FAIR VALUE MEASUREMENTS - Schedule of Financial Assets and Financial Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Financial assets and financial liabilities measured at fair value
Debt securities available for sale	$ 2,162,548	$ 1,810,221
Equity securities	14,916	15,862
Obligations of U.S. government corporations and agencies
Financial assets and financial liabilities measured at fair value
Debt securities available for sale	112,046	1,400
Obligations of states and political subdivisions
Financial assets and financial liabilities measured at fair value
Debt securities available for sale	263,873	139,829
Asset-backed securities
Financial assets and financial liabilities measured at fair value
Debt securities available for sale	265,580	336,557
Commercial mortgage-backed securities
Financial assets and financial liabilities measured at fair value
Debt securities available for sale	132,942	92,174
Residential mortgage-backed securities
Financial assets and financial liabilities measured at fair value
Debt securities available for sale	1,344,416	1,087,210
Corporate debt securities
Financial assets and financial liabilities measured at fair value
Debt securities available for sale	43,691	153,051
Fair Value, Recurring
Financial assets and financial liabilities measured at fair value
Derivative assets	30,932	30,373
Derivative liabilities	42,220	58,099
Fair Value, Recurring | Obligations of U.S. government corporations and agencies
Financial assets and financial liabilities measured at fair value
Debt securities available for sale	112,046	1,400
Fair Value, Recurring | Obligations of states and political subdivisions
Financial assets and financial liabilities measured at fair value
Debt securities available for sale	263,873	139,829
Fair Value, Recurring | Asset-backed securities
Financial assets and financial liabilities measured at fair value
Debt securities available for sale	265,580	336,557
Fair Value, Recurring | Commercial mortgage-backed securities
Financial assets and financial liabilities measured at fair value
Debt securities available for sale	132,942	92,174
Fair Value, Recurring | Residential mortgage-backed securities
Financial assets and financial liabilities measured at fair value
Debt securities available for sale	1,344,416	1,087,210
Fair Value, Recurring | Corporate debt securities
Financial assets and financial liabilities measured at fair value
Debt securities available for sale	43,691	153,051
Fair Value, Recurring | Equity securities
Financial assets and financial liabilities measured at fair value
Equity securities	14,916	15,862
Fair Value, Recurring | Level 1 Inputs
Financial assets and financial liabilities measured at fair value
Derivative assets	0	0
Derivative liabilities	0	0
Fair Value, Recurring | Level 1 Inputs | Obligations of U.S. government corporations and agencies
Financial assets and financial liabilities measured at fair value
Debt securities available for sale	0	0
Fair Value, Recurring | Level 1 Inputs | Obligations of states and political subdivisions
Financial assets and financial liabilities measured at fair value
Debt securities available for sale	0	0
Fair Value, Recurring | Level 1 Inputs | Asset-backed securities
Financial assets and financial liabilities measured at fair value
Debt securities available for sale	0	0
Fair Value, Recurring | Level 1 Inputs | Commercial mortgage-backed securities
Financial assets and financial liabilities measured at fair value
Debt securities available for sale	0	0
Fair Value, Recurring | Level 1 Inputs | Residential mortgage-backed securities
Financial assets and financial liabilities measured at fair value
Debt securities available for sale	0	0
Fair Value, Recurring | Level 1 Inputs | Corporate debt securities
Financial assets and financial liabilities measured at fair value
Debt securities available for sale	0	0
Fair Value, Recurring | Level 1 Inputs | Equity securities
Financial assets and financial liabilities measured at fair value
Equity securities	155	5,567
Fair Value, Recurring | Level 2 Inputs
Financial assets and financial liabilities measured at fair value
Derivative assets	30,902	30,368
Derivative liabilities	42,155	58,099
Fair Value, Recurring | Level 2 Inputs | Obligations of U.S. government corporations and agencies
Financial assets and financial liabilities measured at fair value
Debt securities available for sale	112,046	1,400
Fair Value, Recurring | Level 2 Inputs | Obligations of states and political subdivisions
Financial assets and financial liabilities measured at fair value
Debt securities available for sale	263,873	139,829
Fair Value, Recurring | Level 2 Inputs | Asset-backed securities
Financial assets and financial liabilities measured at fair value
Debt securities available for sale	265,580	336,557
Fair Value, Recurring | Level 2 Inputs | Commercial mortgage-backed securities
Financial assets and financial liabilities measured at fair value
Debt securities available for sale	132,942	92,174
Fair Value, Recurring | Level 2 Inputs | Residential mortgage-backed securities
Financial assets and financial liabilities measured at fair value
Debt securities available for sale	1,344,416	1,087,210
Fair Value, Recurring | Level 2 Inputs | Corporate debt securities
Financial assets and financial liabilities measured at fair value
Debt securities available for sale	43,691	153,051
Fair Value, Recurring | Level 2 Inputs | Equity securities
Financial assets and financial liabilities measured at fair value
Equity securities	14,761	10,295
Fair Value, Recurring | Level 3 Inputs
Financial assets and financial liabilities measured at fair value
Derivative assets	30	5
Derivative liabilities	65	0
Fair Value, Recurring | Level 3 Inputs | Obligations of U.S. government corporations and agencies
Financial assets and financial liabilities measured at fair value
Debt securities available for sale	0	0
Fair Value, Recurring | Level 3 Inputs | Obligations of states and political subdivisions
Financial assets and financial liabilities measured at fair value
Debt securities available for sale	0	0
Fair Value, Recurring | Level 3 Inputs | Asset-backed securities
Financial assets and financial liabilities measured at fair value
Debt securities available for sale	0	0
Fair Value, Recurring | Level 3 Inputs | Commercial mortgage-backed securities
Financial assets and financial liabilities measured at fair value
Debt securities available for sale	0	0
Fair Value, Recurring | Level 3 Inputs | Residential mortgage-backed securities
Financial assets and financial liabilities measured at fair value
Debt securities available for sale	0	0
Fair Value, Recurring | Level 3 Inputs | Corporate debt securities
Financial assets and financial liabilities measured at fair value
Debt securities available for sale	0	0
Fair Value, Recurring | Level 3 Inputs | Equity securities
Financial assets and financial liabilities measured at fair value
Equity securities	$ 0	$ 0