SECURITIES - Continuous Unrealized Loss Position (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Fair Value
Total	$ 0
Agency notes
Fair Value
12 Consecutive Months or Longer	9,689	$ 9,371
Total	9,689	9,371
Unrealized Losses
12 Consecutive Months or Longer	311	629
Total	311	629
Treasury securities
Fair Value
12 Consecutive Months or Longer	161,371	234,190
Total	161,371	234,190
Unrealized Losses
12 Consecutive Months or Longer	4,907	11,687
Total	4,907	11,687
Corporate securities
Fair Value
Less than 12 Consecutive Months	3,700	20,935
12 Consecutive Months or Longer	134,359	130,235
Total	138,059	151,170
Unrealized Losses
Less than 12 Consecutive Months	300	917
12 Consecutive Months or Longer	13,587	22,891
Total	13,887	23,808
Pass-through MBS issued by GSEs
Fair Value
12 Consecutive Months or Longer	177,238	203,469
Total	177,238	203,469
Unrealized Losses
12 Consecutive Months or Longer	18,495	24,978
Total	18,495	24,978
Agency CMOs
Fair Value
12 Consecutive Months or Longer	230,244	251,900
Total	230,244	251,900
Unrealized Losses
12 Consecutive Months or Longer	38,965	46,491
Total	38,965	46,491
State and municipal obligations
Fair Value
Less than 12 Consecutive Months		1,796
12 Consecutive Months or Longer	22,309	21,513
Total	22,309	23,309
Unrealized Losses
Less than 12 Consecutive Months		54
12 Consecutive Months or Longer	1,345	1,878
Total	$ 1,345	$ 1,932