Note 7: Loans and Allowance For Loan Losses: Allowance for Credit Losses on Financing Receivables (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Provision for loan losses	$ 1,300	$ 1,462	$ 2,600	$ 3,154
One To Four Family Residential Construction
Provision for Loan Losses Expensed	(110)	915	446	367
Financing Receivable, Allowance for Credit Losses, Write-downs	(80)	(505)	(220)	(1,697)
Allowance for Doubtful Accounts Receivable, Recoveries	91	25	205	168
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	663		663		$ 829
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	3,044		3,044		2,532
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Provision for Loan Losses			179		94
Financing Receivable, Individually Evaluated for Impairment	9,992		9,992		11,488
Financing Receivable, Collectively Evaluated for Impairment	303,241		303,241		288,066
All Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Not Accounted for Using Income Recognition Model	209,627		209,627		234,158
One To Four Family Residential Construction | Beginning of period
Provision for loan losses	3,985	4,638	3,455	6,235
One To Four Family Residential Construction | End of period
Provision for loan losses	3,886	5,073	3,886	5,073
Other Residential
Provision for Loan Losses Expensed	524	(281)	384	(968)
Financing Receivable, Allowance for Credit Losses, Write-downs		(2)	(2)	(2)
Allowance for Doubtful Accounts Receivable, Recoveries	9	8	19	15
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	3,323		3,323		2,923
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Provision for Loan Losses			19		18
Financing Receivable, Individually Evaluated for Impairment	9,729		9,729		9,804
Financing Receivable, Collectively Evaluated for Impairment	376,172		376,172		382,610
All Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Not Accounted for Using Income Recognition Model	47,199		47,199		48,470
Other Residential | Beginning of period
Provision for loan losses	2,809	1,998	2,941	2,678
Other Residential | End of period
Provision for loan losses	3,342	1,723	3,342	1,723
Commercial Real Estate
Provision for Loan Losses Expensed	(146)	(1,629)	239	(134)
Financing Receivable, Allowance for Credit Losses, Write-downs	(2)	(338)	(4)	(719)
Allowance for Doubtful Accounts Receivable, Recoveries	123		183	390
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	2,130		2,130		1,751
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	16,752		16,752		16,671
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Provision for Loan Losses			1,309		1,351
Financing Receivable, Individually Evaluated for Impairment	25,891		25,891		28,641
Financing Receivable, Collectively Evaluated for Impairment	989,563		989,563		917,235
All Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Not Accounted for Using Income Recognition Model	90,814		90,814		107,278
Commercial Real Estate | Beginning of period
Provision for loan losses	20,216	18,443	19,773	16,939
Commercial Real Estate | End of period
Provision for loan losses	20,191	16,476	20,191	16,476
Commercial Construction
Provision for Loan Losses Expensed	(77)	1,110	(190)	3,693
Financing Receivable, Allowance for Credit Losses, Write-downs		(95)	(197)	(130)
Allowance for Doubtful Accounts Receivable, Recoveries	9	163	113	222
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	1,411		1,411		1,507
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	1,671		1,671		1,905
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Provision for Loan Losses			206		150
Financing Receivable, Individually Evaluated for Impairment	7,334		7,334		7,601
Financing Receivable, Collectively Evaluated for Impairment	501,147		501,147		437,424
All Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Not Accounted for Using Income Recognition Model	6,726		6,726		1,937
Commercial Construction | Beginning of period
Provision for loan losses	3,356	7,071	3,562	4,464
Commercial Construction | End of period
Provision for loan losses	3,288	8,249	3,288	8,249
Commercial Business
Provision for Loan Losses Expensed	423	979	890	(1,182)
Financing Receivable, Allowance for Credit Losses, Write-downs	(551)	(738)	(775)	(2,687)
Allowance for Doubtful Accounts Receivable, Recoveries	175		198
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	261		261		823
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	3,693		3,693		2,805
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Provision for Loan Losses			38		51
Financing Receivable, Individually Evaluated for Impairment	1,567		1,567		2,725
Financing Receivable, Collectively Evaluated for Impairment	429,639		429,639		392,348
All Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Not Accounted for Using Income Recognition Model	14,284		14,284		17,789
Commercial Business | Beginning of period
Provision for loan losses	3,945	2,341	3,679	6,451
Commercial Business | End of period
Provision for loan losses	3,992	2,582	3,992	2,582
Consumer
Provision for Loan Losses Expensed	686	368	831	1,378
Financing Receivable, Allowance for Credit Losses, Write-downs	(935)	(764)	(2,082)	(1,784)
Allowance for Doubtful Accounts Receivable, Recoveries	488	591	1,225	1,036
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	243		243		232
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	4,352		4,352		4,321
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Provision for Loan Losses			404		472
Financing Receivable, Individually Evaluated for Impairment	1,558		1,558		1,480
Financing Receivable, Collectively Evaluated for Impairment	516,809		516,809		466,174
All Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Not Accounted for Using Income Recognition Model	47,068		47,068		48,903
Consumer | Beginning of period
Provision for loan losses	4,760	3,784	5,025	3,349
Consumer | End of period
Provision for loan losses	4,999	3,979	4,999	3,979
Loans Receivable
Provision for Loan Losses Expensed	1,300	1,462	2,600	3,154
Financing Receivable, Allowance for Credit Losses, Write-downs	(1,568)	(2,442)	(3,280)	(7,019)
Allowance for Doubtful Accounts Receivable, Recoveries	895	787	1,943	1,831
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	4,708		4,708		5,142
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	32,835		32,835		31,157
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Provision for Loan Losses			2,155		2,136
Financing Receivable, Individually Evaluated for Impairment	56,071		56,071		61,739
Financing Receivable, Collectively Evaluated for Impairment	3,116,571		3,116,571		2,883,857
All Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Not Accounted for Using Income Recognition Model	415,718		415,718		$ 458,535
Loans Receivable | Beginning of period
Provision for loan losses	39,071	38,275	38,435	40,116
Loans Receivable | End of period
Provision for loan losses	$ 39,698	$ 38,082	$ 39,698	$ 38,082