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Leases (Tables) | 12 Months Ended
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Dec. 31, 2022
Leases [Abstract] |
Lease, Cost | The components of lease expense are as follows:
|  | Year Ended December 31,
|  | 2022 |  | 2021 |  | 2020
|  | (Dollars in thousands)
Operating lease cost |  | $ | 5,441 |  |  | $ | 5,399 |  |  | $ | 6,138 |
Short-term lease cost |  | 163 |  |  | 408 |  |  | 159 |
Variable lease cost |  | 756 |  |  | 453 |  |  | 429 |
Total lease cost |  | $ | 6,360 |  |  | $ | 6,260 |  |  | $ | 6,726 |
Supplemental cash-flow and other information related to leases is as follows:
|  | Year Ended December 31,
|  | 2022 |  | 2021 |  | 2020
|  | (Dollars in thousands)
RoU assets obtained in exchange for new operating lease liabilities (non-cash) |  | $ | 2,303 |  |  | $ | 5,584 |  |  | $ | 5,262 |
Cash payments for operating leases |  | (4,015) |  |  | (5,466) |  |  | (6,177) |
Supplemental Balance Sheet | Supplemental balance sheet information related to leases is as follows:
|  |  | December 31,
|  |  | 2022 |  | 2021
|  |  | (Dollars in thousands)
| Location |  |  |  |
Operating RoU lease assets | Other assets |  | $ | 5,741 |  |  | $ | 7,646 |
Current operating lease liabilities | Other accrued liabilities |  | 3,575 |  |  | 4,109 |
Non-current operating lease liabilities | Other long-term obligations |  | 2,304 |  |  | 3,528 |
Total operating lease liabilities |  |  | $ | 5,879 |  |  | $ | 7,637 |
Weighted average remaining lease term (in years) |  |  | 2.1 |  | 2.3
Weighted average discount rate |  |  | 4.65 | % |  | 4.31 | %
Operating Lease, Liability, Maturity | As of December 31, 2022, future minimum lease payments under noncancellable operating leases were as follows:
|  | (Dollars in thousands)
2023 |  | 3,648 |
2024 |  | 1,530 |
2025 |  | 601 |
2026 |  | 284 |
2027 |  | 139 |
2028 and thereafter |  | — |
Total lease payments |  | $ | 6,202 |
Less: Imputed interest |  | (323) |
Present value of lease payments |  | $ | 5,879 |

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- Definition Assets And Liabilities, Lessee [Table Text Block] + References No definition available. + Details
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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 -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -URI https://asc.fasb.org/extlink&oid=128292326&loc=SL77918686-209980 + 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 -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI https://asc.fasb.org/extlink&oid=128292326&loc=SL77918701-209980 + Details
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