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Commitments and Contingencies (Tables)

6 Months Ended

Jun. 30, 2021

Commitments and Contingencies Disclosure [Abstract]

Components of Lease Expense

The components of lease expense were as follows:

			Three months ended June 30,									Six months ended June 30,
(dollars in thousands)			2021			2020						2021			2020
Operating lease cost(1)			$	2,372		$	6,281					$	5,213		$	12,592
Variable lease cost			699			1,113						1,398			2,371
Sublease income			(366)			(940)						(826)			(1,853)
Net lease cost			$	2,705		$	6,454					$	5,785		$	13,110

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

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- References

No definition available.

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- Definition

Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918686-209980

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