Leases - Schedule of Supplemental Cash Flow Information Related to Leases (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2019 USD ($)
Cash paid for amounts included in the measurement of lease liabilities
Operating cash flow attributable to operating leases	$ (1,547)
Operating cash flow attributable to finance leases	(2)
Financing cash flows attributable to finance leases	(11)
Supplemental noncash information:
Right-of-use assets obtained in exchange for operating lease liabilities	48,972	[1]
Right-of-use assets obtained in exchange for finance lease liabilities	$ 181	[1]

[1] No new leases were entered into during the three months ended March 31, 2019. Amounts shown are due to the adoption of ASC 842 and reflect balances as of January 1, 2019 for the Healthcare segment and as of March 8, 2019 for the Nutrition segment (i.e., the date of our acquisition of Nutrisystem).