Earnings Per Common Share ("EPS") - Components of Basic and Diluted EPS Computations (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended				9 Months Ended
	Mar. 31, 2023	Sep. 30, 2022	Mar. 31, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
EPS — basic and diluted:
Net loss (numerator)	$ (9,795)		$ (25,998)
Weighted average common shares (denominator), Basic	263,969		251,887
Weighted average common shares (denominator), Diluted	263,969	259,300	251,887	249,910	254,974	248,624
Net loss per share, Basic	$ (0.04)		$ (0.10)
Net loss per share, Diluted	$ (0.04)	$ (0.06)	$ (0.10)	$ (0.02)	$ (0.27)	$ (0.21)