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Leases - Additional Information (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022 | Dec. 31, 2022
Lessee, Lease, Description [Line Items] |  |  |  |  |
Right-of-use assets | $ 43,000 |  | $ 43,000 |  | $ 40,400
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] | Prepaid expenses and other assets |  | Prepaid expenses and other assets |  | Prepaid expenses and other assets
Total lease liabilities - Operating leases | $ 46,960 |  | $ 46,960 |  | $ 44,200
Operating Lease, Liability, Statement of Financial Position [Extensible Enumeration] | us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent |  | us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent |  | us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent
Weighted average remaining lease term | 7 years 18 days |  | 7 years 18 days |  | 7 years 1 month 13 days
Weighted average discount rate (percent) | 2.92% |  | 2.92% |  | 2.42%
Aggregate cash purchase price | $ 7,800 |  | $ 7,800 |  |
Sale of the building lease | 4,000 |  |  |  |
Net lease expense | 2,400 | $ 2,100 | 6,600 | $ 6,200 |
Aggregate annual lease expense | 400 |  |  |  |
Operating lease costs | 2,300 | 2,000 | 6,500 | 5,900 |
Cash paid for amounts included in the measurement of Company's operating lease liabilities | $ 2,300 | $ 1,900 | $ 6,400 | $ 5,900 |
Lease term | 10 years |  |  |  |
Sale lease back renewal option | with two five year |  |  |  |
Minimum |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |
Operating lease remaining term | 1 year |  | 1 year |  |
Finance lease remaining term | 1 year |  | 1 year |  |
Maximum |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |
Operating lease remaining term | 13 years |  | 13 years |  |
Finance lease remaining term | 13 years |  | 13 years |  |
Operating lease extension term | 5 years |  | 5 years |  |
Finance lease extension term | 5 years |  | 5 years |  |

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- Definition Amount of gain (loss) on sale and leaseback transaction from transfer of asset accounted for as sale. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 53 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479589/842-20-55-53 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org//1943274/2147478964/842-20-50-4 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479741/842-40-50-2 + Details
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