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Income Taxes - Significant Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Income Tax Disclosure [Abstract] |  |
Reserves and accruals | $ 200 | $ 463
Prepaid expenses and other | 1,645 | 571
Federal net operating losses | 379 | 0
State net operating losses | 125 | 0
Operating lease liabilities | 7,771 | 6,385
Total deferred tax assets | 10,120 | 7,419
Depreciation and amortization | (35,735) | (25,531)
Foreign net operating losses | (50) | 0
Operating lease right-of-use assets | (7,316) | (6,296)
Total deferred tax liabilities | (43,101) | (31,827)
Deferred tax liabilities, long-term, net | $ (32,981) | $ (24,408)

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