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v3.19.3.a.u2

Accounts Receivable | 12 Months Ended
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Dec. 31, 2019
Accounts Receivable |
Accounts Receivable | 6. Accounts Receivable Accounts receivable consisted of the following at December 31:
(in thousands) |  | 2019 |  | 2018
Contract receivables |  | $ | 385,744 |  | $ | 282,283
Other |  |  | 6,099 |  |  | 7,475
|  |  | 391,843 |  |  | 289,758
Less: allowance for doubtful accounts |  |  | (3,364) |  |  | (1,331)
|  | $ | 388,479 |  | $ | 288,427
The roll-forward of activity in the allowance for doubtful accounts was as follows for the years ended December 31:
(in thousands) |  | 2019 |  | 2018 |  | 2017
Balance at beginning of period |  | $ | 1,331 |  | $ | 605 |  | $ | 432
Less: reduction in (provision for) allowances |  |  | (2,532) |  |  | (860) |  |  | (263)
Less: write offs, net of recoveries |  |  | 501 |  |  | 123 |  |  | 92
Change in foreign currency translation |  |  | (2) |  |  | 11 |  |  | (2)
Balance at end of period |  | $ | 3,364 |  | $ | 1,331 |  | $ | 605

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- Definition The entire disclosure for claims held for amounts due a entity, excluding financing receivables. Examples include, but are not limited to, trade accounts receivables, notes receivables, loans receivables. Includes disclosure for allowance for credit losses. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -URI http://asc.fasb.org/subtopic&trid=2196772 + Details
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- References No definition available. + Details
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