1,835
Deferred portion of the tax provision (benefit) | $ (8,872) | $ (15,879) | $ 41,812

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- Definition Deferred tax assets capitalized costs for books, deducted for tax + References No definition available. + Details
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- Definition Amount of income tax benefit for remeasurement of deferred tax liability from change in tax rate pursuant to Tax Cuts and Jobs Act. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32639-109319 + Details
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