Sale-Leaseback Transactions (Details) $ in Thousands	1 Months Ended	3 Months Ended
Mar. 30, 2019 USD ($) property	Apr. 27, 2019 USD ($)
Sale-Leaseback Transactions
Number of properties sold \| property	5
Proceeds from sale of properties	$ 74,700
Gain on sale-leaseback	16,600	$ 16,528
Cumulative initial annual rent	$ 5,000

Amount of gain (loss) on sale and leaseback transaction from transfer of asset accounted for as sale.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 40
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=77888430&loc=SL77919786-209982

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 55
-Paragraph 53
-URI http://asc.fasb.org/extlink&oid=77888399&loc=SL77918982-209971

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (f)
-URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration