Subsequent Events (Details) (USD $)	3 Months Ended					0 Months Ended				0 Months Ended								0 Months Ended
	Mar. 31, 2014 sqft	Mar. 31, 2013	Jul. 08, 2014 Subsequent Event	Apr. 08, 2014 Subsequent Event	Apr. 02, 2014 Subsequent Event	Apr. 02, 2014 Line of Credit Subsequent Event Revolving Credit Facility	Apr. 02, 2014 Five-year Term Loan Unsecured Debt Subsequent Event	Apr. 02, 2014 Seven-year Term Loan Unsecured Debt Subsequent Event Draw	Apr. 02, 2014 Amended Working Capital Revolving Credit Facility Subsequent Event Revolving Credit Facility	Apr. 10, 2014 FLORIDA Courvoisier Centre Subsequent Event sqft Property	Apr. 14, 2014 FLORIDA One Orlando Center Subsequent Event sqft	Apr. 14, 2014 First Mortgage FLORIDA One Orlando Center Subsequent Event	Apr. 14, 2014 Second Mortgage FLORIDA One Orlando Center Subsequent Event	Apr. 14, 2014 Hayden Ferry Lakeside II Subsequent Event	Mar. 31, 2014 Wells Fargo Bank Unsecured Revolving Credit Facility	Mar. 31, 2014 Wells Fargo Bank Unsecured Term Loan $120 million		Apr. 02, 2014 Bank of America Center First Mortgage Subsequent Event	Oct. 02, 2012 Key Bank Unsecured Term Loan	Mar. 31, 2014 Key Bank Unsecured Term Loan $125 million		Apr. 02, 2014 Cash Flow Hedging Designated as Hedging Instrument Key Bank Subsequent Event Unsecured Term Loan Swap	Apr. 14, 2014 Asset under Construction Hayden Ferry Lakeside II Subsequent Event sqft
Subsequent Event [Line Items]
Maximum borrowing capacity						$ 250,000,000.0	$ 250,000,000.0	$ 100,000,000.0	$ 10,000,000.0
Debt instrument face amount												54,000,000	15,300,000		215,000,000	120,000,000				125,000,000
Term of debt extension option						1 year
Term of debt instrument							5 years	7 years
Number of draws allowed over 12-month period								2
Repayment of the first mortgage debt																		34,200,000
Number of floating-to-fixed interest rate swap																						2
Loan amount	245,000,000														0	120,000,000	[1]			125,000,000	[2]
Notional amount				100,000,000.0	5,000,000.0														125,000,000			125,000,000.0
Fixed rate on derivative				2.60%	1.70%
Amount of floating-to-fixed interest rate swap terminated			33,900,000
Interest rate swap agreements				1,900,000
Number of real estate properties										2
Area of real estate property (in square feet)	3,073,000									346,000	356,000												261,000
Acquisition purchase price										145,800,000	55,000,000
Properties occupancy percentage										83.40%	81.30%
Parkway's Ownership %														70.00%
Investment in unconsolidated joint ventures, net	4,000,000	0									8,000,000
Face amount of debt instrument												$ 68,300,000

[1] Effective June 12, 2013, the Company entered into a new floating-to-fixed interest rate swap associated with the Term Loan Facility totaling $120 million, locking LIBOR at 1.6% for five years. The loan bears interest at LIBOR plus the applicable spread which ranges between 145 to 220 basis points based on overall Company leverage. The current spread associated with the loan is 1.7% resulting in an all-in rate of 3.3%.

[2] Effective October 1, 2012, the Company executed two floating-to-fixed interest rate swaps associated with the Unsecured Term Loan totaling $125 million, locking LIBOR at 0.7% for five years. The loan bears interest at LIBOR plus the applicable spread which ranges between 150 to 225 basis points based on overall Company leverage. The current spread associated with the loan is 1.75% resulting in an all-in rate of 2.45%.