XML 66 R27.htm IDEA: XBRL DOCUMENT v3.20.1

Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2020

Fair Value Disclosures [Abstract]

Schedule of fair value hierarchy of assets measured on nonrecurring basis and gain (losses) recorded

The Company uses Level 2 inputs to measure write-downs of equipment held for lease and equipment held for sale.

	Total Losses
	Three Months Ended March 31,
	2020				2019
	(in thousands)
Equipment held for lease	$	2,059			$	1,105
Equipment held for sale	70				—
Total	$	2,129			$	1,105

X

- References

No definition available.

+ Details

Name:	us-gaap_FairValueDisclosuresAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the fair value hierarchy of the assets measured at fair value on a nonrecurring basis and the gains (losses) recorded during the period.

+ References

No definition available.

+ Details

Name:	wlfc_ScheduleOfFairValueAssetsAndGainLossesMeasuredOnNonrecurringBasisTableTextBlock
Namespace Prefix:	wlfc_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration