Property Held for Lease, Net - Summary of Property Held for Lease, Net (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Leases [Abstract]
Property held for lease	$ 208,832	$ 220,259
Less: accumulated depreciation	(156,544)	(158,507)
Property held for lease, net	$ 52,288	$ 61,752

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