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Cash and Cash Equivalents
 12 Months Ended
Dec. 31, 2016
Cash, Cash Equivalents, and Short-term Investments [Abstract]  
Cash and Cash Equivalents
3. Cash and Cash Equivalents
Cash and cash equivalents consisted of the following (in thousands):
 
 
December 31,
 
 
2016
 
2015
Cash and cash equivalents:
 
 
 
 
Cash
 
$
38,053

 
$
38,474

Money market funds
 
20,069

 
20,010

Total cash and cash equivalents
 
$
58,122

 
$
58,484


As of December 31, 2016, the Company was required to maintain $25.0 million of unrestricted cash and cash equivalents deposited with two lenders in connection with its credit agreement as a compensating balance (see Note 6).
As of December 31, 2015, the Company was required to maintain $7.5 million in deposits in connection with its credit agreement with a lender as a compensating balance (see Note 6)
Restricted Cash
As of December 31, 2016 and 2015, the Company's restricted cash balance was not material. Restricted cash is included in 'Other assets' on the accompanying consolidated balance sheets.