Fair Value of Financial Instruments (Details 1) - USD ($) $ in Thousands	Jun. 30, 2019	Jun. 30, 2018
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held for investment, at fair value	$ 5,094	$ 5,234
Loans held for sale, at fair value	0	96,298
Undisbursed commitments to extend credit, Assets	0	0
Undisbursed commitments to extend credit, Liabilities	0	440
Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities - available for sale	5,969	7,496
Loans held for investment, at fair value	5,094	5,234
Loans held for sale, at fair value		96,298
Interest-only strips	16	23
Undisbursed commitments to extend credit, Assets		849
Total assets	11,079	109,900
Undisbursed commitments to extend credit, Liabilities		464
Total liabilities	0	464
Recurring | Commitments to extend credit on loans to be held for sale
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Undisbursed commitments to extend credit, Assets		849
Undisbursed commitments to extend credit, Liabilities		24
Recurring | Mandatory loan sale commitments
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Undisbursed commitments to extend credit, Liabilities		32
Recurring | TBA MBS trades
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Undisbursed commitments to extend credit, Liabilities		408
Recurring | U.S. government agency MBS
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities - available for sale	3,613	4,384
Recurring | U.S. government sponsored enterprise MBS
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities - available for sale	2,087	2,762
Recurring | Private issue CMO
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities - available for sale	269	350
Recurring | Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities - available for sale	0	0
Loans held for investment, at fair value	0	0
Loans held for sale, at fair value		0
Interest-only strips	0	0
Undisbursed commitments to extend credit, Assets		0
Total assets	0	0
Undisbursed commitments to extend credit, Liabilities		0
Total liabilities	0	0
Recurring | Level 1 | Commitments to extend credit on loans to be held for sale
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Undisbursed commitments to extend credit, Assets		0
Undisbursed commitments to extend credit, Liabilities		0
Recurring | Level 1 | Mandatory loan sale commitments
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Undisbursed commitments to extend credit, Liabilities		0
Recurring | Level 1 | TBA MBS trades
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Undisbursed commitments to extend credit, Liabilities		0
Recurring | Level 1 | U.S. government agency MBS
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities - available for sale	0	0
Recurring | Level 1 | U.S. government sponsored enterprise MBS
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities - available for sale	0	0
Recurring | Level 1 | Private issue CMO
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities - available for sale	0	0
Recurring | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities - available for sale	5,700	7,146
Loans held for investment, at fair value	0	0
Loans held for sale, at fair value		96,298
Interest-only strips	0	0
Undisbursed commitments to extend credit, Assets		0
Total assets	5,700	103,444
Undisbursed commitments to extend credit, Liabilities		408
Total liabilities	0	408
Recurring | Level 2 | Commitments to extend credit on loans to be held for sale
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Undisbursed commitments to extend credit, Assets		0
Undisbursed commitments to extend credit, Liabilities		0
Recurring | Level 2 | Mandatory loan sale commitments
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Undisbursed commitments to extend credit, Liabilities		0
Recurring | Level 2 | TBA MBS trades
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Undisbursed commitments to extend credit, Liabilities		408
Recurring | Level 2 | U.S. government agency MBS
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities - available for sale	3,613	4,384
Recurring | Level 2 | U.S. government sponsored enterprise MBS
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities - available for sale	2,087	2,762
Recurring | Level 2 | Private issue CMO
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities - available for sale	0	0
Recurring | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities - available for sale	269	350
Loans held for investment, at fair value	5,094	5,234
Loans held for sale, at fair value		0
Interest-only strips	16	23
Undisbursed commitments to extend credit, Assets		849
Total assets	5,379	6,456
Undisbursed commitments to extend credit, Liabilities		56
Total liabilities	0	56
Recurring | Level 3 | Commitments to extend credit on loans to be held for sale
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Undisbursed commitments to extend credit, Assets		849
Undisbursed commitments to extend credit, Liabilities		24
Recurring | Level 3 | Mandatory loan sale commitments
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Undisbursed commitments to extend credit, Liabilities		32
Recurring | Level 3 | TBA MBS trades
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Undisbursed commitments to extend credit, Liabilities		0
Recurring | Level 3 | U.S. government agency MBS
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities - available for sale	0	0
Recurring | Level 3 | U.S. government sponsored enterprise MBS
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities - available for sale	0	0
Recurring | Level 3 | Private issue CMO
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities - available for sale	$ 269	$ 350