Loans Receivable and Allowance for Credit Losses (Modifications, Performance) (Details) $ in Thousands	Jun. 30, 2024 USD ($)
Financing Receivable, Modified [Line Items]
Amortized Cost, Modified, after 12 Months	$ 10,146
Financial Asset, Past Due [Member]
Financing Receivable, Modified [Line Items]
Amortized Cost, Modified, after 12 Months	2,284
Financial Asset, 30 to 89 Days Past Due [Member]
Financing Receivable, Modified [Line Items]
Amortized Cost, Modified, after 12 Months	2,079
Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Financing Receivable, Modified [Line Items]
Amortized Cost, Modified, after 12 Months	205
Financial Asset, Not Past Due [Member]
Financing Receivable, Modified [Line Items]
Amortized Cost, Modified, after 12 Months	7,862
One- to Four-Family Segment [Member] | Originated [Member]
Financing Receivable, Modified [Line Items]
Amortized Cost, Modified, after 12 Months	7,737
One- to Four-Family Segment [Member] | Originated [Member] | Financial Asset, Past Due [Member]
Financing Receivable, Modified [Line Items]
Amortized Cost, Modified, after 12 Months	2,052
One- to Four-Family Segment [Member] | Originated [Member] | Financial Asset, 30 to 89 Days Past Due [Member]
Financing Receivable, Modified [Line Items]
Amortized Cost, Modified, after 12 Months	1,847
One- to Four-Family Segment [Member] | Originated [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Financing Receivable, Modified [Line Items]
Amortized Cost, Modified, after 12 Months	205
One- to Four-Family Segment [Member] | Originated [Member] | Financial Asset, Not Past Due [Member]
Financing Receivable, Modified [Line Items]
Amortized Cost, Modified, after 12 Months	5,685
One- to Four-Family Segment [Member] | Correspondent Purchased [Member]
Financing Receivable, Modified [Line Items]
Amortized Cost, Modified, after 12 Months	1,731
One- to Four-Family Segment [Member] | Correspondent Purchased [Member] | Financial Asset, Past Due [Member]
Financing Receivable, Modified [Line Items]
Amortized Cost, Modified, after 12 Months	182
One- to Four-Family Segment [Member] | Correspondent Purchased [Member] | Financial Asset, 30 to 89 Days Past Due [Member]
Financing Receivable, Modified [Line Items]
Amortized Cost, Modified, after 12 Months	182
One- to Four-Family Segment [Member] | Correspondent Purchased [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Financing Receivable, Modified [Line Items]
Amortized Cost, Modified, after 12 Months	0
One- to Four-Family Segment [Member] | Correspondent Purchased [Member] | Financial Asset, Not Past Due [Member]
Financing Receivable, Modified [Line Items]
Amortized Cost, Modified, after 12 Months	1,549
Commercial Segment [Member] | Commercial Real Estate [Member]
Financing Receivable, Modified [Line Items]
Amortized Cost, Modified, after 12 Months	192
Commercial Segment [Member] | Commercial Real Estate [Member] | Financial Asset, Past Due [Member]
Financing Receivable, Modified [Line Items]
Amortized Cost, Modified, after 12 Months	50
Commercial Segment [Member] | Commercial Real Estate [Member] | Financial Asset, 30 to 89 Days Past Due [Member]
Financing Receivable, Modified [Line Items]
Amortized Cost, Modified, after 12 Months	50
Commercial Segment [Member] | Commercial Real Estate [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Financing Receivable, Modified [Line Items]
Amortized Cost, Modified, after 12 Months	0
Commercial Segment [Member] | Commercial Real Estate [Member] | Financial Asset, Not Past Due [Member]
Financing Receivable, Modified [Line Items]
Amortized Cost, Modified, after 12 Months	142
Commercial Segment [Member] | Commercial and Industrial [Member]
Financing Receivable, Modified [Line Items]
Amortized Cost, Modified, after 12 Months	486
Commercial Segment [Member] | Commercial and Industrial [Member] | Financial Asset, Past Due [Member]
Financing Receivable, Modified [Line Items]
Amortized Cost, Modified, after 12 Months	0
Commercial Segment [Member] | Commercial and Industrial [Member] | Financial Asset, 30 to 89 Days Past Due [Member]
Financing Receivable, Modified [Line Items]
Amortized Cost, Modified, after 12 Months	0
Commercial Segment [Member] | Commercial and Industrial [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Financing Receivable, Modified [Line Items]
Amortized Cost, Modified, after 12 Months	0
Commercial Segment [Member] | Commercial and Industrial [Member] | Financial Asset, Not Past Due [Member]
Financing Receivable, Modified [Line Items]
Amortized Cost, Modified, after 12 Months	$ 486