Loans and Allowance for Credit Losses - Collateral dependent loans and related ACL (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2023	Jun. 30, 2023
Financing Receivable, Past Due [Line Items]
Total Loans Receivable	$ 4,023,698		$ 3,850,035
Related allowance for credit losses	54,940	$ 54,740	52,516	$ 51,336	$ 50,084	$ 47,820
Construction and land development
Financing Receivable, Past Due [Line Items]
Total Loans Receivable	323,499
Agriculture real estate
Financing Receivable, Past Due [Line Items]
Total Loans Receivable	247,027
Commercial and industrial
Financing Receivable, Past Due [Line Items]
Total Loans Receivable	488,116		450,147
Related allowance for credit losses	7,572	8,063	6,233	5,543	5,850	5,235
Agriculture production
Financing Receivable, Past Due [Line Items]
Total Loans Receivable	186,058		175,968
Related allowance for credit losses	1,191	1,060	835	692	570	782
Consumer
Financing Receivable, Past Due [Line Items]
Total Loans Receivable	54,022		59,671
Related allowance for credit losses	1,096	603	578	432	454	490
All other loans
Financing Receivable, Past Due [Line Items]
Total Loans Receivable	3,216		3,981
Related allowance for credit losses	17	24	17	14	17	21
Secured by real estate | 1-4 residential real estate
Financing Receivable, Past Due [Line Items]
Total Loans Receivable	978,908		925,397
Related allowance for credit losses	11,331	12,664	10,528	9,452	9,574	9,474
Secured by real estate | Commercial Real Estate | Non-owner occupied
Financing Receivable, Past Due [Line Items]
Total Loans Receivable	897,125		899,770
Related allowance for credit losses	17,572	13,660	19,055	18,756	16,599	13,863
Secured by real estate | Commercial Real Estate | Owner occupied
Financing Receivable, Past Due [Line Items]
Total Loans Receivable	440,282		427,476
Related allowance for credit losses	5,080	5,707	4,815	4,451	4,814	5,168
Secured by real estate | Multi-family real estate
Financing Receivable, Past Due [Line Items]
Total Loans Receivable	405,445		384,564
Related allowance for credit losses	5,240	5,725	5,447	6,625	6,188	6,806
Secured by real estate | Construction and land development
Financing Receivable, Past Due [Line Items]
Total Loans Receivable	323,499		290,541
Related allowance for credit losses	3,387	4,717	2,901	3,214	3,639	3,414
Secured by real estate | Agriculture real estate
Financing Receivable, Past Due [Line Items]
Total Loans Receivable	247,027		232,520
Related allowance for credit losses	2,454	$ 2,517	2,107	$ 2,157	$ 2,379	$ 2,567
Commercial Real Estate
Financing Receivable, Past Due [Line Items]
Total Loans Receivable	33,655		23,457
Commercial Real Estate | Commercial Real Estate | Non-owner occupied
Financing Receivable, Past Due [Line Items]
Total Loans Receivable	32,619		23,457
Commercial Real Estate | Commercial Real Estate | Owner occupied
Financing Receivable, Past Due [Line Items]
Total Loans Receivable	542
Commercial Real Estate | Commercial and industrial
Financing Receivable, Past Due [Line Items]
Total Loans Receivable	494
Residential Real Estate
Financing Receivable, Past Due [Line Items]
Total Loans Receivable	1,531		797
Residential Real Estate | 1-4 residential real estate
Financing Receivable, Past Due [Line Items]
Total Loans Receivable	777		797
Residential Real Estate | Commercial Real Estate | Owner occupied
Financing Receivable, Past Due [Line Items]
Total Loans Receivable	754
Construction and Land Development
Financing Receivable, Past Due [Line Items]
Total Loans Receivable	861
Construction and Land Development | Construction and land development
Financing Receivable, Past Due [Line Items]
Total Loans Receivable	861
Other
Financing Receivable, Past Due [Line Items]
Total Loans Receivable	1,674		2,705
Other | Commercial and industrial
Financing Receivable, Past Due [Line Items]
Total Loans Receivable	1,674		2,705
Collateral Pledged
Financing Receivable, Past Due [Line Items]
Total Loans Receivable	37,721		26,959
Related allowance for credit losses	10,306		10,926
Collateral Pledged | 1-4 residential real estate
Financing Receivable, Past Due [Line Items]
Total Loans Receivable	777		797
Related allowance for credit losses	96		116
Collateral Pledged | Commercial Real Estate | Non-owner occupied
Financing Receivable, Past Due [Line Items]
Total Loans Receivable	32,619		23,457
Related allowance for credit losses	8,805		10,175
Collateral Pledged | Commercial Real Estate | Owner occupied
Financing Receivable, Past Due [Line Items]
Total Loans Receivable	1,296
Related allowance for credit losses	267
Collateral Pledged | Construction and land development
Financing Receivable, Past Due [Line Items]
Total Loans Receivable	861
Related allowance for credit losses	161
Collateral Pledged | Commercial and industrial
Financing Receivable, Past Due [Line Items]
Total Loans Receivable	2,168		2,705
Related allowance for credit losses	$ 977		$ 635