Derivative financial instruments (Additional Information) (Details) - USD ($) $ in Millions		6 Months Ended
Jun. 23, 2017	Jun. 30, 2022
Derivative Instruments and Hedging Activities Disclosure [Abstract]
long-term interest rate swap percentage	70.00%
Other Comprehensive Income, Amount of gain (loss) recognized		$ (0.1)
Amount of gain (loss) recognized expected to be reclassified (Term)		12 months

The estimated value of gains (losses), net anticipated to be transferred in the future from accumulated other comprehensive income into earnings.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 30
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=121549185&loc=d3e80845-113994

Name:	us-gaap_DerivativeInstrumentsGainLossReclassificationFromAccumulatedOCIToIncomeEstimatedNetAmountToBeTransferred
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration