Summary of Significant Accounting Policies - Advertising Costs and Income Taxes (Details) - USD ($)	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Marketing and Advertising Expense [Abstract]
Advertising costs	$ 547,000	$ 388,000
Income Tax Disclosure [Abstract]
Uncertain tax positions	$ 0		$ 0