Consolidated Statements of Stockholders' Equity (Parenthetical) - USD ($) $ in Thousands		6 Months Ended
Jan. 01, 2020	Jun. 30, 2020
Statement of Stockholders' Equity
Cumulative effect from the adoption of accounting pronouncements, tax	$ 1,168	$ 1,168

Amount of cumulative tax effect on beginning retained earnings from change in accounting principle.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 20
-Section 45
-Paragraph 11
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109238882&loc=d3e39076-109324

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