Subsequent Events (Details) - Subsequent Event - Petro Travel Plaza Holdings, LLC - Building and Land - USD ($) $ in Thousands		3 Months Ended
Apr. 17, 2020	Jun. 30, 2020
Subsequent Event [Line Items]
Value of property contributed	$ 2,000
Total gain on contribution	$ 1,338	$ 535

Value of property contributed in noncash investing and financing activities.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section 50
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration