v3.26.1
SECURITIES (Schedule of Securities) (Details) - USD ($)
$ in Thousands
Mar. 31, 2026
Dec. 31, 2025
Schedule of Securities [Line Items]    
Debt Securities, Available-for-sale, Amortized Cost $ 2,294,225 $ 2,271,471
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax 7,346 8,191
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax 266,550 263,401
Debt Securities, Available-for-Sale 2,035,021 2,016,261
Held-to-maturity Securities, Amortized Cost 943,973 961,487
Held-to-maturity Securities, Gross Unrealized Gains 13 34
Held-to-maturity Securities, Gross Unrealized Losses 151,938 146,562
Securities—held-to-maturity 791,763 814,668
Allowance for Credit Losses (285) (291)
debt securities, held-to-maturity, accrued interest receivable 3,600 4,100
Debt Securities, Available-for-Sale, Accrued Interest Receivable 8,600 8,300
U.S. Government and agency obligations    
Schedule of Securities [Line Items]    
Debt Securities, Available-for-sale, Amortized Cost 9,401 6,454
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax 4 0
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax 321 311
Debt Securities, Available-for-Sale 9,084 6,143
Held-to-maturity Securities, Amortized Cost 221 262
Held-to-maturity Securities, Gross Unrealized Gains 1 0
Held-to-maturity Securities, Gross Unrealized Losses 1 2
Securities—held-to-maturity 221 260
Allowance for Credit Losses 0 0
Municipal bonds    
Schedule of Securities [Line Items]    
Debt Securities, Available-for-sale, Amortized Cost 174,395 169,386
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax 561 1,070
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax 28,519 26,999
Debt Securities, Available-for-Sale 146,437 143,457
Held-to-maturity Securities, Amortized Cost 429,069 430,571
Held-to-maturity Securities, Gross Unrealized Gains 12 34
Held-to-maturity Securities, Gross Unrealized Losses 63,613 56,311
Securities—held-to-maturity 365,329 374,149
Allowance for Credit Losses (139) (145)
Corporate bonds    
Schedule of Securities [Line Items]    
Debt Securities, Available-for-sale, Amortized Cost 126,077 115,982
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax 4,590 4,646
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax 3,047 2,839
Debt Securities, Available-for-Sale 127,620 117,789
Held-to-maturity Securities, Amortized Cost 2,516 2,544
Held-to-maturity Securities, Gross Unrealized Gains 0 0
Held-to-maturity Securities, Gross Unrealized Losses 1 0
Securities—held-to-maturity 2,369 2,398
Allowance for Credit Losses (146) (146)
Mortgage-backed or related securities    
Schedule of Securities [Line Items]    
Debt Securities, Available-for-sale, Amortized Cost 1,783,306 1,827,227
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax 2,115 2,313
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax 234,606 233,208
Debt Securities, Available-for-Sale 1,550,815 1,596,332
Held-to-maturity Securities, Amortized Cost 512,167 528,110
Held-to-maturity Securities, Gross Unrealized Gains 0 0
Held-to-maturity Securities, Gross Unrealized Losses 88,323 90,249
Securities—held-to-maturity 423,844 437,861
Allowance for Credit Losses 0 0
Asset-backed securities    
Schedule of Securities [Line Items]    
Debt Securities, Available-for-sale, Amortized Cost 201,046 152,422
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax 76 162
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax 57 44
Debt Securities, Available-for-Sale $ 201,065 $ 152,540