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v3.21.2

Leases - (Details) | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2021 USD ($) lease | Sep. 30, 2020 USD ($) | Sep. 30, 2021 USD ($) lease | Sep. 30, 2020 USD ($) | Dec. 31, 2020 USD ($)
Net gain on disposition of assets |  |  | $ 621,000 | $ 0 |
Short-term lease expense | $ 34,000 | $ 34,000 | 129,000 |  | $ 102,000
Variable lease payments |  |  | 800,000 | 800,000 |
Operating lease cost | $ 2,217,000 | 1,895,000 | $ 6,565,000 | 5,700,000 | $ 5,676,000
Weighted-average remaining lease term-operating leases (Year) | 7 years 6 months |  | 7 years 6 months |  | 8 years 3 months 18 days
Weighted average discount rate-operating leases | 3.20% |  | 3.20% |  | 3.20%
Minimum [Member] |  |  |  |  |
Term of contract | 1 month |  | 1 month |  |
Maximum [Member] |  |  |  |  |
Term of contract | 15 years |  | 15 years |  |
Branches And Office Space [Member] |  |  |  |  |
Number of leases | lease | 28 |  | 28 |  |
Vehicles [Member] |  |  |  |  |
Number of leases | lease | 10 |  | 10 |  |
Equipment [Member] |  |  |  |  |
Number of leases | lease | 1 |  | 1 |  |
Professional Services [Member] |  |  |  |  |
Short-term lease expense |  | $ 34,000 | $ 129,000 | $ 102,000 |

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- Definition Amount of gain (loss) on sale or disposal of property, plant and equipment assets, including oil and gas property and timber property. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585 + Details
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- Definition Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918673-209980 + Details
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- Definition Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 55 -Paragraph 53 -URI http://asc.fasb.org/extlink&oid=121568110&loc=SL77918982-209971 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918686-209980 + Details
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