Leases - Additional information (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Lessee, Lease, Description [Line Items]
Lease agreement expiration date	May 31, 2024
Option to extend	The initial term of the lease agreement expired on May 31, 2024 and was extended for an additional eighty-four months, commencing June 1, 2024 and ending May 31, 2031.
Lease agreement additional term	84 months
Lease agreement extended commencing date	Jun. 01, 2024
Lease agreement extended ending date	May 31, 2031
Operating leases right of use assets	$ 6,367,000	$ 7,390,000
Short-term lease liabilities	1,716,000	1,864,000
Long-term lease liabilities	5,620,000	6,364,000
Short-term lease cost	$ 2,108,000	$ 2,138,000
Weighted-average remaining lease term	6 years 8 months 12 days	6 years 9 months 18 days
Weighted-average discount rate	4.45%	4.22%
Additional interest factor	1.25%
Lease liabilities paid	$ 2,194,000	$ 2,096,000
ROU assets in exchange for new operating lease liabilities	902,000	1,180,000
Lease income	992,000	792,000	$ 792,000
Operating lease liability additions	$ 896,000	$ 1,165,000
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Property, Plant and Equipment, Net	Property, Plant and Equipment, Net
Operating Lease, Lease Income, Statement of Income or Comprehensive Income [Extensible Enumeration]	Operating Income (Loss)
Maximum [Member]
Lessee, Lease, Description [Line Items]
Lessee, operating lease, remaining lease term	1 year
Minimum [Member]
Lessee, Lease, Description [Line Items]
Lessee, operating lease, remaining lease term	11 years