XML 41 R30.htm IDEA: XBRL DOCUMENT
v3.20.2

ACCOUNTS RECEIVABLE AND SIGNIFICANT CLIENTS (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2020
ACCOUNTS RECEIVABLE AND SIGNIFICANT CLIENTS [Abstract] |
Schedule of Change in Allowance for Doubtful Accounts | Activity in the Company’s Allowance for credit losses consists of the following (in thousands):
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended September 30, | ​ | Nine Months Ended September 30, |
​ |  | 2020 |  | 2019 |  | 2020 |  | 2019 |
Balance, beginning of period | ​ | $ | 5,795 | ​ | $ | 5,495 | ​ | $ | 5,452 | ​ | $ | 5,592 | ​
Provision for credit losses | ​ |  | 44 | ​ |  | — | ​ |  | 563 | ​ | ​ | — | ​
Uncollectible receivables written-off | ​ |  | (806) | ​ |  | (1,701) | ​ |  | (939) | ​ | ​ | (1,716) | ​
Effect of foreign currency | ​ |  | 24 | ​ |  | (13) | ​ |  | (19) | ​ | ​ | (95) | ​
Balance, end of period | ​ | $ | 5,057 | ​ | $ | 3,781 | ​ | $ | 5,057 | ​ | $ | 3,781 | ​

X
- References No definition available. + Details
Name: | ttec_AccountsReceivableAndSignificantClientsAbstract
Namespace Prefix: | ttec_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of allowance for credit loss on financing receivable. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953423-111524 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919249-210447 + Details
Name: | us-gaap_AllowanceForCreditLossesOnFinancingReceivablesTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration