SECURITIES - Securities Held to Maturity (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Amortized cost and estimated fair value of securities held to maturity
Estimated Fair Value	$ 0	$ 0
Allowance for Credit Losses	680	808
Amortized Cost
Within one year	200
After one, but within five years	0
After five, but within ten years	480
After ten years	0
Total	680
Amortized Cost	680	808
Fair Value
Within one year	200
After one, but within five years	0
After five, but within ten years	480
After ten years	0
Total	680
Total	680	808
Within one year	620
Within one year	620
After one, but within five years	5,041
After one, but within five years	4,620
After five, but within ten years	24,479
After five, but within ten years	22,227
Total	331,286	617,271
Total	280,514	531,442
Obligations of states and political subdivisions
Amortized cost and estimated fair value of securities held to maturity
Amortized Cost	680	808
Unrecognized Gains	0	0
Unrecognized Losses	0	0
Estimated Fair Value	680	808
Allowance for Credit Losses	0	0
Fair Value
Total	0	0
Total	10,302	35,505
Mortgage-backed securities, residential
Amortized Cost
Without single maturity date	0
Fair Value
Without single maturity date	0
Without single maturity date	300,880
Without single maturity date	252,798
Total	$ 252,798	$ 365,934