Related Party Transactions and Arrangements - Continuing Involvement (Details) - Spirit MTA REIT - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Related Party Transaction [Line Items]
Cash inflow from SMTA subsequent to spin-off	$ 300	$ 11,000
Cash outflow to SMTA subsequent to spin-off	$ 4	$ 18,900

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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