Marketable Securities - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Investment Holdings [Line Items]
Number of shares sold (shares)	564,612	564,612
Proceeds from sale of marketable securities	$ 9,506	$ 9,506	$ 0	$ 0
Fair value	$ 0	$ 0	$ 6,024
Macerich
Investment Holdings [Line Items]
Closing share price (in usd per share)			$ 10.67