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LEASES (Tables) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2024 | Dec. 31, 2023
Leases [Abstract] |  |
Summary of Components of Lease Expense | For the three months ended March 31, 2024, the components of the Company’s lease expense were as follows (in thousands):
|  | Three months ended March 31, 2024 |  |  | Three months ended March 31, 2023 |
Operating Lease Cost |  | $ | 1,482 |  |  | $ | 1,518 |
Short-term Lease Cost |  |  | 35 |  |  |  | 30 |
Variable Lease Cost |  |  | 88 |  |  |  | 84 |
Sublease Income |  |  | — |  |  |  | (46 | )
Total Lease Cost |  | $ | 1,605 |  |  | $ | 1,586 |
| For the year ended December 31, 2023 and 2022, the components of the Company’s lease expense were as follows (in thousands):
|  | Year Ended December 31, 2023 |  |  | Year Ended December 31, 2022 |
Operating Lease Cost |  | $ | 6,077 |  |  | $ | 5,722 |
Short-term Lease Cost |  |  | 130 |  |  |  | 143 |
Variable Lease Cost |  |  | 320 |  |  |  | 319 |
Sublease Income |  |  | (76 | ) |  |  | (183 | )
Total Lease Cost |  | $ | 6,451 |  |  | $ | 6,001 |
Summary of Supplemental Balance Sheet Information Related to Leases | Supplemental balance sheet information related to leases was as follows (in thousands):
|  | Three months ended March 31, 2024 |
Weighted-average remaining lease term (in years) |  |  | 6.45 |
Weighted average discount rate |  |  | 5.86 | %
|  | Three months ended March 31, 2024 |
Cash paid for amounts included in the measurement of lease liabilities |  |  | 1,350 |
| Supplemental balance sheet information related to leases was as follows (in thousands):
|  | Year Ended December 31, 2023 |  |  | Year Ended December 31, 2022 |
Weighted-average remaining lease term (in years) |  |  | 6.55 |  |  |  | 7.53 |
Weighted average discount rate |  |  | 5.80 | % |  |  | 5.34 | %
|  | Year Ended December 31, 2023 |  |  | Year Ended December 31, 2022 |
Cash paid for amounts included in the measurement of lease liabilities |  |  | 5,538 |  |  |  | 5,003 |
Summary of Future Undiscounted Cash Flows | Future undiscounted cash flows for each of the next five years and thereafter and reconciliation to the lease liabilities recognized on the unaudited condensed consolidated balance sheet as of March 31, 2024 were as follows (in thousands):
2024 |  | $ | 3,759 |
2025 |  |  | 4,244 |
2026 |  |  | 3,719 |
2027 |  |  | 2,540 |
2028 |  |  | 1,978 |
Thereafter |  |  | 5,677 |
Total lease payments |  | $ | 21,917 |
Less: imputed interest |  |  | (3,550 | )
Present value of lease liabilities |  | $ | 18,367 |
| Future undiscounted cash flows for each of the next five years and thereafter and reconciliation to the lease liabilities recognized on the consolidated balance sheet as of December 31, 2023 were as follows (in thousands):
2024 |  | $ | 4,923 |
2025 |  |  | 4,089 |
2026 |  |  | 3,522 |
2027 |  |  | 2,439 |
2028 |  |  | 1,939 |
Thereafter |  |  | 5,605 |
Total lease payments |  | $ | 22,517 |
Less: imputed interest |  |  | (3,666 | )
Present value of lease liabilities |  | $ | 18,851 |

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- Definition Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org//1943274/2147478964/842-20-50-4 + Details
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- Definition Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147478964/842-20-50-6 + Details
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