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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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+ References

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- Definition

Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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-Name Accounting Standards Codification
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Dispositions (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended		9 Months Ended
Dispositions (Details) - USD ($) $ in Thousands	Jan. 31, 2019	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Jan. 31, 2020
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Payments on credit facility				$ 25,975	$ 18,109
Gain on sale of assets		$ 0	$ 37	$ 0	1,989
Circle C ground lease \| Disposal by sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Sale, consideration						$ 3,200
Gain on sale of assets					$ (2,000)
Revolving Credit Facility \| Comerica Credit Facility \| Line of credit
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Payments on credit facility	$ 2,500