DERIVATIVES (NOTIONAL TABLE) (Details) ₱ in Thousands, $ in Thousands, $ in Thousands, $ in Thousands	Sep. 30, 2021 CAD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2021 PHP (₱)	Sep. 30, 2021 MXN ($)	Dec. 31, 2020 CAD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2020 PHP (₱)	Dec. 31, 2020 MXN ($)
Derivative [Line Items]
Notional Amount		$ 28,300				$ 35,500
CAD
Derivative [Line Items]
Contract Maturity Date	Jun. 30, 2022
PHP
Derivative [Line Items]
Contract Maturity Date	Sep. 30, 2024
MXN
Derivative [Line Items]
Contract Maturity Date	Dec. 31, 2024
Foreign Exchange Forward
Derivative [Line Items]
Notional Amount		214,492				184,719
Foreign Exchange Forward | CAD
Derivative [Line Items]
Notional Amount	$ 4,500	$ 3,533			$ 2,450	1,853
% Maturing in the Next 12 Months	100.00%	100.00%	100.00%	100.00%
Foreign Exchange Forward | PHP
Derivative [Line Items]
Notional Amount		$ 152,318	₱ 7,841,000			130,468	₱ 6,725,000
% Maturing in the Next 12 Months	52.80%	52.80%	52.80%	52.80%
Foreign Exchange Forward | MXN
Derivative [Line Items]
Notional Amount		$ 58,641		$ 1,313,500		$ 52,398		$ 1,159,500
% Maturing in the Next 12 Months	42.90%	42.90%	42.90%	42.90%