Fair Value of Financial Instruments: Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis (Details) (USD $)	Sep. 30, 2013	Jun. 30, 2013
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held for sale, at fair value	$ 183,765,000	$ 188,050,000
Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities	18,564,000	19,510,000
Loans held for sale, at fair value	183,765,000	188,050,000
Interest-only strips	103,000	98,000
Derivative assets	3,503,000	9,583,000
Total assets	205,935,000	217,241,000
Derivative liabilities	4,499,000	3,221,000
Total liabilities	4,499,000	3,221,000
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]
Derivative assets	3,367,000	1,338,000
Derivative liabilities	2,000	2,370,000
Recurring | Mandatory loan sale commitments
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	51,000	405,000
Derivative liabilities	192,000	322,000
Recurring | TBA MBS trades
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	3,000	7,251,000
Derivative liabilities	4,305,000	529,000
Recurring | Option contracts
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	82,000	589,000
Recurring | U.S. government agency MBS
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities	10,241,000	10,816,000
Recurring | U.S. government sponsored enterprise MBS
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities	7,370,000	7,675,000
Recurring | Private issue CMO
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities	953,000	1,019,000
Recurring | Fair Value, Inputs, Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities	0	0
Loans held for sale, at fair value	0	0
Interest-only strips	0	0
Derivative assets	0	0
Total assets	0	0
Derivative liabilities	0	0
Total liabilities	0	0
Recurring | Fair Value, Inputs, 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]
Derivative assets	0	0
Derivative liabilities	0	0
Recurring | Fair Value, Inputs, Level 1 | Mandatory loan sale commitments
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	0	0
Derivative liabilities	0	0
Recurring | Fair Value, Inputs, Level 1 | TBA MBS trades
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	0	0
Derivative liabilities	0	0
Recurring | Fair Value, Inputs, Level 1 | Option contracts
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	0	0
Recurring | Fair Value, Inputs, Level 1 | U.S. government agency MBS
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities	0	0
Recurring | Fair Value, Inputs, Level 1 | U.S. government sponsored enterprise MBS
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities	0	0
Recurring | Fair Value, Inputs, Level 1 | Private issue CMO
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities	0	0
Recurring | Fair Value, Inputs, Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities	17,611,000	18,491,000
Loans held for sale, at fair value	183,765,000	188,050,000
Interest-only strips	0	0
Derivative assets	3,000	7,251,000
Total assets	201,379,000	213,792,000
Derivative liabilities	4,305,000	529,000
Total liabilities	4,305,000	529,000
Recurring | Fair Value, Inputs, 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]
Derivative assets	0	0
Derivative liabilities	0	0
Recurring | Fair Value, Inputs, Level 2 | Mandatory loan sale commitments
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	0	0
Derivative liabilities	0	0
Recurring | Fair Value, Inputs, Level 2 | TBA MBS trades
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	3,000	7,251,000
Derivative liabilities	4,305,000	529,000
Recurring | Fair Value, Inputs, Level 2 | Option contracts
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	0	0
Recurring | Fair Value, Inputs, Level 2 | U.S. government agency MBS
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities	10,241,000	10,816,000
Recurring | Fair Value, Inputs, Level 2 | U.S. government sponsored enterprise MBS
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities	7,370,000	7,675,000
Recurring | Fair Value, Inputs, Level 2 | Private issue CMO
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities	0	0
Recurring | Fair Value, Inputs, Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities	953,000	1,019,000
Loans held for sale, at fair value	0	0
Interest-only strips	103,000	98,000
Derivative assets	3,500,000	2,332,000
Total assets	4,556,000	3,449,000
Derivative liabilities	194,000	2,692,000
Total liabilities	194,000	2,692,000
Recurring | Fair Value, Inputs, 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]
Derivative assets	3,367,000	1,338,000
Derivative liabilities	2,000	2,370,000
Recurring | Fair Value, Inputs, Level 3 | Mandatory loan sale commitments
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	51,000	405,000
Derivative liabilities	192,000	322,000
Recurring | Fair Value, Inputs, Level 3 | TBA MBS trades
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	0	0
Derivative liabilities	0	0
Recurring | Fair Value, Inputs, Level 3 | Option contracts
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	82,000	589,000
Recurring | Fair Value, Inputs, Level 3 | U.S. government agency MBS
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities	0	0
Recurring | Fair Value, Inputs, Level 3 | U.S. government sponsored enterprise MBS
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities	0	0
Recurring | Fair Value, Inputs, Level 3 | Private issue CMO
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities	$ 953,000	$ 1,019,000