Investments in Other Entities - Equity Method - Summarized Balance Sheets and Statements of Income (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
LaSalle Medical Associates
Assets
Cash and cash equivalents	$ 0		$ 6,345
Receivables, net	8,901		5,124
Other current assets	3,380		3,526
Loan receivable	2,250		2,250
Restricted cash	686		683
Total assets	15,217		17,928
Liabilities and Stockholders’ (Deficit) Equity
Current liabilities	23,390		23,530
Stockholders’ deficit	(8,173)		(5,602)
Total liabilities and stockholders’ deficit	15,217		17,928
Statements of Operations
Revenues	46,304	$ 46,406
Expenses	48,730	50,702
Net income (loss)	(2,426)	(4,296)
Universal Care, Inc.
Assets
Cash and cash equivalents	34,757		33,890
Receivables, net	83,454		63,843
Other current assets	43,417		38,280
Other assets	885		882
Property and equipment, net	4,429		4,021
Total assets	166,942		140,916
Liabilities and Stockholders’ (Deficit) Equity
Current liabilities	148,902		128,330
Other liabilities	33,126		33,133
Stockholders’ deficit	(15,086)		(20,547)
Total liabilities and stockholders’ deficit	166,942		140,916
Statements of Operations
Revenues	146,481	113,319
Expenses	141,771	111,408
Income before benefit from income taxes	4,710	1,911
Benefit from income taxes	0	(211)
Net income (loss)	4,710	2,122
513 W. College LLC
Assets
Cash and cash equivalents	48		139
Other current assets	124		17
Other assets	70		70
Property and equipment, net	33,697		33,581
Total assets	33,939		33,807
Liabilities and Stockholders’ (Deficit) Equity
Current liabilities	1,114		1,062
Stockholders’ deficit	32,825		32,745
Total liabilities and stockholders’ deficit	33,939		$ 33,807
Statements of Operations
Revenues	0	0
Expenses	338	469
Loss from operations	(338)	(469)
Other income	21	289
Net income (loss)	$ (317)	$ (180)