LOANS RECEIVABLE AND THE ALLOWANCE FOR LOAN LOSSES (Risk-Rate and Non-Risk Rated Loans by Grade and Other Characteristic) (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Owner-occupied Commercial Real Estate [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	$ 180,906	$ 226,004
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	198,787	172,968
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	157,483	116,032
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	90,564	83,124
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	57,095	44,427
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	149,251	177,286
Financing Receivable, Revolving	11,234	11,782
Financing Receivable, before Allowance for Credit Loss	845,320	831,623
Commer[Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	190,627	366,096
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	323,160	165,174
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	142,476	234,604
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	186,136	187,918
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	169,667	206,043
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	550,906	495,721
Financing Receivable, Revolving	27,003	18,471
Financing Receivable, before Allowance for Credit Loss	1,589,975	1,674,027
Multifamily Real Estate [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	139,383	189,218
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	177,784	75,226
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	93,961	55,494
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	46,460	33,708
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	29,665	84,612
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	156,140	89,597
Financing Receivable, Revolving	1,678	3,030
Financing Receivable, before Allowance for Credit Loss	645,071	530,885
Commercial Construction [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	115,160	115,134
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	46,680	31,926
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	12,952	7,947
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	4,260	12,893
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	5,824	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	0	98
Financing Receivable, Revolving	0	0
Financing Receivable, before Allowance for Credit Loss	184,876	167,998
Multifamily construction [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	142,680	86,643
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	161,066	118,114
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	20,622	54,359
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	1,448	0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	0	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	0	0
Financing Receivable, Revolving	0	0
Financing Receivable, before Allowance for Credit Loss	325,816	259,116
One-to four-family construction [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	586,174	526,153
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	59,436	40,133
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	677	331
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	331	0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	0	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	0	216
Financing Receivable, Revolving	711	1,920
Financing Receivable, before Allowance for Credit Loss	647,329	568,753
Land and Land Improvements [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	199,339	184,257
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	88,066	89,909
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	16,278	17,417
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	11,866	8,141
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	6,339	4,050
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	6,248	7,998
Financing Receivable, Revolving	339	1,682
Financing Receivable, before Allowance for Credit Loss	328,475	313,454
Commercial business [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	250,147	275,102
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	161,765	215,803
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	166,917	178,428
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	127,577	125,305
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	92,666	46,328
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	86,182	78,736
Financing Receivable, Revolving	398,153	251,078
Financing Receivable, before Allowance for Credit Loss	1,283,407	1,170,780
Agricultural Business [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	38,863	33,119
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	36,746	25,812
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	19,217	52,182
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	34,919	27,894
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	24,710	12,047
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	29,662	30,114
Financing Receivable, Revolving	110,960	99,410
Financing Receivable, before Allowance for Credit Loss	295,077	280,578
Pass (Risk Ratings 1-5) [Member] \| Owner-occupied Commercial Real Estate [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	167,150	212,407
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	198,787	172,968
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	150,272	100,077
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	74,171	83,124
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	57,095	43,371
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	148,902	153,472
Financing Receivable, Revolving	10,833	11,782
Financing Receivable, before Allowance for Credit Loss	807,210	777,201
Pass (Risk Ratings 1-5) [Member] \| Commer[Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	190,627	337,170
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	323,160	165,174
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	142,476	231,021
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	182,853	183,787
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	169,667	201,738
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	547,899	467,821
Financing Receivable, Revolving	25,691	18,471
Financing Receivable, before Allowance for Credit Loss	1,582,373	1,605,182
Pass (Risk Ratings 1-5) [Member] \| Multifamily Real Estate [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	139,383	184,310
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	177,784	75,226
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	93,961	55,494
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	46,460	33,708
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	29,665	84,612
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	156,140	88,055
Financing Receivable, Revolving	1,678	3,030
Financing Receivable, before Allowance for Credit Loss	645,071	524,435
Pass (Risk Ratings 1-5) [Member] \| Commercial Construction [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	112,229	103,352
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	46,679	31,841
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	12,952	7,259
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	4,260	8,087
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	1,107	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	0	0
Financing Receivable, Revolving	0	0
Financing Receivable, before Allowance for Credit Loss	177,227	150,539
Pass (Risk Ratings 1-5) [Member] \| Multifamily construction [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	142,680	86,643
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	161,066	118,114
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	20,622	54,359
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	1,448	0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	0	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	0	0
Financing Receivable, Revolving	0	0
Financing Receivable, before Allowance for Credit Loss	325,816	259,116
Pass (Risk Ratings 1-5) [Member] \| One-to four-family construction [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	572,701	526,153
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	56,530	40,133
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	677	331
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	331	0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	0	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	0	216
Financing Receivable, Revolving	711	1,920
Financing Receivable, before Allowance for Credit Loss	630,950	568,753
Pass (Risk Ratings 1-5) [Member] \| Land and Land Improvements [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	199,339	181,381
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	88,066	89,895
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	16,278	17,154
