Stock Options and Restricted Stock - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Millions		3 Months Ended					6 Months Ended			12 Months Ended
	Jun. 15, 2018	Jun. 30, 2025		Mar. 31, 2025		Jun. 30, 2024	Jun. 30, 2025		Jun. 30, 2024	Dec. 31, 2024		Dec. 31, 2023	Feb. 29, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock option outstanding		838,813	[1]	889,928	[1]		838,813	[1]		913,909		959,522
Stock option exercisable		838,813	[1]				838,813	[1]		829,286
Unvested shares of common stock outstanding		0		0			0			84,623		261,875
Number of shares vested and settled							323,977
Unrecognized compensation cost related to unvested stock options, restricted stock, restricted stock units, and performance stock units		$ 8.1					$ 8.1
Unrecognized compensation cost related to unvested stock options and restricted stock, recognition period							11 months
Total stock based compensation expense		$ 1.7				$ 1.6	$ 3.4		$ 3.1
Stock based compensation award per diluted common share		$ 0.07				$ 0.07	$ 0.14		$ 0.13
Intrinsic value of options vested							$ 0.1
Restricted Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares outstanding		410,387					410,387
Number of shares outstanding, vested restricted stock units		323,977					323,977
Restricted Stock Units [Member] | Vest on June 12, 2026 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares, granted		86,410					86,410
Weighted average grant price, granted		$ 9.49					$ 9.49
Restricted Stock Units [Member] | Vest on June 11, 2025 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares, granted										92,350
Weighted average grant price, granted										$ 8.23
Restricted Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares outstanding		727,415	[2]	727,891	[2]		727,415	[2]		909,028		995,376
Number of shares vested and settled		0		484,823	[3]					400,985	[3]
Weighted average fair value of options granted							$ 0		$ 0
Number of shares, granted		0		307,059						347,158
Weighted average grant price, granted		$ 0		$ 8.47						$ 9.17
PSU [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares outstanding		823,854		823,854			823,854			512,131		296,444
Number of shares vested and settled		0		0						0
Number of shares, granted		0		311,723						215,687
Weighted average grant price, granted		$ 0		$ 8.47						$ 8.97
Unvested Performance Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares outstanding, performance stock units		823,854					823,854
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		7,710,968					7,710,968
Shares were rolled into the 2018 Plan		2,287,437					2,287,437
2018 Equity Incentive Plan [Member] | Restricted Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares outstanding		86,410					86,410
2018 Restricted Stock Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unvested shares of common stock outstanding		727,415					727,415
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					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					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 June 30, 2025 and the related exercise price of the underlying options, was $2.5 million for outstanding options, all of which had previously vested. The remaining contractual life was 4.7 years for outstanding options at June 30, 2025

[2] The aggregate fair value of the restricted stock was $6.9 million as of June 30, 2025. The remaining vesting period was 2.7 years at June 30, 2025.

[3] The aggregate fair value of the restricted stock vested was $4.2 million for the six months ended June 30, 2025 and $2.7 million for the year ended December 31, 2024