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Income Taxes (Deferred Tax Liabilities (Assets)) (Details) - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Income Tax Disclosure [Abstract] |  |
Depreciation | $ 10,421 | $ 9,886
Goodwill | 38,540 | 35,813
Intangible assets | 9,610 | 9,907
Foreign withholding tax | 700 | 1,182
Other | 7,826 | 696
Gross deferred tax liabilities | 67,097 | 57,484
Equity compensation | (9,963) | (10,420)
Other | (20,049) | (13,529)
Gross deferred tax assets | (30,012) | (23,949)
Valuation allowances | 3,160 | 2,995
Deferred tax assets, net of valuation allowances | (26,852) | (20,954)
Net deferred tax liabilities | $ 40,245 | $ 36,530

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