Income Taxes - Current and Long-Term Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Non-current deferred tax assets	$ 24,250	$ 19,795
Non-current deferred tax liabilities	(7,010)	(5,637)
Total net deferred tax assets	$ 17,240	$ 14,158