SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Noncontrolling Interest (Details)	Sep. 30, 2024
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Noncontrolling interest redemption ratio	100.00%

Redeemable Noncontrolling Interest, Equity, Redemption Ratio

No definition available.

Name:	fcpt_RedeemableNoncontrollingInterestEquityRedemptionRatio
Namespace Prefix:	fcpt_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant