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Note 3: Loans and Allowance for Loan Losses: Schedule of Loans and Leases Receivable Allowance for Loan Losses (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Loans Receivable |  |  |
Provision (benefit) charged to expense | $ 7,150 | $ 9,100 | $ 9,281
Losses charged off | (11,356) | (16,077) | (15,269)
Recoveries | 6,123 | 6,069 | 5,239
Individually evaluated for impairment | 2,041 | 3,951 | 6,362
Collectively evaluated for impairment | 35,947 | 32,081 | 30,413
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Provision for Loan Losses | 421 | 460 | 625
Individually evaluated for impairment | 13,939 | 25,334 | 34,281
Collectively evaluated for impairment | 4,811,661 | 4,327,960 | 4,070,108
Financing Receivables Acquired and Evaluated for Impairment | 167,651 | 209,669 | 283,159
Loans Receivable | Balance, Beginning of Period |  |  |
Financing Receivable, Allowance for Credit Losses | 36,492 | 37,400 | 38,149
Loans Receivable | Balance, End of Period |  |  |
Financing Receivable, Allowance for Credit Losses | 38,409 | 36,492 | 37,400
One- to four-family residential construction |  |  |
Provision (benefit) charged to expense | 742 | (158) | (2,407)
Losses charged off | (62) | (165) | (229)
Recoveries | 334 | 109 | 58
Individually evaluated for impairment | 694 | 513 | 570
Collectively evaluated for impairment | 2,392 | 1,564 | 1,628
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Provision for Loan Losses | 36 | 31 | 124
Individually evaluated for impairment | 6,116 | 6,950 | 6,015
Collectively evaluated for impairment | 433,209 | 341,888 | 370,172
Financing Receivables Acquired and Evaluated for Impairment | 93,841 | 120,295 | 155,378
One- to four-family residential construction | Balance, Beginning of Period |  |  |
Financing Receivable, Allowance for Credit Losses | 2,108 | 2,322 | 4,900
One- to four-family residential construction | Balance, End of Period |  |  |
Financing Receivable, Allowance for Credit Losses | 3,122 | 2,108 | 2,322
Other residential |  |  |
Provision (benefit) charged to expense | 1,982 | (2,356) | 2,260
Losses charged off | (525) | (488) | (16)
Recoveries | 417 | 197 | 52
Individually evaluated for impairment | 0 | 0 | 0
Collectively evaluated for impairment | 4,681 | 2,813 | 5,396
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Provision for Loan Losses | 32 | 26 | 90
Individually evaluated for impairment | 0 | 2,907 | 3,812
Collectively evaluated for impairment | 784,894 | 742,738 | 659,566
Financing Receivables Acquired and Evaluated for Impairment | 12,790 | 14,877 | 29,600
Other residential | Balance, Beginning of Period |  |  |
Financing Receivable, Allowance for Credit Losses | 2,839 | 5,486 | 3,190
Other residential | Balance, End of Period |  |  |
Financing Receivable, Allowance for Credit Losses | 4,713 | 2,839 | 5,486
Commercial Real Estate |  |  |
Provision (benefit) charged to expense | 1,094 | 4,234 | 5,632
Losses charged off | (102) | (1,656) | (5,653)
Recoveries | 172 | 123 | 1,221
Individually evaluated for impairment | 613 | 599 | 2,209
Collectively evaluated for impairment | 18,958 | 17,843 | 13,507
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Provision for Loan Losses | 232 | 197 | 222
Individually evaluated for impairment | 3,501 | 8,315 | 10,507
Collectively evaluated for impairment | 1,367,934 | 1,227,014 | 1,176,399
Financing Receivables Acquired and Evaluated for Impairment | 33,620 | 39,210 | 54,208
Commercial Real Estate | Balance, Beginning of Period |  |  |
Financing Receivable, Allowance for Credit Losses | 18,639 | 15,938 | 14,738
Commercial Real Estate | Balance, End of Period |  |  |
Financing Receivable, Allowance for Credit Losses | 19,803 | 18,639 | 15,938
Commercial construction |  |  |
Provision (benefit) charged to expense | 1,031 | (643) | (827)
Losses charged off | (87) | (420) | (31)
Recoveries | 394 | 546 | 123
Individually evaluated for impairment | 0 | 0 | 1,291
Collectively evaluated for impairment | 3,029 | 1,690 | 953
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Provision for Loan Losses | 76 | 77 | 40
Individually evaluated for impairment | 14 | 15 | 6,023
Collectively evaluated for impairment | 1,461,644 | 1,112,308 | 825,215
Financing Receivables Acquired and Evaluated for Impairment | 4,093 | 3,806 | 2,191
Commercial construction | Balance, Beginning of Period |  |  |
Financing Receivable, Allowance for Credit Losses | 1,767 | 2,284 | 3,019
Commercial construction | Balance, End of Period |  |  |
Financing Receivable, Allowance for Credit Losses | 3,105 | 1,767 | 2,284
Commercial business |  |  |
Provision (benefit) charged to expense | (1,613) | 1,475 | (926)
Losses charged off | (1,155) | (1,489) | (589)
Recoveries | 755 | 580 | 327
Individually evaluated for impairment | 309 | 2,140 | 1,295
Collectively evaluated for impairment | 1,247 | 1,369 | 1,681
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Provision for Loan Losses | 12 | 72 | 39
Individually evaluated for impairment | 1,844 | 3,018 | 4,539
Collectively evaluated for impairment | 334,214 | 372,192 | 369,154
Financing Receivables Acquired and Evaluated for Impairment | 4,347 | 5,275 | 6,429
Commercial business | Balance, Beginning of Period |  |  |
Financing Receivable, Allowance for Credit Losses | 3,581 | 3,015 | 4,203
Commercial business | Balance, End of Period |  |  |
Financing Receivable, Allowance for Credit Losses | 1,568 | 3,581 | 3,015
Consumer Loan |  |  |
Provision (benefit) charged to expense | 3,914 | 6,548 | 5,549
Losses charged off | (9,425) | (11,859) | (8,751)
Recoveries | 4,051 | 4,514 | 3,458
Individually evaluated for impairment | 425 | 699 | 997
Collectively evaluated for impairment | 5,640 | 6,802 | 7,248
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Provision for Loan Losses | 33 | 57 | 110
Individually evaluated for impairment | 2,464 | 4,129 | 3,385
Collectively evaluated for impairment | 429,766 | 531,820 | 669,602
Financing Receivables Acquired and Evaluated for Impairment | 18,960 | 26,206 | 35,353
Consumer Loan | Balance, Beginning of Period |  |  |
Financing Receivable, Allowance for Credit Losses | 7,558 | 8,355 | 8,099
Consumer Loan | Balance, End of Period |  |  |
Financing Receivable, Allowance for Credit Losses | $ 6,098 | $ 7,558 | $ 8,355

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