FAIR VALUE MEASUREMENTS AND DISCLOSURES - Assets measured at fair value on recurring basis (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
FAIR VALUE MEASUREMENTS AND DISCLOSURES
Available for sale securities	$ 308,648	$ 339,477
Level 1
FAIR VALUE MEASUREMENTS AND DISCLOSURES
Available for sale securities	0	0
Level 2
FAIR VALUE MEASUREMENTS AND DISCLOSURES
Available for sale securities	308,648	339,477
Level 3
FAIR VALUE MEASUREMENTS AND DISCLOSURES
Available for sale securities	0	0
Fair Value, Recurring
FAIR VALUE MEASUREMENTS AND DISCLOSURES
Available for sale securities	308,648	339,477
Fair Value, Recurring | Level 1
FAIR VALUE MEASUREMENTS AND DISCLOSURES
Available for sale securities	0	0
Fair Value, Recurring | Level 2
FAIR VALUE MEASUREMENTS AND DISCLOSURES
Available for sale securities	308,648	339,477
Fair Value, Recurring | Level 3
FAIR VALUE MEASUREMENTS AND DISCLOSURES
Available for sale securities	0	0
U.S. Treasuries
FAIR VALUE MEASUREMENTS AND DISCLOSURES
Available for sale securities	117,045	115,458
U.S. Treasuries | Fair Value, Recurring
FAIR VALUE MEASUREMENTS AND DISCLOSURES
Available for sale securities	117,045	115,458
U.S. Treasuries | Fair Value, Recurring | Level 1
FAIR VALUE MEASUREMENTS AND DISCLOSURES
Available for sale securities	0	0
U.S. Treasuries | Fair Value, Recurring | Level 2
FAIR VALUE MEASUREMENTS AND DISCLOSURES
Available for sale securities	117,045	115,458
U.S. Treasuries | Fair Value, Recurring | Level 3
FAIR VALUE MEASUREMENTS AND DISCLOSURES
Available for sale securities	0	0
Mortgage-backed securities
FAIR VALUE MEASUREMENTS AND DISCLOSURES
Available for sale securities	42,512	47,785
Mortgage-backed securities | Fair Value, Recurring
FAIR VALUE MEASUREMENTS AND DISCLOSURES
Available for sale securities	42,512	47,785
Mortgage-backed securities | Fair Value, Recurring | Level 1
FAIR VALUE MEASUREMENTS AND DISCLOSURES
Available for sale securities	0	0
Mortgage-backed securities | Fair Value, Recurring | Level 2
FAIR VALUE MEASUREMENTS AND DISCLOSURES
Available for sale securities	42,512	47,785
Mortgage-backed securities | Fair Value, Recurring | Level 3
FAIR VALUE MEASUREMENTS AND DISCLOSURES
Available for sale securities	0	0
Collateralized mortgage obligations
FAIR VALUE MEASUREMENTS AND DISCLOSURES
Available for sale securities	68,864	95,006
Collateralized mortgage obligations | Fair Value, Recurring
FAIR VALUE MEASUREMENTS AND DISCLOSURES
Available for sale securities	68,864	95,006
Collateralized mortgage obligations | Fair Value, Recurring | Level 1
FAIR VALUE MEASUREMENTS AND DISCLOSURES
Available for sale securities	0	0
Collateralized mortgage obligations | Fair Value, Recurring | Level 2
FAIR VALUE MEASUREMENTS AND DISCLOSURES
Available for sale securities	68,864	95,006
Collateralized mortgage obligations | Fair Value, Recurring | Level 3
FAIR VALUE MEASUREMENTS AND DISCLOSURES
Available for sale securities	0	0
States and political subdivisions
FAIR VALUE MEASUREMENTS AND DISCLOSURES
Available for sale securities	80,227	81,228
States and political subdivisions | Fair Value, Recurring
FAIR VALUE MEASUREMENTS AND DISCLOSURES
Available for sale securities	80,227	81,228
States and political subdivisions | Fair Value, Recurring | Level 1
FAIR VALUE MEASUREMENTS AND DISCLOSURES
Available for sale securities	0	0
States and political subdivisions | Fair Value, Recurring | Level 2
FAIR VALUE MEASUREMENTS AND DISCLOSURES
Available for sale securities	80,227	81,228
States and political subdivisions | Fair Value, Recurring | Level 3
FAIR VALUE MEASUREMENTS AND DISCLOSURES
Available for sale securities	$ 0	$ 0