Summary of Significant Accounting Policies (Details Narrative)	9 Months Ended
Sep. 30, 2018
Series B Preferred Stock [Member]
Percentage of distribution of dividends to stockholders	8.00%

Percentage of distribution of dividends to stockholders.

No definition available.

Name:	fcre_PercentageOfDistributionOfDividendsToStockholders
Namespace Prefix:	fcre_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration