XML 40 R19.htm IDEA: XBRL DOCUMENT v2.4.0.6

Bank note payable (Tables)

3 Months Ended

Mar. 31, 2013

Bank note payable

Schedule of actual amount of applicable facility fee, LIBOR rate or base rate determined based on total leverage ratio

Leverage Ratio		Facility Fee		LIBOR Margin		Base Rate Margin
< 25%		20.0 bps		135.0 bps		35.0 bps
> 25% and < 35%		25.0 bps		140.0 bps		40.0 bps
> 35% and < 45%		30.0 bps		145.0 bps		45.0 bps
> 45% and < 55%		35.0 bps		165.0 bps		65.0 bps
> 55%		40.0 bps		190.0 bps		90.0 bps

X

- Definition

Tabular disclosure of fees charged and the interest rate margins applicable to the LIBOR rate or base rate, which is determined based on the total leverage ratio.

+ References

No definition available.

+ Details

Name:	fsp_DebtInstrumentFeesApplicableAndInterestRateMarginsTableTextBlock
Namespace Prefix:	fsp_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_DebtDisclosureAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration