Income Taxes - Narrative (Details) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Income Tax Disclosure [Abstract]
Deferred tax asset valuation allowance	$ 0	$ 0
Tax expense related to uncertain tax positions	$ 0	$ (3,088,000)	$ 3,088,000
Interest expense related to uncertain tax positions			$ 900,000
Uncertain tax position, impact of settlement on effective tax rate		1.00%
Effective income tax rate change as a result of tax law change			1.00%