Stockholders' Equity - 2020 Equity Financing - Additional Information (Detail) - 2020 Equity Financing [Member] - Share Offering [Member] $ / shares in Units, $ in Thousands	1 Months Ended
Feb. 29, 2020 USD ($) $ / shares shares
Class Of Stock [Line Items]
Common stock issued \| shares	1,500,000
Price per share \| $ / shares	$ 14.50
Gross proceeds from issuance of common stock	$ 21,750
Share issuance costs	$ 1,800

Number of new stock issued during the period.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(29))
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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-Section S99
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-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration