Note 14: Fair Value Measurement: Schedule Of Financial Instruments Fair Value (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Financial Assets | Cash and Cash Equivalents
Financial Instruments Owned Carrying Amount	$ 221,386	$ 227,925
Financial Instruments, Owned, at Fair Value	221,386	227,925
Fair Value by Fair Value Hierarchy Level	1	1
Financial Assets | Held-to-maturity Securities
Financial Instruments Owned Carrying Amount	450	805
Financial Instruments, Owned, at Fair Value	505	912
Fair Value by Fair Value Hierarchy Level	2	2
Financial Assets | Mortgage Loans Held For Sale
Financial Instruments Owned Carrying Amount	30,361	7,239
Financial Instruments, Owned, at Fair Value	30,361	7,239
Fair Value by Fair Value Hierarchy Level	2	2
Financial Assets | Loans Receivable
Financial Instruments Owned Carrying Amount	2,921,310	2,439,530
Financial Instruments, Owned, at Fair Value	2,931,098	2,442,917
Fair Value by Fair Value Hierarchy Level	3	3
Financial Assets | Accrued Interest Receivable
Financial Instruments Owned Carrying Amount	11,214	11,408
Financial Instruments, Owned, at Fair Value	11,214	11,408
Fair Value by Fair Value Hierarchy Level	3	3
Financial Assets | Investment in Federal Home Loan Bank Stock
Financial Instruments Owned Carrying Amount	12,013	9,822
Financial Instruments, Owned, at Fair Value	12,013	9,822
Fair Value by Fair Value Hierarchy Level	3	3
Financial Liabilities | Deposits
Financial Instruments Owned Carrying Amount	3,071,170	2,808,626
Financial Instruments, Owned, at Fair Value	3,076,464	2,813,779
Fair Value by Fair Value Hierarchy Level	3	3
Financial Liabilities | Federal Home Loan Bank Advances
Financial Instruments Owned Carrying Amount	190,664	126,757
Financial Instruments, Owned, at Fair Value	193,004	131,281
Fair Value by Fair Value Hierarchy Level	3	3
Financial Liabilities | Short-term Debt
Financial Instruments Owned Carrying Amount	172,983	136,109
Financial Instruments, Owned, at Fair Value	172,983	136,109
Fair Value by Fair Value Hierarchy Level	3	3
Financial Liabilities | Repurchase Agreements
Financial Instruments Owned Carrying Amount		50,000
Financial Instruments, Owned, at Fair Value		53,485
Fair Value by Fair Value Hierarchy Level	3	3
Financial Liabilities | Subordinated Debt
Financial Instruments Owned Carrying Amount	30,929	30,929
Financial Instruments, Owned, at Fair Value	30,929	30,929
Fair Value by Fair Value Hierarchy Level	3	3
Financial Liabilities | Accrued Interest Payable
Financial Instruments Owned Carrying Amount	1,024	1,099
Financial Instruments, Owned, at Fair Value	1,024	1,099
Fair Value by Fair Value Hierarchy Level	3	3
Unrecognized Financial Instruments Net Of Contractual Value | Loan Origination Commitments
Fair Value by Fair Value Hierarchy Level	3	3
Unrecognized Financial Instruments Net Of Contractual Value | Letter of Credit
Financial Instruments Owned Carrying Amount	31	76
Financial Instruments, Owned, at Fair Value	$ 31	$ 76
Fair Value by Fair Value Hierarchy Level	3	3
Unrecognized Financial Instruments Net Of Contractual Value | Line of Credit
Fair Value by Fair Value Hierarchy Level	3	3