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Accounts Payable and Other Accrued Liabilities
12 Months Ended
Dec. 31, 2015
Payables and Accruals [Abstract]  
Accounts Payable and Other Accrued Liabilities
Accounts Payable and Other Accrued Liabilities
Accounts payable and other accrued liabilities consisted of the following (in thousands):
 
DECEMBER 31,
 
2015
 
2014
Accounts payable
$
23,513

 
$
21,863

Accrued liabilities
15,714

 
16,241

 
$
39,227

 
$
38,104