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	11,866	8,141
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	6,242	4,050
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	6,164	7,870
Financing Receivable, Revolving	339	1,682
Financing Receivable, before Allowance for Credit Loss	328,294	310,173
Pass (Risk Ratings 1-5) [Member] \| Commercial business [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	249,609	273,096
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	149,140	214,166
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	161,494	176,136
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	126,416	121,211
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	86,712	45,434
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	85,386	78,049
Financing Receivable, Revolving	391,852	246,351
Financing Receivable, before Allowance for Credit Loss	1,250,609	1,154,443
Pass (Risk Ratings 1-5) [Member] \| Agricultural Business [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	36,848	33,119
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	35,440	25,338
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	18,946	49,951
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	28,354	27,401
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	24,710	11,918
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	27,063	30,042
Financing Receivable, Revolving	109,606	99,410
Financing Receivable, before Allowance for Credit Loss	280,967	277,179
Special Mention [Member] \| Owner-occupied Commercial Real Estate [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	0	0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	0	0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	0	2,185
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	2,829	0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	0	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	42	74
Financing Receivable, Revolving	201	0
Financing Receivable, before Allowance for Credit Loss	3,072	2,259
Special Mention [Member] \| Commer[Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	0	0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	0	0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	0	240
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	0	4,131
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	0	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	0	0
Financing Receivable, Revolving	0	0
Financing Receivable, before Allowance for Credit Loss	0	4,371
Special Mention [Member] \| Multifamily Real Estate [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	0	0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	0	0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	0	0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	0	0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	0	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	0	0
Financing Receivable, Revolving	0	0
Financing Receivable, before Allowance for Credit Loss	0	0
Special Mention [Member] \| Commercial Construction [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	0	0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	0	0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	0	0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	0	0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	0	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	0	0
Financing Receivable, Revolving	0	0
Financing Receivable, before Allowance for Credit Loss	0	0
Special Mention [Member] \| Multifamily construction [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	0	0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	0	0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	0	0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	0	0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	0	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	0	0
Financing Receivable, Revolving	0	0
Financing Receivable, before Allowance for Credit Loss	0	0
Special Mention [Member] \| One-to four-family construction [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	0	0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	0	0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	0	0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	0	0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	0	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	0	0
Financing Receivable, Revolving	0	0
Financing Receivable, before Allowance for Credit Loss	0	0
Special Mention [Member] \| Land and Land Improvements [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	0	0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	0	0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	0	0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	0	0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	0	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	0	0
Financing Receivable, Revolving	0	0
Financing Receivable, before Allowance for Credit Loss	0	0
Special Mention [Member] \| Commercial business [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	74	65
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	26	77
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	3,467	0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	0	241
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	0	19
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	0	8
Financing Receivable, Revolving	200	2,430
Financing Receivable, before Allowance for Credit Loss	3,767	2,840
Special Mention [Member] \| Agricultural Business [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	0	0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	336	0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	271	0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	0	0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	0	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	0	0
Financing Receivable, Revolving	357	0
Financing Receivable, before Allowance for Credit Loss	964	0
Substandard [Member] \| Owner-occupied Commercial Real Estate [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	13,756	13,597
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	0	0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	7,211	13,770
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	13,564	0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	0	1,056
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	307	23,740
Financing Receivable, Revolving	200	0
Financing Receivable, before Allowance for Credit Loss	35,038	52,163
Substandard [Member] \| Commer[Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	0	28,926
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	0	0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	0	3,343
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	3,283	0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	0	4,305
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	3,007	27,900
Financing Receivable, Revolving	1,312	0
Financing Receivable, before Allowance for Credit Loss	7,602	64,474
Substandard [Member] \| Multifamily Real Estate [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	0	4,908
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	0	0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	0	0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	0	0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	0	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	0	1,542
Financing Receivable, Revolving	0	0
Financing Receivable, before Allowance for Credit Loss	0	6,450
Substandard [Member] \| Commercial Construction [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	2,931	11,782
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	1	85
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	0	688
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	0	4,806
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	4,717	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	0	98
Financing Receivable, Revolving	0	0
Financing Receivable, before Allowance for Credit Loss	7,649	17,459
Substandard [Member] \| Multifamily construction [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	0	0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	0	0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	0	0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	0	0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	0	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	0	0
Financing Receivable, Revolving	0	0
Financing Receivable, before Allowance for Credit Loss	0	0
Substandard [Member] \| One-to four-family construction [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	13,473	0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	2,906	0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	0	0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	0	0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	0	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	0	0
