Earnings Per Share - Details of Basic and Diluted Earnings Per Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Numerator:
Net income	$ 2,045	$ 48
Dividends paid to preferred stockholders		(34)
Net income available to common stockholders	$ 2,045	$ 14
Denominator:
Weighted average shares outstanding – basic	39,482	31,297
Potential common shares – options / warrants (treasury stock method)	2,712	26
Weighted average shares outstanding – diluted	42,194	31,323
Shares excluded (anti-dilutive)	77	11,213
Net earnings per common share:
Basic	$ 0.05	$ 0.00
Diluted	$ 0.05	$ 0.00