Stock Options and Restricted Stock - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Millions			3 Months Ended			12 Months Ended
		Jun. 15, 2018	Mar. 31, 2024		Mar. 31, 2023	Dec. 31, 2023	Dec. 31, 2022	Feb. 29, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock option outstanding			946,054	[1]		959,522	1,061,849
Stock option exercisable			857,609	[1]		697,647
Unvested shares of common stock outstanding			88,445			261,875
Number of shares vested and settled			162,615
Intrinsic value of options vested			$ 0.4
Restricted Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares outstanding			248,507
Number of shares outstanding, vested restricted stock units			162,615
Restricted Stock Units [Member] | Vest on June 22, 2024 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares, granted			0			83,158
Weighted average grant price, granted			$ 9.14
Restricted Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares outstanding			889,361	[2]		995,376	857,288
Number of shares vested and settled	[3]		400,985			248,898
Weighted average fair value of options granted			$ 0		$ 0
Number of shares, granted			296,178		304,749	399,793
Weighted average grant price, granted			$ 8.97			$ 8.34
PSU [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares, granted			215,687			296,444
Weighted average grant price, granted			$ 8.97			$ 6.08
Unvested Performance Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares outstanding, performance stock units			512,131
Maximum [Member] | PSU [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting rights, percentage						200.00%
Minimum [Member] | PSU [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting rights, percentage						0.00%
2018 Equity Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares available for grant			5,710,968
Shares were rolled into the 2018 Plan			1,485,522
2018 Equity Incentive Plan [Member] | Restricted Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares outstanding			85,892
2018 Restricted Stock Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unvested shares of common stock outstanding			889,361
2015 Director Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares available for grant		258,334						300,000
2015 Director Plan [Member] | Non Employee Director One [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares available for grant		12,000
2015 Director Plan [Member] | Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period		10 years
Amended Director Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares available for grant								200,000
Number of additional shares available for issuance			0
Amended Director Plan [Member] | Director [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares available for grant			9,000
Amended Director Plan [Member] | Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period		10 years

[1] The aggregate intrinsic value of outstanding options, which represents the difference between the price of the Company’s common stock at March 31, 2024 and the related exercise price of the underlying options, was $1.3 million for outstanding options and $1.2 million for vested options as of March 31, 2024. The remaining contractual life was 5.9 years for outstanding options and 5.8 years for vested options at March 31, 2024

[2] The aggregate fair value of the restricted stock was $7.0 million as of March 31, 2024. The remaining vesting period was 2.9 years at March 31, 2024.

[3] The aggregate fair value of the restricted stock vested was $2.7 million for the three months ended March 31, 2024 and $2.1 million for the year ended December 31, 2023.