Discontinued operations (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Discontinued Operations Revenue, Net		$ 58,527
Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax		740
Discontinued Operations Income Tax Expense (Benefit)		604
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest	0	136
Hospice Disposal Group [Member]
Discontinued Operations Revenue, Net		48,357
Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax		1,214
Discontinued Operations Income Tax Expense (Benefit)		776
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest		438
Retail Disposal Group [Member]
Discontinued Operations Revenue, Net		10,170
Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax		(474)
Discontinued Operations Income Tax Expense (Benefit)		(172)
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest		$ (302)