Fair Value of Financial Instruments: Schedule of Reconciliation of Beginning and Ending Balances of Recurring Fair Value Measurements Using Level 3 Inputs (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2013		Jun. 30, 2012
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	$ 5,226		$ 2,707
Total gains or losses included in earnings	(67,753)		38,017
Total gains or losses included in other comprehensive loss	(47)		(41)
Purchases	1,167		142
Issuances	13,995		(3,257)
Settlements	48,169		(32,342)
Transfers in and/or out of Level 3	0		0
Ending balance	757		5,226
Private issue CMO
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	1,242		1,367
Total gains or losses included in earnings	0		0
Total gains or losses included in other comprehensive loss	(16)		29
Purchases	0		0
Issuances	0		0
Settlements	(207)		(154)
Transfers in and/or out of Level 3	0		0
Ending balance	1,019		1,242
Interest-Only Strips
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	130		200
Total gains or losses included in earnings	0		0
Total gains or losses included in other comprehensive loss	(31)		(70)
Purchases	0		0
Issuances	0		0
Settlements	(1)		0
Transfers in and/or out of Level 3	0		0
Ending balance	98		130
Loan Commitments to Originate
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	3,981	[1]	638	[1]
Total gains or losses included in earnings	(68,123)	[1]	39,309	[1]
Total gains or losses included in other comprehensive loss	0	[1]	0	[1]
Purchases	0	[1]	0	[1]
Issuances	13,995	[1]	(3,257)	[1]
Settlements	49,115	[1]	(32,709)	[1]
Transfers in and/or out of Level 3	0	[1]	0	[1]
Ending balance	(1,032)	[1]	3,981	[1]
Mandatory Commitments
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	(163)	[2]	403	[2]
Total gains or losses included in earnings	156	[2]	(932)	[2]
Total gains or losses included in other comprehensive loss	0	[2]	0	[2]
Purchases	83	[2]	(163)	[2]
Issuances	0	[2]	0	[2]
Settlements	7	[2]	529	[2]
Transfers in and/or out of Level 3	0	[2]	0	[2]
Ending balance	83	[2]	(163)	[2]
Option contracts
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	36		99
Total gains or losses included in earnings	214		(360)
Total gains or losses included in other comprehensive loss	0		0
Purchases	1,084		305
Issuances	0		0
Settlements	(745)		(8)
Transfers in and/or out of Level 3	0		0
Ending balance	$ 589		$ 36

[1] Consists of commitments to extend credit on loans to be held for sale.

[2] Consists of mandatory loan sale commitments.