CONSOLIDATED STATEMENTS OF CAPITAL - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017
Increase (Decrease) in Partners' Capital [Roll Forward]
Beginning balance (in shares)			155,602,508
Cumulative adjustment related to adoption of ASU 2017-12					$ 0
Contributions			$ 2,691		3,870
Distributions			(2,088)		(74,836)
Proceeds from sale of common units, net of underwriters’ discount and transaction costs			(207)		647,382
Issuance of unrestricted units			0		0
Units withheld to satisfy tax withholding			(693)		(16,041)
Declared distributions			(78,705)		(158,544)
Amortization of unit-based compensation			9,147		15,915
Net income			71,942		93,925
Change in fair value of derivatives	$ 3,484	$ (2,760)	$ 12,997	$ 104	7,398
Redemption of common units					$ (310,855)
Ending balance (in shares)	155,647,733		155,647,733		155,602,508
Hudson Pacific Partners L.P.
Increase (Decrease) in Partners' Capital [Roll Forward]
Beginning balance			$ 3,910,964	3,702,750	$ 3,702,750
Cumulative adjustment related to adoption of ASU 2017-12					0
Contributions			2,691		3,870
Distributions			(2,088)		(74,836)
Proceeds from sale of common units, net of underwriters’ discount and transaction costs			(207)		647,382
Issuance of unrestricted units			0		0
Units withheld to satisfy tax withholding			(693)		(16,041)
Declared distributions			(78,705)		(158,544)
Amortization of unit-based compensation			9,147		15,915
Net income			71,942		93,925
Change in fair value of derivatives	$ 3,484	$ (2,760)	12,997	104	7,398
Redemption of common units					(310,855)
Ending balance	3,926,048		3,926,048		3,910,964
Hudson Pacific Partners L.P. | Total Partners’ Capital
Increase (Decrease) in Partners' Capital [Roll Forward]
Beginning balance			3,652,362	3,398,142	3,398,142
Contributions					0
Distributions					0
Proceeds from sale of common units, net of underwriters’ discount and transaction costs			(207)		647,382
Units withheld to satisfy tax withholding			(693)		(16,041)
Declared distributions			(78,705)		(158,544)
Amortization of unit-based compensation			9,147		15,915
Net income			65,452		68,965
Change in fair value of derivatives			12,997		7,398
Redemption of common units					(310,855)
Ending balance	3,660,353		3,660,353		3,652,362
Hudson Pacific Partners L.P. | Common Units
Increase (Decrease) in Partners' Capital [Roll Forward]
Beginning balance			$ 3,639,086	$ 3,392,264	$ 3,392,264
Beginning balance (in shares)			156,171,553	145,942,855	145,942,855
Cumulative adjustment related to adoption of ASU 2017-12					$ (231)
Proceeds from sale of common units, net of underwriters’ discount and transaction costs			$ (207)		$ 647,382
Proceeds from sale of common stock, net of underwriters' discount and transaction costs (in shares)					18,656,575
Issuance of unrestricted units			$ 0		$ 0
Issuance of unrestricted stock (in shares)			65,578		917,086
Units withheld to satisfy tax withholding			$ (693)		$ (16,041)
Units withheld to satisfy tax withholding (in shares)			(20,353)		(463,388)
Declared distributions			$ (78,705)		$ (158,544)
Amortization of unit-based compensation			9,147		15,915
Net income			65,452		68,965
Redemption of common units					$ (310,855)
Redemption of common units (in shares)					(8,881,575)
Ending balance	$ 3,633,849		$ 3,633,849		$ 3,639,086
Ending balance (in shares)	156,216,778		156,216,778		156,171,553
Hudson Pacific Partners L.P. | Accumulated Other Comprehensive Income
Increase (Decrease) in Partners' Capital [Roll Forward]
Beginning balance			$ 13,276	$ 5,878	$ 5,878
Cumulative adjustment related to adoption of ASU 2017-12					231
Change in fair value of derivatives			12,997		7,398
Ending balance	$ 26,504		26,504		13,276
Hudson Pacific Partners L.P. | Non-controlling Interest—Members in Consolidated Entities
Increase (Decrease) in Partners' Capital [Roll Forward]
Beginning balance			258,602	$ 304,608	304,608
Contributions			2,691		3,870
Distributions			(2,088)		(74,836)
Net income			6,490		24,960
Ending balance	$ 265,695		$ 265,695		$ 258,602