XML 32 R17.htm IDEA: XBRL DOCUMENT
v3.24.0.1

Intangible Assets, net | 12 Months Ended
--- | ---
Dec. 31, 2023
Intangible Assets, net |
Intangible Assets, net | 9. Intangible Assets, net Intangible assets include customer relationships associated with various business and asset acquisitions. These acquired intangible assets were recorded at fair value determined as of the date of acquisition and are being amortized over the period we expect to benefit from the assets. Intangible assets, net is comprised of the following: ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31,
(in thousands) | ​ | 2023 | ​ | 2022
Gross carrying amount | ​ | $ | 142,336 | ​ | $ | 141,462
Accumulated amortization | ​ |  | (112,154) | ​ |  | (104,385)
Intangible assets, net | ​ | $ | 30,182 | ​ | $ | 37,077
​ Intangible assets are amortized on a straight–line basis with estimated useful lives ranging from 15 to 25 years. Amortization expense was $6.9 million, $8.9 million and $11.3 million during the years ended December 31, 2023, 2022 and 2021, respectively. Estimated amortization expense for each of the subsequent five fiscal years is expected to be as follows: ​
​ | ​ | ​ | ​
(in thousands) | ​ | ​ | ​
2024 | ​ | $ | 5,721
2025 | ​ |  | 3,595
2026 | ​ |  | 3,032
2027 | ​ |  | 2,157
2028 | ​ |  | 1,803
Thereafter | ​ |  | 13,874
Total | ​ | $ | 30,182
​

X
- References No definition available. + Details
Name: | us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The entire disclosure for all or part of the information related to intangible assets. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//350-30/tableOfContent + Details
Name: | us-gaap_IntangibleAssetsDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration