Condensed Consolidated Statements of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Statement of Comprehensive Income [Abstract]
Net income	$ 3,481	$ 5,089	$ 13,677	$ 3,352
Foreign currency translation adjustments	2,543	952	(1,986)	(1,416)
Comprehensive income	$ 6,024	$ 6,041	$ 11,691	$ 1,936