v3.2.0.727

STOCKHOLDERS' EQUITY - Capital Stock (Details) - USD ($) $ in Thousands | 1 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jul. 24, 2015 | Jun. 30, 2015 | Jan. 31, 2015 | Jun. 30, 2015 | Dec. 31, 2014
Business Acquisition [Line Items] |  |  |  |  |
Issuance of common stock, shares |  | 1,051,664 | 3,750,202 |  |
Proceeds for the issuance of common stock |  | $ 66,900 | $ 285,400 | $ 352,167 | $ 242,107
Sales agent commissions for common stock sales |  | 1,000 | $ 4,400 |  |
Common stock reserved for future issuance, amount (up to $1.0 Billion) |  | $ 1,000,000 |  | 1,000,000 |
Common Stock |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Proceeds for the issuance of common stock |  |  |  | $ 1,201 | $ 845
American Realty Capital Healthcare Trust | Common Stock |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Business acquisition, equity interest issued, number of shares |  |  | 28,400,000 |  |
American Realty Capital Healthcare Trust | Limited Partnership Units |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Business acquisition, equity interest issued, number of shares |  |  | 1,100,000 |  |
Subsequent Event |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Issuance of common stock, shares | 579,652 |  |  |  |
Proceeds for the issuance of common stock | $ 36,400 |  |  |  |
Sales agent commissions for common stock sales | $ 600 |  |  |  |

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