ACQUISITIONS - Assets Acquired and Liabilities (Details) - USD ($) $ in Thousands	Feb. 01, 2023	Oct. 01, 2021	Dec. 31, 2023	Dec. 31, 2022
Consideration paid:
Goodwill			$ 59,820	$ 29,322
Town and Country
Assets acquired:
Cash and cash equivalents	$ 23,542
Interest-bearing time deposits with banks	249
Debt securities	167,869
Equity securities	301
Restricted stock	2,822
Loans held for sale	1,612
Loans, before allowance for credit losses	635,376
Allowance for credit losses	(1,247)
Loans, net of allowance for credit losses	634,129
Bank owned life insurance	15,782
Bank premises and equipment	14,828
Foreclosed assets	271
Intangible assets	22,282
Mortgage servicing rights	10,469
Investments in unconsolidated subsidiaries	449
Accrued interest receivable	3,113
Other assets	8,940
Total assets acquired	906,658
Liabilities assumed:
Deposits	720,417
FHLB advances	86,439
Junior subordinated debentures	14,949
Other liabilities	5,999
Total liabilities assumed	827,804
Net assets acquired	78,854
Consideration paid:
Cash	37,996
Common stock	71,356
Total consideration paid	109,352
Goodwill	$ 30,498
NXT Bancorporation, Inc
Assets acquired:
Cash and cash equivalents		$ 5,862
Interest-bearing time deposits with banks		739
Equity securities		43
Restricted stock		796
Loans		194,576
Bank owned life insurance		7,352
Bank premises and equipment		3,667
Intangible assets		199
Mortgage servicing rights		370
Accrued interest receivable		886
Other assets		1,340
Total assets acquired		234,125
Liabilities assumed:
Deposits		181,586
Securities sold under agreements to repurchase		4,080
FHLB advances		12,625
Other liabilities		1,633
Total liabilities assumed		199,924
Net assets acquired		34,201
Consideration paid:
Cash		10,633
Common stock		29,270
Total consideration paid		39,903
Goodwill		5,702
Debt securities		18,295
Fair Value		194,576
Gross contractual amounts receivable		196,104
Estimate of contractual cash flows not expected to be collected		$ 1,045