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Equity (Details 2) (USD $) | 3 Months Ended | 6 Months Ended |  | 1 Months Ended | 6 Months Ended |  | 6 Months Ended | 1 Months Ended | 6 Months Ended |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jun. 30, 2012 | Jun. 30, 2011 | Jun. 30, 2012 partnership | Jun. 30, 2011 | Dec. 31, 2011 | Sep. 30, 2012 Dividend distributions | Aug. 31, 2012 Dividend distributions | Jul. 31, 2012 Dividend distributions | Jun. 30, 2011 Underwritten public offering | Jun. 30, 2012 Equity Distribution Agreement | Jun. 30, 2012 Shelf Registration | Jun. 30, 2012 Total Cumulative Preferred Stock | Jun. 30, 2011 Total Cumulative Preferred Stock | Jun. 30, 2012 Series C Cumulative Convertible Preferred Stock | Jun. 30, 2011 Series C Cumulative Convertible Preferred Stock | Jun. 30, 2011 Series F Cumulative Preferred Stock | Jun. 30, 2012 Common Stock | May 31, 2012 Common Stock | Apr. 30, 2012 Common Stock | Mar. 31, 2012 Common Stock | Feb. 29, 2012 Common Stock | Jan. 31, 2012 Common Stock | Jun. 30, 2011 Common Stock | May 31, 2011 Common Stock | Apr. 30, 2011 Common Stock | Mar. 31, 2011 Common Stock | Feb. 28, 2011 Common Stock | Jan. 31, 2011 Common Stock | Jun. 30, 2012 Common Stock | Jun. 30, 2011 Common Stock | Jun. 30, 2012 Conversion of noncontrolling interest item | Jul. 31, 2012 Conversion of noncontrolling interest
Equity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares outstanding | 2,000,000 |  | 2,000,000 |  | 2,000,000 |  |  |  |  |  |  |  |  | 2,000,000 |  | 3,536,530 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dividend Rate (as a percent) |  |  |  |  |  |  |  |  |  |  |  |  |  | 8.50% |  | 8.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares of common stock to be issued upon conversion |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Conversion price per share |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 19.25 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total shares reserved for issuance of common stock related to the conversion of preferred stock |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Liquidation Value Per share |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 25.00 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Redemption price (in dollars per share) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 25.1333 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income allocated to preferred stockholders | $ 818,000 | $ 818,000 | $ 1,636,000 | $ 7,442,000 |  |  |  |  |  |  |  |  |  |  |  | $ 3,566,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum aggregate offering price of shares authorized for issuance |  |  |  |  |  |  |  |  |  | 85,686,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount available under equity distribution agreement |  |  |  |  |  |  |  |  |  | 64,573,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock sold (in shares) |  |  |  |  |  |  |  |  | 3,990,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sale price of common stock (in dollars per share) |  |  |  |  |  |  |  |  | $ 27.25 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net proceeds |  |  |  |  |  |  |  |  | 103,667,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount available under effective shelf registration statement |  |  |  |  |  |  |  |  |  |  | 167,614,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum offering capacity under shelf registration statement |  |  |  |  |  |  |  |  |  |  | 400,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dividend Distributions |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Declared | 28,096,000 | 27,682,000 | 28,096,000 | 27,682,000 |  |  |  |  |  |  |  | 1,636,000 | 3,876,000 | 1,636,000 | 1,636,000 | 2,240,000 | 26,460,000 |  |  |  |  |  | 23,806,000 |  |  |  |  |  | 26,460,000 | 23,806,000 |  |
Paid |  |  | 28,096,000 | 29,450,000 |  |  |  |  |  |  |  | 1,636,000 | 5,644,000 | 1,636,000 | 1,636,000 | 4,008,000 |  |  |  |  |  |  |  |  |  |  |  |  | 26,460,000 | 23,806,000 |  |
Dividend declared per share per month |  |  |  |  |  | $ 0.155 | $ 0.155 | $ 0.145 |  |  |  |  |  |  |  |  | $ 0.145 | $ 0.145 | $ 0.145 | $ 0.145 | $ 0.145 | $ 0.145 | $ 0.14 | $ 0.14 | $ 0.14 | $ 0.14 | $ 0.14 | $ 0.14 |  |  |  |
Increase in dividend declared per share (as a percent) |  |  | 6.90% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Non-controlling Interests |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of limited partnerships |  |  | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Limited partnership, conversion basis |  |  | one-for-one basis |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of limited partners exercising conversion rights |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 |
Number of limited partners exchanging all of their 67,294 partnership units |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 |
Number of partnership units converted by first limited partner |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 67,294 |
Number of partnership units converted by second limited partner |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 22,000 |
Redemption notification of limited partnership units |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 89,294 |
Cash paid, redemption of non-controlling interest |  |  | 2,764,000 | 88,413,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,764,000 |
Margin added to the common stock price per share on redemption date to determine amount to be paid to limited partner |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0.05 |
Excess of redemption value over the book value |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,246,000 |
Number of partnership units converted |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3,294
Number of shares reserved under limited partnership agreement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 23,294 | 20,000
Partnership unit conversion price (per unit) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 17.00
Change from net income attributable and transfers from non-controlling interest |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income attributable to LTC Properties, Inc | 13,103,000 | 12,214,000 | 26,024,000 | 24,320,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Transfers from the non-controlling interest: Decrease in paid-in capital for limited partners conversion | (1,246,000) |  | (1,246,000) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Change from net income attributable to LTC Properties, Inc. and transfers from non-controlling interest | 11,857,000 | 12,214,000 | 24,778,000 | 24,320,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Carrying value of the partnership conversion rights | 406,000 |  | 406,000 |  | 1,962,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Market value of the partnership conversion rights | 855,000 |  | 855,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common Stock |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares authorized to be repurchased | 5,000,000 |  | 5,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares that must be repurchased for authorization to expire |  |  | 5,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Remaining number of shares authorized to be repurchased | 3,360,237 |  | 3,360,237 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other Equity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accumulated other comprehensive income | 169,000 |  | 169,000 |  | 199,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock option exercises (in shares) | 25,000 |  | 35,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total option value | 595,000 |  | 746,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Market value of stock options exercised | $ 831,000 |  | $ 1,136,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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