Note 7: Loans and Allowance For Loan Losses: Schedule of Balance in Allowance for Loan Losses Based on Portfolio Segment and Impairment (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2013
One To Four Family Residential Construction
Financing Receivable, Allowance for Credit Losses, Beginning Balance	$ 6,235	$ 6,822
Provision for Loan Losses Expensed	(548)
Financing Receivable, Allowance for Credit Losses, Write-downs	(1,192)	(919)
Allowance for Doubtful Accounts Receivable, Recoveries	143	9
Financing Receivable, Allowance for Credit Losses, Ending Balance	4,638	5,575
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	1,394		2,501
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	3,244		3,734
Financing Receivable, Individually Evaluated for Impairment	11,501		13,055
Financing Receivable, Collectively Evaluated for Impairment	288,993		297,057
Financing Receivable, Acquired with Deteriorated Credit Quality	206,236		206,964
Other Residential
Financing Receivable, Allowance for Credit Losses, Beginning Balance	2,678	4,327
Provision for Loan Losses Expensed	(687)
Financing Receivable, Allowance for Credit Losses, Write-downs		(1,895)
Allowance for Doubtful Accounts Receivable, Recoveries	7	19
Financing Receivable, Allowance for Credit Losses, Ending Balance	1,998	4,482
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	1,998		2,678
Financing Receivable, Individually Evaluated for Impairment	10,942		10,983
Financing Receivable, Collectively Evaluated for Impairment	299,022		314,616
Financing Receivable, Acquired with Deteriorated Credit Quality	35,270		35,095
Commercial Real Estate
Financing Receivable, Allowance for Credit Losses, Beginning Balance	16,939	17,441
Provision for Loan Losses Expensed	1,641
Financing Receivable, Allowance for Credit Losses, Write-downs	(381)	(4,343)
Allowance for Doubtful Accounts Receivable, Recoveries	244	124
Financing Receivable, Allowance for Credit Losses, Ending Balance	18,443	16,812
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	1,503		90
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	16,940		16,845
Financing Receivable, Allowance for Credit Losses, Acquired with Deteriorated Credit Quality			4
Financing Receivable, Individually Evaluated for Impairment	29,665		31,591
Financing Receivable, Collectively Evaluated for Impairment	839,385		791,329
Financing Receivable, Acquired with Deteriorated Credit Quality	81,610		84,591
Commercial Construction
Financing Receivable, Allowance for Credit Losses, Beginning Balance	4,464	3,938
Provision for Loan Losses Expensed	2,582
Financing Receivable, Allowance for Credit Losses, Write-downs	(35)	(53)
Allowance for Doubtful Accounts Receivable, Recoveries	60	5
Financing Receivable, Allowance for Credit Losses, Ending Balance	7,071	5,130
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	2,791		473
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	4,280		3,991
Financing Receivable, Individually Evaluated for Impairment	12,616		12,628
Financing Receivable, Collectively Evaluated for Impairment	272,305		229,232
Financing Receivable, Acquired with Deteriorated Credit Quality	2,266		6,989
Commercial Business
Financing Receivable, Allowance for Credit Losses, Beginning Balance	6,451	5,096
Provision for Loan Losses Expensed	(2,307)
Financing Receivable, Allowance for Credit Losses, Write-downs	(1,949)	(1,018)
Allowance for Doubtful Accounts Receivable, Recoveries	146	25
Financing Receivable, Allowance for Credit Losses, Ending Balance	2,341	5,838
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	174		4,162
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	2,166		2,287
Financing Receivable, Allowance for Credit Losses, Acquired with Deteriorated Credit Quality	1		2
Financing Receivable, Individually Evaluated for Impairment	4,771		8,755
Financing Receivable, Collectively Evaluated for Impairment	314,577		306,514
Financing Receivable, Acquired with Deteriorated Credit Quality	4,025		4,883
Consumer
Financing Receivable, Allowance for Credit Losses, Beginning Balance	3,349	3,025
Provision for Loan Losses Expensed	1,010
Financing Receivable, Allowance for Credit Losses, Write-downs	(1,020)	(917)
Allowance for Doubtful Accounts Receivable, Recoveries	445	637
Financing Receivable, Allowance for Credit Losses, Ending Balance	3,784	2,711
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	193		218
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	3,591		3,131
Financing Receivable, Individually Evaluated for Impairment	1,222		1,389
Financing Receivable, Collectively Evaluated for Impairment	299,442		273,871
Financing Receivable, Acquired with Deteriorated Credit Quality	45,823		47,642
Loans Receivable
Financing Receivable, Allowance for Credit Losses, Beginning Balance	40,116	40,649
Provision for Loan Losses Expensed	1,691
Financing Receivable, Allowance for Credit Losses, Write-downs	(4,577)	(9,145)
Allowance for Doubtful Accounts Receivable, Recoveries	1,045	819
Financing Receivable, Allowance for Credit Losses, Ending Balance	38,275	40,548
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	6,055		7,444
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	32,219		32,666
Financing Receivable, Allowance for Credit Losses, Acquired with Deteriorated Credit Quality	1		6
Financing Receivable, Individually Evaluated for Impairment	70,717		78,401
Financing Receivable, Collectively Evaluated for Impairment	2,313,724		2,212,619
Financing Receivable, Acquired with Deteriorated Credit Quality	$ 375,230		$ 386,164