Property Held for Lease, Net of Accumulated Depreciation and Impairment- Summary of Property Held for Lease, Net (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023	Mar. 31, 2023
Leases [Abstract]
Property held for lease	$ 216,098	$ 290,808
Less: accumulated depreciation and impairment	(158,523)	(231,473)
Property held for lease, net	$ 57,575	$ 59,335	$ 51,533

Property Subject To Or Available For Operating Lease, Accumulated Depreciation, Current

No definition available.

Name:	kplt_PropertySubjectToOrAvailableForOperatingLeaseAccumulatedDepreciationCurrent
Namespace Prefix:	kplt_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant