Discontinued Operations (Narrative) (Details)		3 Months Ended								12 Months Ended
	Jul. 01, 2014 USD ($) facility bed	Dec. 31, 2016 USD ($) center bed	Sep. 30, 2016 USD ($)	Jun. 30, 2016 USD ($)	Mar. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Sep. 30, 2015 USD ($)	Jun. 30, 2015 USD ($)	Mar. 31, 2015 USD ($)	Dec. 31, 2016 USD ($) center bed	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Apr. 03, 2014 center
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of nursing centers | center		76								76
Number of licensed nursing beds | bed		8,453								8,453
Income (loss) from discontinued operations, net of tax		$ (13,000)	$ (17,000)	$ 0	$ (37,000)	$ (328,000)	$ (238,000)	$ (299,000)	$ (263,000)	$ (67,000)	$ (1,128,000)	$ 3,258,000
Rose Terrace Nursing Center | Discontinued operations, disposed of by sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Additional rental payments	$ 1,900,000
Pretax gain on transaction										7,522,000
Tax expense associated with gain on sale of Rose Terrace Facility										2,793,000
Rose Terrace Nursing Center | Discontinued operations, disposed of by sale | West Virginia
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of nursing centers	2												2
Center revenues										0	0	10,961,000
Income (loss) from discontinued operations, net of tax										(51,000)	(225,000)	(26,000)
Rose Terrace Nursing Center | Discontinued operations, disposed of by sale | Culloden, WV
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of licensed nursing beds | bed	90
Sales price of Rose Terrace facility	$ 16,500,000
Rose Terrace Nursing Center | Discontinued operations, disposed of by sale | Danville and Ivydale, West Virginia
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of nursing centers | facility	2
Rose Terrace Nursing Center | Discontinued operations, disposed of by sale | Rose Terrace note | Commercial loan
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Balance of mortgage loan outstanding paid in conjunction with closing of the sale	$ 8,000,000
Other discontinued operations | Discontinued operations, disposed of by sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income (loss) from discontinued operations, net of tax										$ (16,000)	$ (903,000)	$ 3,284,000