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REVENUE RECOGNITION AND RECEIVABLES (Tables)
3 Months Ended
Mar. 31, 2020
REVENUE RECOGNITION AND RECEIVABLES  
Summary of contracts asset and liabilities

Contract assets and liabilities consisted of the following (in thousands):

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​

​

​

​

​

​

​

​

​

​

​

​

​

March 31, 2020

​

December 31, 2019

​

​

$ Change

​

% Change

Contract asset – current

$

2,375

​

$

2,413

​

$

(38)

​

(2)

%

Contract asset – noncurrent

​

816

​

​

905

​

​

(89)

​

(10)

%

Contract liability – current

​

(19,371)

​

​

(15,044)

​

​

(4,327)

​

29

%

Contract liability – noncurrent

​

(5,193)

​

​

(5,450)

​

​

257

​

(5)

%

Net contract liability

$

(21,373)

​

$

(17,176)

​

$

(4,197)

​

24

%

Schedule of activity in allowances for credit losses

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​

​

​

​

​

    

Three months ended March 31, 2020

​

​

​

​

Balance at January 1, 2020

 

$

12,724

Current period provision for expected losses

 

​

1,260

Write-offs charged against the allowance

 

​

(1,525)

Recoveries collected

​

​

208

Balance at March 31, 2020

​

$

12,667