Financing Receivable, Revolving	0	0
Financing Receivable, before Allowance for Credit Loss	16,379	0
Substandard [Member] \| Land and Land Improvements [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	0	2,876
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	0	14
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	0	263
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	0	0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	97	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	84	128
Financing Receivable, Revolving	0	0
Financing Receivable, before Allowance for Credit Loss	181	3,281
Substandard [Member] \| Commercial business [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	464	1,941
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	12,599	1,560
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	1,956	2,292
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	1,161	3,853
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	5,954	875
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	796	679
Financing Receivable, Revolving	6,101	2,297
Financing Receivable, before Allowance for Credit Loss	29,031	13,497
Substandard [Member] \| Agricultural Business [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	2,015	0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	970	474
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	0	2,231
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	6,565	493
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	0	129
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	2,599	72
Financing Receivable, Revolving	997	0
Financing Receivable, before Allowance for Credit Loss	13,146	3,399
Doubtful [Member] \| Owner-occupied Commercial Real Estate [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	0	0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	0	0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	0	0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	0	0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	0	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	0	0
Financing Receivable, Revolving	0	0
Financing Receivable, before Allowance for Credit Loss	0	0
Doubtful [Member] \| Commer[Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	0	0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	0	0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	0	0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	0	0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	0	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	0	0
Financing Receivable, Revolving	0	0
Financing Receivable, before Allowance for Credit Loss	0	0
Doubtful [Member] \| Multifamily Real Estate [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	0	0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	0	0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	0	0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	0	0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	0	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	0	0
Financing Receivable, Revolving	0	0
Financing Receivable, before Allowance for Credit Loss	0	0
Doubtful [Member] \| Commercial Construction [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	0	0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	0	0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	0	0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	0	0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	0	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	0	0
Financing Receivable, Revolving	0	0
Financing Receivable, before Allowance for Credit Loss	0	0
Doubtful [Member] \| Multifamily construction [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	0	0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	0	0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	0	0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	0	0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	0	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	0	0
Financing Receivable, Revolving	0	0
Financing Receivable, before Allowance for Credit Loss	0	0
Doubtful [Member] \| One-to four-family construction [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	0	0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	0	0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	0	0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	0	0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	0	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	0	0
Financing Receivable, Revolving	0	0
Financing Receivable, before Allowance for Credit Loss	0	0
Doubtful [Member] \| Land and Land Improvements [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	0	0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	0	0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	0	0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	0	0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	0	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	0	0
Financing Receivable, Revolving	0	0
Financing Receivable, before Allowance for Credit Loss	0	0
Doubtful [Member] \| Commercial business [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	0	0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	0	0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	0	0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	0	0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	0	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	0	0
Financing Receivable, Revolving	0	0
Financing Receivable, before Allowance for Credit Loss	0	0
Doubtful [Member] \| Agricultural Business [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	0	0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	0	0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	0	0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	0	0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	0	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	0	0
Financing Receivable, Revolving	0	0
Financing Receivable, before Allowance for Credit Loss	0	0
Loss [Member] \| Owner-occupied Commercial Real Estate [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	0	0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	0	0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	0	0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	0	0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	0	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	0	0
Financing Receivable, Revolving	0	0
Financing Receivable, before Allowance for Credit Loss	0	0
Loss [Member] \| Commer[Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	0	0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	0	0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	0	0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	0	0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	0	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	0	0
Financing Receivable, Revolving	0	0
Financing Receivable, before Allowance for Credit Loss	0	0
Loss [Member] \| Multifamily Real Estate [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	0	0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	0	0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	0	0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	0	0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	0	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	0	0
Financing Receivable, Revolving	0	0
Financing Receivable, before Allowance for Credit Loss	0	0
Loss [Member] \| Commercial Construction [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	0	0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	0	0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	0	0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	0	0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	0	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	0	0
Financing Receivable, Revolving	0	0
Financing Receivable, before Allowance for Credit Loss	0	0
Loss [Member] \| Multifamily construction [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	0	0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	0	0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	0	0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	0	0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	0	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	0	0
Financing Receivable, Revolving	0	0
Financing Receivable, before Allowance for Credit Loss	0	0

LOANS RECEIVABLE AND THE ALLOWANCE FOR LOAN LOSSES (Risk-Rate and Non-Risk Rated Loans by Grade and Other Characteristic) (Details) - USD ($)
$ in Thousands