Leases - Schedule of Lease Expense, Cash Flow, Operating and Finance Lease Assets and Liabilities, Average Lease Term and Average Discount Rate (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Finance lease expense:
Amortization of right-of-use assets	$ 251	$ 259	$ 496	$ 573
Interest on lease liabilities	15	14	31	29
Operating lease expense	738	659	1,361	1,345
Total lease expense	1,004	932	1,888	1,947
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash outflows from finance leases	15	14	31	29
Operating cash outflows from operating leases	766	711	1,402	1,469
Financing cash outflows from finance leases	263	243	551	547
Right-of-use assets obtained in exchange for finance lease liabilities, net of terminations and disposals	142	212	538	335
Right-of-use assets obtained in exchange for operating lease liabilities, net of terminations and disposals	651	$ 61	651	$ 232
Operating leases:
Other noncurrent assets	$ 8,145		$ 8,145		$ 8,325
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Other non-current assets		Other non-current assets		Other non-current assets
Accrued liabilities	$ (2,471)		$ (2,471)		$ (2,137)
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Accrued expenses		Accrued expenses		Accrued expenses
Other noncurrent liabilities	$ (5,698)		$ (5,698)		$ (6,516)
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Other non-current liabilities		Other non-current liabilities		Other non-current liabilities
Total operating lease liabilities	$ (8,169)		$ (8,169)		$ (8,653)
Operating Lease, Liability, Statement of Financial Position [Extensible Enumeration]	us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent		us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent		us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent
Property, plant and equipment gross	$ 8,460		$ 8,460		$ 7,899
Accumulated depreciation	(6,180)		(6,180)		(5,684)
Property, plant and equipment, net	$ 2,280		$ 2,280		$ 2,215
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Other non-current assets		Other non-current assets		Other non-current assets
Current portion of long-term debt	$ (1,062)		$ (1,062)		$ (1,053)
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Accrued expenses		Accrued expenses		Accrued expenses
Long-term debt (less current portion)	$ (1,626)		$ (1,626)		$ (1,673)
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Other non-current liabilities		Other non-current liabilities		Other non-current liabilities
Total finance lease liabilities	$ (2,688)		$ (2,688)		$ (2,726)
Finance Lease, Liability, Statement of Financial Position [Extensible Enumeration]	us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent		us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent		us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent
Weighted-average remaining lease term - finance leases (years)	2 years 10 months 24 days		2 years 10 months 24 days		3 years 2 months 12 days
Weighted-average remaining lease term - operating leases (years)	3 years 7 months 6 days		3 years 7 months 6 days		4 years 2 months 12 days
Weighted-average discount rate - finance leases	2.60%		2.60%		2.70%
Weighted-average discount rate - operating leases	3.80%		3.80%		3.60%