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Goodwill and other intangible assets (Tables) | 9 Months Ended
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Sep. 30, 2023
Goodwill and Intangible Assets Disclosure [Abstract] |
Other amortizable intangible assets | Other amortizable intangible assets were as follows:
| September 30, 2023 | September 30, 2022 | December 31, 2022
| (In thousands)
Customer relationships | $ | 10,450 |  | $ | 10,450 |  | $ | 10,450 |
Less accumulated amortization | 7,924 |  | 5,834 |  | 6,356 |
| 2,526 |  | 4,616 |  | 4,094 |
Noncompete agreements | 292 |  | 552 |  | 552 |
Less accumulated amortization | 292 |  | 520 |  | 544 |
| — |  | 32 |  | 8 |
Total | $ | 2,526 |  | $ | 4,648 |  | $ | 4,102 |
Estimated amortization expense | Amortization expense for identifiable intangible assets as of September 30, 2023 is estimated to be as follows:
| Remainder of 2023 | 2024 | 2025 | 2026 | 2027 | Thereafter
| (In thousands)
Amortization expense | $ | 522 |  | $ | 1,888 |  | $ | 116 |  | $ | — |  | $ | — |  | $ | — |

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