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Retirement Plans (Tables) | 12 Months Ended
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Dec. 31, 2022
Retirement Plans [Abstract] |
Schedule of Costs of Retirement Plans | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
(amounts in thousands) |  | 2022 |  | 2021 |  | 2020
Retirement savings plan |  | ​ | 5,155 |  | ​ | 3,692 |  | ​ | 2,249
Profit Sharing | ​ | ​ | — | ​ | ​ | 2,450 | ​ | ​ | 2,700
Deferred compensation plan |  | ​ | 815 |  | ​ | 810 |  | ​ | 806
Supplemental executive retirement plan |  | ​ | 709 |  | ​ | 703 |  | ​ | 463
Total | ​ | $ | 6,679 | ​ | $ | 7,655 | ​ | $ | 6,218
​

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- Definition Tabular disclosure of the costs related to the various types of retirement plans including defined benefit pension plan cost, defined contribution plan cost, other postretirement benefit plan cost, and net periodic benefit cost. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
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