Stock-Based Compensation Plans (Details Narrative) (USD $) In Thousands, except Share data, unless otherwise specified	6 Months Ended
Mar. 31, 2015 Years	Jan. 30, 2015
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Shares available for future issuance	419,170
FRP options replacement		75.14%FRPH_ReplacementOptionsWeight
Patriot options replacement		24.86%FRPH_ReplacementOptionsWeightPatriot
Aggregate intrinsic value of exercisable in-the-money options	$ 3,083
Aggregate intrinsic value of outstanding in-the-money options	4,917
Market close price	$ 36.40us-gaap_SharePrice
Realized tax benefit from options exercised	406
Total unrecognized compensation cost of options granted but not yet vested	823
Weighted average period for compensation to be recognized	3.6
Gains realized by option holders	$ 1,048

No authoritative reference available.

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Unrecognized cost of unvested share-based compensation awards.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (i)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

Disclosure of the aggregate tax benefit realized from the exercise of stock options and the conversion of similar instruments during the annual period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (j)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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Price of a single share of a number of saleable stocks of a company.

+ References

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