Equity (Narrative) (Detail) - $ / shares	Mar. 31, 2021	Dec. 31, 2020
Equity [Abstract]
Common stock, par value	$ 0	$ 0
Common stock, shares authorized	50,000,000	50,000,000
Common stock, shares issued	40,300,000	40,300,000
Common stock, shares outstanding	40,300,000	40,300,000
Preferred stock, par value	$ 0	$ 0
Preferred stock, shares authorized	20,000,000	20,000,000
Preferred stock, shares issued	1,000	1,000
Preferred stock, shares outstanding	1,000	1,000