Income Taxes - Additional Information (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Income Tax Disclosure [Abstract]
Income tax expense	$ 1,459,000	$ 1,237,000	$ 3,594,000	$ 3,984,000
Effective income tax rate	28.90%	23.60%	27.90%	24.10%
Unrealized tax benefits	$ 0	$ 0	$ 0	$ 0