Related Party Transactions and Arrangements - Continuing Involvement (Details) - Spirit MTA REIT - USD ($) $ in Thousands |
6 Months Ended | |
|---|---|---|
Jun. 30, 2020 |
Jun. 30, 2019 |
|
| Related Party Transaction [Line Items] | ||
| Cash inflow from SMTA subsequent to spin-off | $ 800 | $ 22,700 |
| Cash outflow to SMTA subsequent to spin-off | $ 4 | $ 22,700 |