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Leases - Schedule of Other Information Related to Leases (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2024 | Mar. 31, 2023 | Dec. 31, 2023 | Dec. 31, 2022
Weighted average remaining lease term (in years) |  |  |  |
Operating leases | 7 years 7 months 6 days | 8 years 6 months | 7 years 9 months 18 days | 8 years 9 months 18 days
Finance leases | 1 year 8 months 12 days | 2 years 8 months 12 days | 1 year 10 months 24 days | 9 months 18 days
Weighted average discount rate: |  |  |  |
Operating leases | 8.10% | 8.10% | 8.10% | 8.00%
Finance lease | 4.60% | 4.60% | 4.60% | 12.70%
Cash paid for amounts included in measurement of lease liabilities |  |  |  |
Operating cash flows from operating leases | $ 104 | $ 103 | $ 423 | $ 222
Operating cash flows from finance leases | 2 | 10 | 16 | 45
ROU assets obtained in exchange for lease obligations |  |  |  |
Operating leases | 0 | 72 | 55 | 1,375
Finance lease | $ 0 | $ 0 | $ 0 | $ 47

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- Definition Amount of cash outflow for principal payment on finance lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (g)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147478964/842-20-50-4 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 5 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479041/842-20-45-5 + Details
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