FINANCIAL ASSETS INVESTMENTS AND DERIVATIVES - Notional amount and fair value of financial assets investments (Details) - Dec. 31, 2021 - Fair value hedges - Derivative financial instruments - Financial assets investments $ in Thousands, $ in Millions	COP ($)	USD ($)
FINANCIAL ASSETS INVESTMENTS AND DERIVATIVES
Notional amount	$ 316,701	$ 79,550
Fair value	$ 333,407	$ 83,746

FINANCIAL ASSETS INVESTMENTS AND DERIVATIVES - Notional amount and fair value of financial assets investments (Details) - Dec. 31, 2021 - Fair value hedges - Derivative financial instruments - Financial assets investments
$ in Thousands, $ in Millions

COP ($)

USD ($)

FINANCIAL ASSETS INVESTMENTS AND DERIVATIVES

Notional amount

$ 316,701

$ 79,550

Fair value

$ 333,407

$ 83,746