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Leases - Lease cost and other information (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2024 | Mar. 31, 2023 | Dec. 31, 2023
Lease Cost Components: |  |  |
Amortization of ROU assets - finance leases | $ 117 | $ 117 |
Interest on lease liabilities - finance leases | 9 | 11 |
Operating lease cost (cost resulting from lease payments) | 4,277 | 4,240 |
Short-term lease cost | 139 | 109 |
Variable lease cost (cost excluded from lease payments) | 797 | 634 |
Total lease cost | 5,339 | 5,111 |
Supplemental Cash Flow and Other Information Related to Leases: |  |  |
Finance lease - operating cash flows | 9 | 11 |
Finance lease - financing cash flows | 119 | 110 |
Operating lease - operating cash flows (fixed payments) | 4,193 | 4,097 |
Operating lease - operating cash flows (net change asset/liability) | (3,367) | $ (3,287) |
New ROU assets - operating leases | $ 2,544 |  |
Weighted - average remaining lease term (years) - finance leases | 4 years 2 months 4 days | 5 years 2 months 4 days |
Weighted - average remaining lease term (years) - operating leases | 9 years 1 month 2 days | 9 years 10 months 17 days |
Weighted - average discount rate - finance leases | 1.70% | 1.70% |
Weighted - average discount rate - operating leases | 3.20% | 3.00% |
Maturity Analysis of Lease Liabilities: |  |  |
2024 (excluding 3 months ended March 31, 2024) | $ 12,323 |  |
2025 | 15,057 |  |
2026 | 14,594 |  |
2027 | 13,532 |  |
2028 | 12,891 |  |
Thereafter | 57,389 |  |
Total undiscounted cash flows | 125,786 |  |
Discount on cash flows | (18,051) |  |
Total operating lease liabilities | $ 107,735 |  | $ 108,300
Operating Lease, Liability, Statement of Financial Position [Extensible List] | Other Liabilities. |  | Other Liabilities.

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