The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585

Name:	us-gaap_Depreciation
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Property and Equipment - Additional Information (Detail) $ in Thousands	1 Months Ended	3 Months Ended
	Feb. 26, 2020 USD ($) Building	Mar. 31, 2020 USD ($)	Mar. 31, 2019 USD ($)	Feb. 26, 2020 a	Feb. 26, 2020 ft²
Property, Plant and Equipment [Line Items]
Depreciation expense		$ 7,165	$ 1,473
Deerfield, Illinois [Member]
Property, Plant and Equipment [Line Items]
Purchase of building for consideration and transaction costs	$ 118,500
Number of building purchased \| Building	3
Office space				70	650,000