Equity - Schedule of Earnings per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2021	Mar. 31, 2020
Numerator:
Income (Loss) from continuing operations	$ 4,384	$ (5,081)	$ 6,953	$ (6,416)
Undistributed earnings allocated to common shareholders for basic and diluted net income (loss) per share	$ 4,384	$ (5,081)	$ 6,953	$ (6,416)
Denominator:
Denominator for basic net income (loss) per share - weighted average shares outstanding (in shares)	32,968	29,033	31,219	28,931
Denominator for fully diluted net (income) loss per share - weighted average shares outstanding (in shares)	34,451	29,033	32,492	28,931
Net income (loss) per basic share (in dollars per share)	$ 0.13	$ (0.18)	$ 0.22	$ (0.22)
Net income (loss) per diluted share (in dollars per share)	$ 0.13	$ (0.18)	$ 0.21	$ (0.22)
Weighted average antidilutive options, unvested restricted stock units and awards, unvested performance stock units and ESPP shares excluded from the computation	1,536	2,161	1,331	1,704