Income Taxes - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended	9 Months Ended
	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Jun. 30, 2019	Mar. 31, 2020	Jun. 30, 2020	Jun. 30, 2019
Income Tax Disclosure [Abstract]
Income tax expense	$ 573	$ 607	$ 1,420	$ 700	$ 2,027	$ 2,600	$ 1,257