Mandatorily Redeemable Preferred Shares - Additional Information (Detail) - Series A Preferred Stock $ / shares in Units, $ in Millions	3 Months Ended	9 Months Ended
	Sep. 30, 2020 USD ($) $ / shares	Sep. 30, 2020 USD ($) $ / shares shares
Class of Stock [Line Items]
Aggregate liquidation preference | $	$ 15	$ 15
Cash dividend on preferred stock		13.00%
Preferred stock leverage ratio, increase		750.00%
Percentage on preferred stock cash dividend	15.00%	15.00%
Percentage on preferred stock leverage ratio increase		16.50%
Wholly Owned Subsidiary of LQH Parent
Class of Stock [Line Items]
Number of shares issued (in shares) | shares		15,000
Preferred stock, par value (in usd per share) | $ / shares	$ 0.01	$ 0.01