Intangible and Other Assets, Net - Schedule of Intangible Assets and Other Assets (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Dec. 31, 2024	Mar. 31, 2024	Oct. 03, 2023
Gross Value
Intangibles	$ 13,160	$ 13,160
Accumulated Amortization	(3,425)	(1,957)
Net Carrying Value
Intangibles	9,735	11,203
Other Assets
Minority interest investment in Vetster			$ 5,300
Intangibles and Other Assets
Intangible, Gross Value	18,460	18,460
Accumulated Amortization	(3,425)	(1,957)
Intangible, Net Carrying Value	15,035	16,503
Partnership Agreement with Vetster
Other Assets
Minority interest investment in Vetster	5,300	5,300
Minority interest investment in Vetster	$ 5,300	$ 5,300
Customer Relationships -PetCareRx
Finite-Lived Intangible Assets [Line Items]
Useful Life	7 years	7 years
Gross Value
Finite-lived intangibles	$ 6,700	$ 6,700
Accumulated Amortization	(1,675)	(957)
Net Carrying Value
Finite-lived intangibles	$ 5,025	$ 5,743
Weighted Average Remaining Useful Life (Years)	5 years 3 months	6 years
Developed Technology - PetCareRx
Finite-Lived Intangible Assets [Line Items]
Useful Life	3 years	3 years
Gross Value
Finite-lived intangibles	$ 3,000	$ 3,000
Accumulated Amortization	(1,750)	(1,000)
Net Carrying Value
Finite-lived intangibles	$ 1,250	$ 2,000
Weighted Average Remaining Useful Life (Years)	1 year 3 months	2 years
Toll-free telephone number
Gross Value
Indefinite-lived intangibles	$ 375	$ 375
Net Carrying Value
Indefinite-lived intangibles	375	375
Internet domain names
Gross Value
Indefinite-lived intangibles	485	485
Net Carrying Value
Indefinite-lived intangibles	485	485
Trade Names - PetCareRx
Gross Value
Indefinite-lived intangibles	2,600	2,600
Net Carrying Value
Indefinite-lived intangibles	$ 2,600	$ 2,600