INVESTMENT SECURITIES - Continuous loss position (Details) - USD ($)	Mar. 31, 2026	Dec. 31, 2025
Fair Value
12 Months or Longer	$ 2,776,619	$ 2,841,983
Total	2,776,619	2,841,983
Unrealized Losses
12 Months or Longer	150,937	139,375
Total	150,937	139,375
Municipal securities
Fair Value
12 Months or Longer	527,538	528,782
Total	527,538	528,782
Unrealized Losses
12 Months or Longer	3,535	4,207
Total	3,535	4,207
Collateralized mortgage obligation bonds
Fair Value
12 Months or Longer	46,013	49,717
Total	46,013	49,717
Unrealized Losses
12 Months or Longer	1,327	1,263
Total	1,327	1,263
Mortgage-backed securities
Fair Value
12 Months or Longer	774,171	825,648
Total	774,171	825,648
Unrealized Losses
12 Months or Longer	77,121	73,994
Total	77,121	73,994
U.S. government agencies
Fair Value
12 Months or Longer	1,428,897	1,437,836
Total	1,428,897	1,437,836
Unrealized Losses
12 Months or Longer	68,954	59,911
Total	$ 68,954	$ 59,911

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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for more than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for 12 months or longer, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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