Schedule II - Valuation of Qualifying Accounts of Continuing Operations (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Jun. 30, 2019	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Valuation allowance	$ 20,000
Allowance for doubtful accounts
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Period		$ 0	$ 14,235	$ 10,326
Impact of ASC 606 Adoption		0	(14,235)	0
Charged to Costs and Expenses		0	0	8,958
Payments		0	0	(5,049)
Balance at End of Period		0	0	14,235
Professional Liability Reserve
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Period		27,201	20,057	19,977
Charged to Costs and Expenses		10,435	8,865	7,935
Charged to Other Accounts		0	0	0
Other		(3,020)	5,475	0
Payments		(7,226)	(7,196)	(7,855)
Balance at End of Period		27,390	27,201	20,057
Workers Compensation Reserve
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Period		618	867	171
Charged to Costs and Expenses		400	(18)	995
Charged to Other Accounts		0	0	0
Other		0	0	0
Payments		(97)	(231)	(299)
Balance at End of Period		921	618	867
Health Insurance Reserve
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Period		1,396	1,326	1,019
Charged to Costs and Expenses		16,733	14,369	13,769
Charged to Other Accounts		0	0	0
Other		0	0	0
Payments		(16,319)	(14,299)	(13,462)
Balance at End of Period		1,810	1,396	1,326
Deferred Tax Valuation Allowance
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Period		228	377	732
Charged to Other Accounts		21,657	0	0
Payments		0	(149)	(355)
Balance at End of Period		$ 21,885	$ 228	$ 377