Short-Term and Long-Term Debt, Including Capital Leases (Tables)
 12 Months Ended
Dec. 31, 2015
Debt Disclosure [Abstract]  
Long-term debt instruments
Long-term debt consisted of the following at December 31, 2015 and 2014:
December 31,
2015
 
2014
 
(In thousands)
Credit Facility
$
243,667

 
$
155,002

Capital lease obligations
3,615

 
1,809

Total long-term debt and capital leases
247,282

 
156,811

Less: portion of Credit Facility classified as short-term
(19,958
)
 
(2,002
)
Less: current installments of capital leases
(1,959
)
 
(763
)
Total long-term debt and capital leases, less current installments
$
225,365

 
$
154,046
Schedule of maturities of long-term debt
Principal repayments of long-term debt, including current portions and capital leases, as of December 31, 2015 are expected to be as follows, assuming no prepayments or extensions beyond the stated maturity:
 
Long-term Debt
 
Capital Lease Obligations
 
Total
Year Ending December 31,
(In thousands)
2016
$
19,958

 
$
2,011

 
$
21,969

2017
—

 
971

 
971

2018
223,709

 
338

 
224,047

2019
—

 
290

 
290

2020
—

 
5

 
5

Total
$
243,667

 
$
3,615

 
$
247,282