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SCHEDULE II - CONSOLIDATED VALUATION AND QUALIFYING ACCOUNTS
 12 Months Ended
Dec. 31, 2018
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]  
SCHEDULE II - CONSOLIDATED VALUATION AND QUALIFYING ACCOUNTS
SCHEDULE II - CONSOLIDATED VALUATION AND QUALIFYING ACCOUNTS

Allowance for Doubtful Accounts
 
 (amounts in thousands)
Balance at
Beginning of
Period
Charged to
Expense
Deductions
Balance at
End of
Period
    
Year Ended Year Ended December 31, 20181,550 1,208 (422) 2,336 
Year Ended Year Ended December 31, 20171,242 1,395 (1,087) 1,550