Discontinued Operations - Revenues and Expenses of Discontinued Operations (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended																12 Months Ended
	Dec. 31, 2014		Sep. 30, 2014		Jun. 30, 2014		Mar. 31, 2014		Dec. 31, 2013		Sep. 30, 2013		Jun. 30, 2013		Mar. 31, 2013		Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Revenues [Abstract]
Income from office and parking properties																	$ 99	$ 14,976	$ 34,345
Total Revenues																	99	14,976	34,345
Expenses
Operating expenses																	373	6,835	15,029
Management company expense																	1	(39)	350
Interest expense																	0	485	6,143
(Gain) loss on extinguishment of debt																	0	2,149	(1,494)
Non-cash expense on interest rate swap																	0	0	(215)
Depreciation and amortization																	116	4,561	7,843
Impairment loss																	0	10,200	3,500
Total Expenses																	490	24,191	31,156
Equity in loss of unconsolidated joint ventures																	0	0	(19)
Income (loss) from discontinued operations	(9)		(289)		(50)		(43)		(1,684)		(4,863)		(3,628)		960		(391)	(9,215)	3,170
Gain on Sale																	10,463	32,493	12,938
Total discontinued operations	(9)	[1]	(289)	[1]	(50)	[1]	10,420	[1]	18,722	[1]	6,682	[1]	(3,628)	[1]	1,502	[1]	10,072	23,278	16,108
Net (income) loss attributable to noncontrolling interest from discontinued operations																	(352)	(13,443)	(4,820)
Total discontinued operations – Parkway's Share																	$ 9,720	$ 9,835	$ 11,288

[1] The amounts presented for the three months ended March 31, 2013, June 30, 2013 and September 30, 2013 differ from the amounts previously reported in the Company's Quarterly Reports on Form 10-Q as a result of discontinued operations consisting of properties sold in 2013 or classified as held for sale as of December 31, 2013.