MINIMUM REGULATORY CAPITAL REQUIREMENTS - CAPITAL AMOUNTS, RATIOS, AND REQUIREMENTS UNDER BASEL III (Details) $ in Thousands	Jun. 30, 2023 USD ($)	Jun. 30, 2022 USD ($)
Regulatory Capital:
Tier 1	$ 1,796,352	$ 1,522,478
Common equity tier 1	1,796,352	1,522,478
Total capital (to risk-weighted assets)	2,269,237	1,965,578
Assets:
Average adjusted	20,059,002	16,460,684
Total risk-weighted	$ 16,414,213	$ 15,443,152
Regulatory Capital Ratios:
Tier 1 leverage (core) capital to adjusted average assets, Ratio	0.0896	0.0925
Tier 1 leverage (core) capital to adjusted average assets, Well Capitalized Ratio	0.050
Tier 1 leverage (core) capital to adjusted average assets, Minimum Capital Ratio	0.040
Common equity tier 1 capital (to risk-weighted assets), Ratio	10.94%	9.86%
Common equity tier 1 capital (to risk-weighted assets), Well Capitalized Ratio	6.50%
Common equity tier 1 capital (to risk-weighted assets), Minimum Capital Ratio	4.50%
Tier 1 capital (to risk-weighted assets), Ratio	0.1094	0.0986
Tier 1 capital (to risk-weighted assets), Well Capitalized Ratio	0.080
Tier 1 capital (to risk-weighted assets), Minimum Capital Ratio	0.0600
Total capital (to risk-weighted assets), Ratio	0.1382	0.1273
Total capital (to risk-weighted assets), Well Capitalized Ratio	0.1000
Total capital (to risk-weighted assets), Minimum Capital Ratio	0.080
Axos Bank
Regulatory Capital:
Tier 1	$ 1,866,705	$ 1,615,012
Common equity tier 1	1,866,705	1,615,012
Total capital (to risk-weighted assets)	2,007,006	1,725,528
Assets:
Average adjusted	19,284,378	15,164,797
Total risk-weighted	$ 16,054,633	$ 14,366,457
Regulatory Capital Ratios:
Tier 1 leverage (core) capital to adjusted average assets, Ratio	0.0968	0.1065
Common equity tier 1 capital (to risk-weighted assets), Ratio	11.63%	11.24%
Tier 1 capital (to risk-weighted assets), Ratio	0.1163	0.1124
Total capital (to risk-weighted assets), Ratio	0.1250	0.1201

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Tier One Common Equity

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
-SubTopic 505
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)(1)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480696/942-505-50-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
-SubTopic 505
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Publisher FASB
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