Supplementary Regulatory Capital Disclosure (Tables)

6 Months Ended

Jun. 30, 2023

Debt Disclosure [Abstract]

Schedule of Compliance With Regulatory Capital Requirements Under Banking Regulations

The following table presents WEX Bank’s actual and regulatory minimum capital amounts and ratios:

(In millions)	Actual Amount		Ratio		Minimum for Capital Adequacy Purposes Amount		Ratio		Minimum to Be Well Capitalized Under Prompt Corrective Action Provisions Amount		Ratio
June 30, 2023
Total Capital to risk-weighted assets	$	728.8	15.87	%	$	367.4	8.00	%	$	459.3	10.00	%
Tier 1 Capital to average assets	$	671.2	10.72	%	$	250.5	4.00	%	$	313.2	5.00	%
Common equity to risk-weighted assets	$	671.2	14.62	%	$	206.7	4.50	%	$	298.5	6.50	%
Tier 1 Capital to risk-weighted assets	$	671.2	14.62	%	$	275.6	6.00	%	$	367.4	8.00	%
December 31, 2022
Total Capital to risk-weighted assets	$	595.6	15.16	%	$	314.4	8.00	%	$	393.0	10.00	%
Tier 1 Capital to average assets	$	546.2	10.22	%	$	213.7	4.00	%	$	267.1	5.00	%
Common equity to risk-weighted assets	$	546.2	13.90	%	$	176.8	4.50	%	$	255.4	6.50	%
Tier 1 Capital to risk-weighted assets	$	546.2	13.90	%	$	235.8	6.00	%	$	314.4	8.00	%