Organization and Summary of Significant Accounting Policies - Premises and Equipment (Details)	3 Months Ended
Sep. 30, 2021
Software
Property, Plant and Equipment [Line Items]
Estimated lives (in years)	P3Y
Minimum \| Premises
Property, Plant and Equipment [Line Items]
Estimated lives (in years)	P7Y
Minimum \| Equipment
Property, Plant and Equipment [Line Items]
Estimated lives (in years)	P3Y
Maximum \| Premises
Property, Plant and Equipment [Line Items]
Estimated lives (in years)	P40Y
Maximum \| Equipment
Property, Plant and Equipment [Line Items]
Estimated lives (in years)	P7Y

Describes the periods of time over which an entity anticipates to receive utility from its property, plant and equipment (that is, the periods of time over which an entity allocates the initial cost of its property, plant and equipment).

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 35
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=68071081&loc=d3e1205-110223

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=84158767&loc=d3e18780-107790

Name:	us-gaap_PropertyPlantAndEquipmentEstimatedUsefulLives
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration