Capital structure (Tables)

12 Months Ended

Dec. 31, 2022

Equity [Abstract]

Schedule of compliance with regulatory capital requirements

The following table sets forth the Bank's capital adequacy in accordance with the Basel III framework:

	December 31, 2022				December 31, 2021
	Actual		Regulatory minimum		Actual		Regulatory minimum
Capital
CET 1 capital	983,342		N/A		896,263		N/A
Tier 1 capital	983,342		N/A		896,263		N/A
Tier 2 capital	183,640		N/A		183,998		N/A
Total capital	1,166,982		N/A		1,080,261		N/A
Risk Weighted Assets	4,843,370		N/A		5,101,474		N/A
Leverage Ratio Exposure Measure	14,774,309		N/A		15,921,624		N/A
Capital Ratios (%)
CET 1 capital	20.3	%	10.0	%	17.6	%	10.0	%
Tier 1 capital	20.3	%	11.5	%	17.6	%	11.5	%
Total capital	24.1	%	13.5	%	21.2	%	13.5	%
Leverage ratio	6.7	%	5.0	%	5.6	%	5.0	%