PARENT COMPANY AND REGULATORY RESTRICTIONS (Condensed Balance Sheets) (Details) - USD ($) $ / shares in Units, $ in Thousands	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Assets
Total assets	$ 7,409,241	$ 7,472,096
Liabilities and Shareholders' Equity
Long-term debt, net of unamortized debt issuance costs of $0 at December 31, 2025 and $202 at December 31, 2024	76,547	156,345
Other liabilities	97,732	91,279
Total liabilities	6,816,660	6,933,711
Shareholders' equity:
Preferred stock, no par value, authorized 1,000,000 shares; issued and outstanding: none at December 31, 2025, and December 31, 2024	0	0
Common stock, no par value, authorized 185,000,000 shares; issued and outstanding 26,374,967 and 27,065,570 shares at December 31, 2025 and 2024, respectively	381,158	404,494
Additional paid-in capital	107,308	105,054
Retained earnings	191,383	143,259
Accumulated other comprehensive loss	(87,268)	(114,422)
Total shareholders' equity	592,581	538,385	$ 503,815	$ 452,871
Total liabilities and equity	$ 7,409,241	$ 7,472,096
Preferred stock, par value (in dollars per share)	$ 0	$ 0
Preferred stock, authorized (in shares)	1,000,000	1,000,000
Preferred stock, issued (in shares)	0	0
Preferred stock, outstanding (in shares)	0	0
Common stock, par value (in dollars per share)	$ 0	$ 0
Common stock, authorized (in shares)	185,000,000	185,000,000
Common stock, issued (in shares)	26,374,967	27,065,570
Common stock, outstanding (in shares)	26,374,967	27,065,570
Parent Company
Assets
Cash and due from financial institutions	$ 5,528	$ 23,021
Investment in subsidiary bank	633,711	615,441
Other assets	12,137	13,425
Total assets	651,376	651,887
Liabilities and Shareholders' Equity
Long-term debt, net of unamortized debt issuance costs of $0 at December 31, 2025 and $202 at December 31, 2024	51,547	106,345
Other liabilities	7,248	7,157
Total liabilities	58,795	113,502
Shareholders' equity:
Preferred stock, no par value, authorized 1,000,000 shares; issued and outstanding: none at December 31, 2025, and December 31, 2024	0	0
Common stock, no par value, authorized 185,000,000 shares; issued and outstanding 26,374,967 and 27,065,570 shares at December 31, 2025 and 2024, respectively	381,158	404,494
Additional paid-in capital	107,308	105,054
Retained earnings	191,383	143,259
Accumulated other comprehensive loss	(87,268)	(114,422)
Total shareholders' equity	592,581	538,385
Total liabilities and equity	$ 651,376	$ 651,887
Preferred stock, par value (in dollars per share)	$ 0	$ 0
Preferred stock, authorized (in shares)	1,000,000	1,000,000
Preferred stock, issued (in shares)	0	0
Preferred stock, outstanding (in shares)	0	0
Common stock, par value (in dollars per share)	$ 0	$ 0
Common stock, authorized (in shares)	185,000,000	185,000,000
Common stock, issued (in shares)	26,374,967	27,065,570
Common stock, outstanding (in shares)	26,374,967	27,065,570