Subsequent Events - Debt Activity (Details) - USD ($) $ in Thousands	Feb. 06, 2019	Jan. 24, 2019	Dec. 31, 2018	Dec. 31, 2017
Corporate Bonds [Member]
Subsequent Event [Line Items]
Aggregate balance outstanding			$ 3,400,000	$ 2,850,000
Line of Credit [Member]
Subsequent Event [Line Items]
Aggregate balance outstanding			403,000	$ 185,000
VEREIT Operating Partnership, L.P. [Member] | Corporate Bonds [Member]
Subsequent Event [Line Items]
Aggregate balance outstanding			3,400,000
2019 Senior Notes [Member] | VEREIT Operating Partnership, L.P. [Member] | Corporate Bonds [Member]
Subsequent Event [Line Items]
Aggregate balance outstanding			$ 750,000
2019 Senior Notes [Member] | VEREIT Operating Partnership, L.P. [Member] | Corporate Bonds [Member] | Subsequent Event [Member]
Subsequent Event [Line Items]
Aggregate balance outstanding	$ 750,000
Interest Rate Swap [Member] | Subsequent Event [Member]
Subsequent Event [Line Items]
Notional amount		$ 900,000
Delayed-Draw Term Loan [Member] | Interest Rate Swap [Member] | VEREIT Operating Partnership, L.P. [Member] | Line of Credit [Member] | Subsequent Event [Member]
Subsequent Event [Line Items]
Interest rate		3.84%
LIBOR [Member] | Interest Rate Swap [Member] | Subsequent Event [Member]
Subsequent Event [Line Items]
Basis spread on variable rate		1.35%