Share-based Compensation - Summary of Restricted Share Activity (Detail) - Restricted Stock Units (RSUs)	3 Months Ended
	Mar. 31, 2022 $ / shares shares
Shares
Outstanding, beginning balance (in shares) | shares	278,430
Granted (in shares) | shares	240,677
Reclassed from performance shares (in shares) | shares	14,373
Vested and issued (in shares) | shares	(83,101)
Expired or forfeited (in shares) | shares	(13,379)
Outstanding, ending balance (in shares) | shares	437,000
Weighted-Average Grant Date Fair Value
Outstanding, beginning balance (in dollars per share) | $ / shares	$ 49.57
Granted (in dollars per share) | $ / shares	41.00
Reclassed from performance shares (in dollars per share) | $ / shares	32.61
Vested and issued (in dollars per share) | $ / shares	46.32
Expired or forfeited (in dollars per share) | $ / shares	48.72
Outstanding, ending balance (in dollars per share) | $ / shares	$ 44.58