Commitments and Contingencies (Tables)

3 Months Ended

Mar. 31, 2022

Commitments and Contingencies Disclosure [Abstract]

Components of Lease Expense

The following table summarizes the components of our lease expense:

	Three months ended March 31,
(dollars in thousands)	2022		2021
Operating lease cost(1)	$	2,532	$	2,841
Variable lease cost	437		699
Sublease income	(431)		(460)
Net lease cost	$	2,538	$	3,080

(1)Includes short-term lease costs, which were immaterial.

Schedule of Security Incident Expense and Probable Insurance Recoveries

We recorded expenses and offsetting probable insurance recoveries related to the Security Incident as follows:

	Three months ended March 31,
(dollars in thousands)	2022		2021
Gross expense	$	9,005	$	12,814
Offsetting probable insurance recoveries	(1,804)		(12,813)
Net expense	$	7,201	$	1

The following summarizes our cumulative expenses, probable insurance recoveries and insurance recoveries paid as of:

(dollars in thousands)	March 31, 2022		December 31, 2021
Cumulative gross expense	$	59,396	$	50,391
Cumulative offsetting insurance recoveries	(49,913)		(48,109)
Cumulative net expense	$	9,483	$	2,282
Cumulative offsetting insurance recoveries paid	$	(37,277)	$	(29,968)