Stock-Based Compensation - Summary of RSU, PSU and Option Activity (Detail)	6 Months Ended
	Jun. 30, 2022 $ / shares shares
Number of Options Outstanding
Number of Options Outstanding, Beginning balance (in shares) | shares	9,000
Forfeited or expired (in shares) | shares	(9,000)
Weighted Average Exercise Price
Weighted Average Exercise Price, Beginning balance (in dollars per share) | $ / shares	$ 16.76
Forfeited or expired (in dollars per share) | $ / shares	$ 16.76
Restricted Stock Units [Member]
Number of Awards
Number of Awards, Beginning balance (in shares) | shares	966,429
Granted (in shares) | shares	515,491
Settled (in shares) | shares	(580,551)
Forfeited or expired (in shares) | shares	(4,570)
Number of Awards, Ending balance (in shares) | shares	896,799
Number of awards, Awards estimated to vest in the future (in shares) | shares	896,799
Weighted Average Grant Date Fair Value
Weighted Average Grant Date Fair Value, Beginning balance (in dollars per share) | $ / shares	$ 4.62
Granted (in dollars per share) | $ / shares	3.93
Settled (in dollars per share) | $ / shares	4.73
Forfeited or expired (in dollars per share) | $ / shares	3.77
Weighted Average Grant Date Fair Value, Ending balance (in dollars per share) | $ / shares	4.16
Weighted Average Grant Date Fair Value, Awards estimated to vest in the future (in dollar per share) | $ / shares	$ 4.16
Performance Shares Unit [Member]
Number of Awards
Number of Awards, Beginning balance (in shares) | shares	2,484,581
Granted (in shares) | shares	667,345
Settled (in shares) | shares	(719,659)
Forfeited or expired (in shares) | shares	(109,166)
Number of Awards, Ending balance (in shares) | shares	2,323,101
Number of awards, Awards estimated to vest in the future (in shares) | shares	2,097,894
Weighted Average Grant Date Fair Value
Weighted Average Grant Date Fair Value, Beginning balance (in dollars per share) | $ / shares	$ 6.67
Granted (in dollars per share) | $ / shares	5.33
Settled (in dollars per share) | $ / shares	6.68
Forfeited or expired (in dollars per share) | $ / shares	7.24
Weighted Average Grant Date Fair Value, Ending balance (in dollars per share) | $ / shares	6.26
Weighted Average Grant Date Fair Value, Awards estimated to vest in the future (in dollar per share) | $ / shares	$ 6.28