Long Term Debt - Summary of Future Amortization of Debt Issuance Costs and Original Issue Discount (Detail) $ in Thousands	12 Months Ended
Dec. 31, 2021 USD ($)
Long Term Debt [Abstract]
2022	$ 4,400
2023	4,986
2024	5,466
2025	1,429
Thereafter	145
Total	$ 16,426

Future amortization of debt issuance costs and original issue discount.

No definition available.

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Future amortization of debt issuance costs and original issue discount after year five.

No definition available.

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Future amortization of debt issuance costs and original issue discount in next twelve months.

No definition available.

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Future amortization of debt issuance costs and original issue discount in year four.

No definition available.

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Future amortization of debt issuance costs and original issue discount in year three.

No definition available.

Name:	kld_FutureAmortizationOfDebtIssuanceCostsAndOriginalIssueDiscountInYearThree
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Data Type:	xbrli:monetaryItemType
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Future amortization of debt issuance costs and original issue discount in year two.

No definition available.

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Period Type:	duration

No definition available.

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