Consolidated Statements of Equity (Unaudited) (USD $)
In Thousands, except Share data
Common Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
Officer [Member]
Retained Earnings [Member]
Accumulated Other Comprehensive Income (Loss) [Member]
Noncontrolling Interest [Member]
Officer [Member]
Total
Balance at Dec. 31, 2014 $ 9 $ 1,013,561   $ (80,976) $ (8,882) $ 39,070   $ 962,782
Balance (in Shares) at Dec. 31, 2014 92,991,333             92,991,333
Shares issued under the 2009 Plan (in Shares) 360,627              
Repurchase of common stock   (1,307)           (1,307)
Repurchase of common stock (in Shares) (77,964)             0
Cancellation of restricted stock units (in Shares) (1,332)              
Stock based compensation expense   882           882
Adjustment to non-controlling interests ownership in Operating Partnership   (107)       107    
Proceeds from the sale of common stock   9,936           9,936
Proceeds from the sale of common stock (in Shares) 544,567              
Registration expenditures   (171)           (171)
Cash dividends     (40) (15,903)   (666) (40) (16,569)
Net income attributable to Retail Opportunity Investments Corp.       4,200       4,200
Net income attributable to non-controlling interests           176   176
Other comprehensive income         534     534
Balance at Mar. 31, 2015 $ 9 $ 1,022,794   $ (92,719) $ (8,348) $ 38,687   $ 960,423
Balance (in Shares) at Mar. 31, 2015 93,817,231             93,817,231