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Expected Credit Losses (Tables)
6 Months Ended
Jun. 30, 2020
Expected Credit Losses  
Schedule of roll-forward of allowance for credit losses

The following table provides a roll-forward of the allowance for expected credit losses that is deducted from the amortized cost basis of accounts receivable, notes receivable, and contract assets to present the net amount expected to be collected (in thousands):

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​

​

​

​

​

​

​

​

​

​

​

    

Six Months Ended June 30, 2020

​

​

​

United States

​

​

Other countries

​

​

Total

Balance, beginning of period

​

$

1,395

​

$

172

​

$

1,567

Adoption of Topic 326, cumulative-effect adjustment to retained earnings

​

​

767

​

​

1

​

​

768

Provision for expected credit losses

​

​

472

​

​

78

​

​

550

Amounts written off charged against the allowance

​

​

(56)

​

​

(2)

​

​

(58)

Other, including dispositions and foreign currency translation

​

 

-

​

 

(12)

​

 

(12)

Balance, end of period

​

$

2,578

​

$

237

​

$

2,815

Schedule of allowance for expected credit losses for each type of customer receivable

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​

​

​

​

​

​

June 30,

​

    

2020

Accounts receivable and notes receivable, current

​

$

1,672

Contract assets, net

​

 

608

Long-term notes receivable, net of current portion

​

 

535

Total allowance for expected credit losses on customer receivables

​

$

2,815