ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES AND OTHER LIABILITIES (Tables)

3 Months Ended

Mar. 31, 2019

ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES AND OTHER LIABILITIES

Schedule of accrued expenses and other current liabilities

(in thousands)	As of March 31, 2019		As of December 31, 2018
Patient prepayments, deposits and refunds payable	$	24,187	$	24,563
Insurance and self-insurance accruals		8,610		8,886
Accrued sales taxes and other taxes		7,283		6,810
Accrued professional fees		3,685		3,751
Education expenses		2,315		—
Derivative liability		1,205		724
Accrued interest payable		487		332
Other current liabilities		5,539		6,717
Total accrued expenses and other current liabilities	$	53,311	$	51,783

Schedule of other liabilities

(inthousands)	As of March 31, 2019		As of December 31, 2018
Supplemental executive retirement plan obligations	$	18,661	$	20,195
Long-term insurance accruals		8,437		8,713
Derivative liability		6,515		3,134
Unrecognized tax benefits, and related interest and penalties		5,523		5,458
Asset retirement obligations		1,113		980
Deferred tenant improvement allowances		—		8,570
Deferred rent		—		4,455
Other		10		65
Total other liabilities	$	40,259	$	51,570