Accounting Policies - Net Investment in Direct Financing Lease (Details) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
|
Dec. 31, 2015
USD ($)
property
|
Dec. 31, 2014
USD ($)
property
|
Dec. 31, 2013
USD ($)
|
|
| Financing Lease [Line Items] | |||
| Income from investments in direct financing leases | $ 2.4 | $ 2.4 | $ 2.4 |
| Future minimum lease payments due, 2016 | 2.1 | ||
| Future minimum lease payments due, 2017 | 2.1 | ||
| Future minimum lease payments due, 2018 | 2.2 | ||
| Future minimum lease payments due, 2019 | 2.2 | ||
| Future minimum lease payments due, 2020 | 2.3 | ||
| Future minimum lease payments due, thereafter | $ 26.8 | ||
| Skilled Nursing Facilities | |||
| Financing Lease [Line Items] | |||
| Number of properties under Lease Agreement | property | 1 | 6 | |