Equity (Deficit) and Earnings (Loss) per Share - Non-controlling Interests (Details) $ / shares in Units, $ in Thousands	1 Months Ended	12 Months Ended
	Mar. 31, 2008 USD ($)	Dec. 31, 2015 USD ($) $ / shares shares	Dec. 31, 2014 USD ($) shares
Noncontrolling Interest [Line Items]
Cumulative unpaid distributions attributable to Preferred Units | $		$ 11,363	$ 9,091
Preferred Stock, shares issued		1	1
Venture
Noncontrolling Interest [Line Items]
Common stock owned by related party assuming redemption of all Operating Partnership units (in shares)		46,173,693
Voting power in the Company assuming redemption of all Operating Partnership units		91.50%
Proportionate Voting Preferred Stock
Noncontrolling Interest [Line Items]
Percentage of voting power of reporting entity		88.00%
Proportionate Voting Preferred Stock | Pacific Office Management
Noncontrolling Interest [Line Items]
Preferred Stock, shares issued		1
Non-Controlling Interests | Class A Common Stock
Noncontrolling Interest [Line Items]
Common Stock reserved for future issuance upon redemption of common and preferred units (in shares)		46,698,532
Preferred Units of Operating Partnership
Noncontrolling Interest [Line Items]
Ownership percentage by non-controlling owners		100.00%
Number of Common Units each Preferred Unit was convertible into (in common units)	7.1717
Minimum amount of underwritten public offering where Preferred Units become convertible | $	$ 75,000
Distribution at annual percentage of liquidation preference per Preferred Unit		2.00%
Liquidation preference per Preferred Unit (in usd per share) | $ / shares		$ 25
Cumulative unpaid distributions attributable to Preferred Units | $		$ 11,400
Common Units of Operating Partnership
Noncontrolling Interest [Line Items]
Ownership percentage by non-controlling owners		78.16%
Number of Class A Common Stock each Common Unit was redeemable into, upon conversion of Preferred Units		1
Redemption restriction period from Preferred Units conversion date (in years)	1 year
Common Units of Operating Partnership | General Partner
Noncontrolling Interest [Line Items]
Ownership percentage by non-controlling owners		21.84%
Common Units of Operating Partnership | Limited Partner
Noncontrolling Interest [Line Items]
Ownership percentage by non-controlling owners		78.16%