Discontinued operations (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Proceeds from Divestiture of Businesses			$ 0	$ 7,114
Document Fiscal Year Focus			2015
Discontinued Operations Revenue, Net		$ 50,079		108,606
Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax		724		1,464
Discontinued Operations Income Tax Expense (Benefit)		195		799
Discontinued Operations Income (loss) from operations, after tax, before impairment		529		665
Discontinued Operations Impairment		39,804		39,804
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest	$ 0	(39,275)	$ 0	(39,139)
Hospice Disposal Group [Member]
Proceeds from Divestiture of Businesses					$ 65,000
Discontinued Operations Revenue, Net		49,551		97,908
Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax		1,900		3,114
Discontinued Operations Income Tax Expense (Benefit)		904		1,680
Discontinued Operations Income (loss) from operations, after tax, before impairment		996		1,434
Discontinued Operations Impairment		39,804		39,804
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest		(38,808)		(38,370)
Retail Disposal Group [Member]
Proceeds from Divestiture of Businesses				6,000
Discontinued Operations Revenue, Net		528		10,698
Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax		(1,176)		(1,650)
Discontinued Operations Income Tax Expense (Benefit)		(709)		(881)
Discontinued Operations Income (loss) from operations, after tax, before impairment		(467)		(769)
Discontinued Operations Impairment		0		0
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest		$ (467)		$ (769)