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GOODWILL AND OTHER INTANGIBLE ASSETS
 12 Months Ended
Dec. 31, 2024
Goodwill and Intangible Assets Disclosure [Abstract]  
GOODWILL AND OTHER INTANGIBLE ASSETS GOODWILL AND OTHER INTANGIBLE ASSETS
 
Goodwill is recorded as a result of business combinations. The following is a reconciliation of Goodwill by business segment for the years ended December 31, 2023 and December 31, 2024 (in thousands):
Imaging CenterDigital HealthTotal
Balance as of December 31, 2022$594,183 $83,482 $677,665 
Goodwill from acquisitions6,473 — 6,473 
Disposals(9,235)— (9,235)
Measurement period and other adjustments1,603 — 1,603 
Currency translation1,233 1,724 2,957 
Balance as of December 31, 2023$594,257 $85,206 $679,463 
Goodwill from acquisitions$34,697 $— $34,697 
Currency translation(417)(3,080)(3,497)
Balance as of December 31, 2024$628,537 $82,126 v$710,663 
 
The amount of goodwill that is expected to be deductible for tax purposes as for 2024 is $152.9 million.
 
Other intangible assets are primarily related to our business combinations and software development. They include the estimated fair values of such items as service agreements, customer lists, covenants not to compete, acquired technologies, and trade names.
 
Total amortization expense was $12.5 million, $12.2 million, and $10.1 million for the years ended December 31, 2024, 2023 and 2022, respectively. Intangible assets are amortized using the straight-line method over their useful life determined at acquisition. Management service agreements are amortized over 25 years using the straight line method. Software development is capitalized and amortized over the useful life of the software when placed into service. Trade names are reviewed annually for impairment.

The following table shows annual amortization expense, by asset classes that will be recorded over each of the next five years and thereafter (in thousands): 
20252026202720282029ThereafterTotalWeighted average amortization period remaining in years
Management Service Contracts$2,287 $2,287 $2,287 $2,287 $2,291 $4,384 $15,823 6.9
Covenant not to compete and other contracts947 660 365 275 106 — 2,353 3.2
Customer Relationships1,084 962 786 750 750 9,628 13,960 17.2
Patent and Trademarks293 293 293 293 51 121 1,344 5.0
Developed Technology & Software7,329 7,289 6,755 6,755 1,848 4,610 34,586 5.4
Trade Names amortized77 77 77 63 19 8 321 4.3
Trade Names indefinite life— — — — — 8,500 8,500 
IPR&D— — — — — 4,464 4,464 
Total Annual Amortization$12,017 $11,568 $10,563 $10,423 $5,065 $31,715 $81,351