The maximum income tax withholdings each participant is allowed to have withheld under ICP plan.

No definition available.

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- Definition

Number of performance periods under ICP Plans awarded based on the level of performance achieved by Piedmont for a rolling performance period.

+ References

No definition available.

+ Details

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- Definition

Total number of retention shares vested during the period, gross of tax withholding.

+ References

No definition available.

+ Details

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- Definition

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SAB TOPIC 14.F)

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (h)(1)(i)

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

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 14

-Section F

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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- Definition

Aggregate carrying value as of the balance sheet date of the liabilities for stock option plans and other equity-based compensation arrangements.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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- Definition

Amount of cash outflow to satisfy an employee's income tax withholding obligation as part of a net-share settlement of a share-based award.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 15

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585

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- Definition

Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ 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 (a)(1)

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

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- Definition

Description of award terms as to how many shares or portion of an award are no longer contingent on satisfaction of either a service condition, market condition or a performance condition, thereby giving the employee the legal right to convert the award to shares, to sell the shares, and be entitled to the cash proceeds of such sale. For example, vesting may be expressed as being 25 percent of the shares under option on each anniversary of the grant date.

+ References

+ Details

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- Definition

Percentage of vesting of share-based compensation awards.

+ References

+ Details

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- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ 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 (c)(2)(iii)(1)

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

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- Definition

Purchase price of common stock expressed as a percentage of its fair value.

+ References

No definition available.

+ Details

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- Definition

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

+ References

No definition available.

+ Details

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- Definition

Gross number of shares (or other type of equity) issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP). Shares issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans.

+ References

No definition available.

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Employee Share-Based Plans (Details) (USD $)	3 Months Ended		1 Months Ended	0 Months Ended
Employee Share-Based Plans (Details) (USD $)	Jan. 31, 2015	Jan. 31, 2014	Dec. 31, 2011	Dec. 15, 2014	Oct. 31, 2014	Dec. 12, 2014
Employee Share Based Plans Details [Line Items]
Maximum allowable withholdings	50.00%pny_MaximumPlanWithholdingsAllowed
Compensation expense	$ 2,230,000	$ 2,100,000
Liability	10,093,000				15,130,000
ESPP exercise price as a percent	95.00%
Stock Compensation Plan [Member]
Employee Share Based Plans Details [Line Items]
Performance period	3 years
Retention Stock Unit Award President And Cheif Executive Officer [Member] \| Stock Compensation Plan [Member]
Employee Share Based Plans Details [Line Items]
Retention stock unit award vesting period	5 years
Unvested Shares Issued To CEO			64,700
Incentive Compensation Plan Percentage Of Common Stock Vested	In accordance with the vesting schedule, 20% of the units vested on December 15, 2014, 30% of the units vest on December 15, 2015 and 50% of the units vest on December 15, 2016
Vested on December 15, 2014 \| Retention Stock Unit Award President And Cheif Executive Officer [Member] \| Stock Compensation Plan [Member]
Employee Share Based Plans Details [Line Items]
Common stock vesting percentage	20.00%
Stock Award Vested, Shares, Gross				14,461
Payments Related to Tax Withholding for Share-based Compensation				$ 300,000
Stock Issued During Period, Shares, Share-based Compensation, Gross				7,231
Share Price						$ 37.89
Vest on December 15, 2015 \| Retention Stock Unit Award President And Cheif Executive Officer [Member] \| Stock Compensation Plan [Member]
Employee Share Based Plans Details [Line Items]
Common stock vesting percentage	30.00%
Vest on December 15, 2016 \| Retention Stock Unit Award President And Cheif Executive Officer [Member] \| Stock Compensation Plan [Member]
Employee Share Based Plans Details [Line Items]
Common stock vesting percentage	50.00%