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Deposits
 12 Months Ended
Dec. 31, 2019
Deposits [Abstract]  
Deposits
5.
Deposits and prepaid health insurance
Deposits and prepaid health insurance consisted of the following:
 
December 31,
(in thousands)
2019
 
2018
 
 
 
 
Prepaid health insurance
$
9,000

 
$
9,000

Deposits – health insurance
8,100

 
6,200

Deposits – workers’ compensation
175,913

 
166,474

Deposits and prepaid health insurance
$
193,013

 
$
181,674


The contractual arrangement with United for health insurance coverage requires us to maintain an accumulated cash surplus in the plan of $9.0 million, which is reported as long-term prepaid health insurance. Please read Note 1, “Accounting Policies,” for a discussion of our accounting policies for health insurance costs and workers’ compensation costs.