REGULATORY CAPITAL REQUIREMENTS - SCHEDULE OF CAPITAL AMOUNTS, RATIOS, AND REQUIREMENTS UNDER BASEL III (Details) $ in Thousands	Jun. 30, 2024 USD ($)	Jun. 30, 2023 USD ($)
Regulatory Capital:
Tier 1	$ 2,167,781	$ 1,796,352
Common equity tier 1	2,167,781	1,796,352
Total capital	2,678,489	2,269,237
Assets:
Average adjusted	22,979,871	20,059,002
Total risk-weighted	$ 18,049,571	$ 16,414,213
Regulatory Capital Ratios:
Tier 1 leverage (core) capital to adjusted average assets, Ratio	0.0943	0.0896
Tier 1 leverage (core) capital to adjusted average assets, Well Capitalized Ratio	0.0500
Tier 1 leverage (core) capital to adjusted average assets, Minimum Capital Ratio	0.0400
Common equity tier 1 capital (to risk-weighted assets), Ratio	12.01%	10.94%
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	0.1201	0.1094
Tier 1 capital (to risk-weighted assets), Well Capitalized Ratio	0.0800
Tier 1 capital (to risk-weighted assets), Minimum Capital Ratio	0.0600
Total capital (to risk-weighted assets), Ratio	0.1484	0.1382
Total capital (to risk-weighted assets), Well Capitalized Ratio	0.1000
Total capital (to risk-weighted assets), Minimum Capital Ratio	0.0800
Axos Bank
Regulatory Capital:
Tier 1	$ 2,181,426	$ 1,866,705
Common equity tier 1	2,181,426	1,866,705
Total capital	2,365,061	2,007,006
Assets:
Average adjusted	22,391,541	19,284,378
Total risk-weighted	$ 17,128,880	$ 16,054,633
Regulatory Capital Ratios:
Tier 1 leverage (core) capital to adjusted average assets, Ratio	0.0974	0.0968
Common equity tier 1 capital (to risk-weighted assets), Ratio	12.74%	11.63%
Tier 1 capital (to risk-weighted assets), Ratio	0.1274	0.1163
Total capital (to risk-weighted assets), Ratio	0.1381	0.1250

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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/1943274/2147477270/942-505-50-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
-SubTopic 505
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477270/942-505-50-1B

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