Earnings (Loss) per Share - Reconciliation of Net Loss and Number of Common Shares Used in Computations of Basic Earnings Per Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Numerator - Basic and Diluted
Net loss	$ (30,318)	$ (22,202)
Preferred dividends	(1,225)	(1,225)
Net loss attributable to common shareholders - Basic	(31,543)	(23,427)
Net loss attributable to common shareholders - Diluted	$ (31,543)	$ (23,427)
Denominator - Basic and Diluted
Weighted average Class A common shares outstanding	56,324	56,283
Weighted average Class A common shares outstanding - Diluted	56,324	56,283
Loss per share attributable to Class A common shareholders - Basic	$ (0.56)	$ (0.42)
Loss per share attributable to Class A common shareholders - Diluted	$ (0.56)	$ (0.42)
Class A Common Shares [Member]
Denominator - Basic and Diluted
Weighted average Class A common shares outstanding	56,324	56,283