Income Taxes (Details) - USD ($)	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Income Tax Examination [Line Items]
Income tax expense	$ 311,000	$ 149,000
Effective income tax rate (as a percent)	18.00%	15.00%
Need for valuation allowance based on history of cumulative losses	3 years