3.22.4 html 3 24 1 false 2 0 false 0 false false R1.htm 0000001 - Document - Cover Sheet http://www.katapult.com/role/Cover Cover Cover 1 false false All Reports Book All Reports [dq-0540-DocumentPeriodEndDate-Value] In submission type 8-K/A, DocumentPeriodEndDate value "2022-11-17", is not equivalent to header element periodOfReport value "02-28-2023" in the Required Context. kplt-20221117.htm 4 [dqc-0036-Document-Period-End-Date-Context-Fact-Value-Check] The ending date of 2023-02-28 used for DocumentPeriodEndDate must be the same as the Document Period End Date, 2022-11-17. The properties of this DocumentPeriodEndDate fact are Context: idc649020c7c44733a1179952c6fd3150_D20230228-20230228, Rule Element Id: 1. kplt-20221117.htm 4 kplt-20221117.htm katapult-executedemploymen.htm kplt-20221117.xsd kplt-20221117_def.xml kplt-20221117_lab.xml kplt-20221117_pre.xml http://xbrl.sec.gov/dei/2021 true false