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PROGRAM CONTRACTS (Tables)
12 Months Ended
Dec. 31, 2016
PROGRAM CONTRACTS:  
Schedule of future payments required under program contracts
Future payments required under program contracts as of December 31, 2016 were as follows (in thousands):
 
2017
$
109,702

2018
21,844

2019
14,303

2020
10,924

2021
6,765

Total
163,538

Less: Current portion
109,702

Long-term portion of program contracts payable
$
53,836