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Investment Securities - Schedule of Unrealized Loss Positions (Details) - USD ($)
$ in Thousands
Dec. 31, 2023
Dec. 31, 2022
Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, Fair Value [Abstract]    
Less than 12 continuous months $ 62,124 $ 359,313
Greater than or equal to 12 continuous months 738,690 459,948
Total Securities in a loss position 800,814 819,261
Debt Securities, Held-to-maturity, Unrealized Loss Position, Accumulated Loss [Abstract]    
Less than 12 continuous months (676) (23,733)
Greater than or equal to 12 continuous months (109,767) (103,305)
Held-to-maturity, gross unrealized losses (110,443) (127,038)
Debt Securities, Available-For-Sale, Continuous Unrealized Loss Position, Fair Value [Abstract]    
Available-for-sale, less than 12 continuous months, fair value 1,901 354,695
Available-for-sale, greater than 12 continuous months, fair value 549,289 443,274
Available-for-sale, total securities in a loss position, fair value 551,190 797,969
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss [Abstract]    
Available-for-sale, less than 12 continuous months, unrealized loss (8) (33,887)
Available-for-sale, greater than 12 continuous months, unrealized loss (61,446) (56,656)
Available-for-sale, total securities in a loss position, unrealized loss (61,454) (90,543)
Marketable Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]    
Marketable securities, less than 12 continuous months, fair value 64,025 714,008
Marketable securities, greater than 12 continuous months, fair value 1,287,979 903,222
Marketable securities, total securities in a loss position, fair value 1,352,004 1,617,230
Marketable Securities, Continuous Unrealized Loss Position, Accumulated Loss [Abstract]    
Marketable securities, less than 12 continuous months, unrealized loss (684) (57,620)
Marketable securities, greater than 12 continuous months, unrealized loss (171,213) (159,961)
Marketable securities, total securities in a loss position, unrealized loss (171,897) (217,581)
MBS pass-through securities issued by FHLMC, FNMA and GNMA    
Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, Fair Value [Abstract]    
Less than 12 continuous months 0 62,627
Greater than or equal to 12 continuous months 261,865 218,507
Total Securities in a loss position 261,865 281,134
Debt Securities, Held-to-maturity, Unrealized Loss Position, Accumulated Loss [Abstract]    
Less than 12 continuous months 0 (5,960)
Greater than or equal to 12 continuous months (44,396) (44,187)
Held-to-maturity, gross unrealized losses (44,396) (50,147)
Debt Securities, Available-For-Sale, Continuous Unrealized Loss Position, Fair Value [Abstract]    
Available-for-sale, less than 12 continuous months, fair value 0 44,630
Available-for-sale, greater than 12 continuous months, fair value 72,146 52,235
Available-for-sale, total securities in a loss position, fair value 72,146 96,865
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss [Abstract]    
Available-for-sale, less than 12 continuous months, unrealized loss 0 (4,501)
Available-for-sale, greater than 12 continuous months, unrealized loss (9,516) (7,632)
Available-for-sale, total securities in a loss position, unrealized loss (9,516) (12,133)
CMOs issued by FHLMC    
Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, Fair Value [Abstract]    
Less than 12 continuous months 8,662 78,144
Greater than or equal to 12 continuous months 188,657 113,796
Total Securities in a loss position 197,319 191,940
Debt Securities, Held-to-maturity, Unrealized Loss Position, Accumulated Loss [Abstract]    
Less than 12 continuous months (21) (5,874)
Greater than or equal to 12 continuous months (24,848) (23,629)
Held-to-maturity, gross unrealized losses (24,869) (29,503)
Debt Securities, Available-For-Sale, Continuous Unrealized Loss Position, Fair Value [Abstract]    
Available-for-sale, less than 12 continuous months, fair value 1,235 169,760
Available-for-sale, greater than 12 continuous months, fair value 240,414 143,995
Available-for-sale, total securities in a loss position, fair value 241,649 313,755
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss [Abstract]    
Available-for-sale, less than 12 continuous months, unrealized loss (7) (15,144)
Available-for-sale, greater than 12 continuous months, unrealized loss (24,751) (18,538)
Available-for-sale, total securities in a loss position, unrealized loss (24,758) (33,682)
CMOs issued by FNMA    
Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, Fair Value [Abstract]    
Less than 12 continuous months 42,474 106,485
Greater than or equal to 12 continuous months 54,249 0
Total Securities in a loss position 96,723 106,485
Debt Securities, Held-to-maturity, Unrealized Loss Position, Accumulated Loss [Abstract]    
Less than 12 continuous months (411) (5,419)
Greater than or equal to 12 continuous months (4,368) 0
Held-to-maturity, gross unrealized losses (4,779)  
Debt Securities, Available-For-Sale, Continuous Unrealized Loss Position, Fair Value [Abstract]    
Available-for-sale, less than 12 continuous months, fair value 0 8,214
Available-for-sale, greater than 12 continuous months, fair value 21,272 23,612
Available-for-sale, total securities in a loss position, fair value 21,272 31,826
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss [Abstract]    
Available-for-sale, less than 12 continuous months, unrealized loss 0 (374)
Available-for-sale, greater than 12 continuous months, unrealized loss (2,715) (2,922)
Available-for-sale, total securities in a loss position, unrealized loss (2,715) (3,296)
CMOs issued by GNMA    
Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, Fair Value [Abstract]    
Less than 12 continuous months 10,988 27,570
Greater than or equal to 12 continuous months 34,783 10,331
Total Securities in a loss position 45,771 37,901
Debt Securities, Held-to-maturity, Unrealized Loss Position, Accumulated Loss [Abstract]    
Less than 12 continuous months (244) (1,676)
Greater than or equal to 12 continuous months (4,991) (1,400)
Held-to-maturity, gross unrealized losses (5,235) (3,076)
Debt Securities, Available-For-Sale, Continuous Unrealized Loss Position, Fair Value [Abstract]    
Available-for-sale, less than 12 continuous months, fair value 0 4,790
Available-for-sale, greater than 12 continuous months, fair value 17,128 27,529
Available-for-sale, total securities in a loss position, fair value 17,128 32,319
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss [Abstract]    
Available-for-sale, less than 12 continuous months, unrealized loss 0 (235)
Available-for-sale, greater than 12 continuous months, unrealized loss (2,878) (3,617)
Available-for-sale, total securities in a loss position, unrealized loss (2,878) (3,852)
SBA-backed securities    
Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, Fair Value [Abstract]    
Less than 12 continuous months 0 2,239
Greater than or equal to 12 continuous months 1,763 0
Total Securities in a loss position 1,763 2,239
Debt Securities, Held-to-maturity, Unrealized Loss Position, Accumulated Loss [Abstract]    
Less than 12 continuous months 0 (133)
Greater than or equal to 12 continuous months (90) 0
Held-to-maturity, gross unrealized losses (90) (133)
Debt Securities, Available-For-Sale, Continuous Unrealized Loss Position, Fair Value [Abstract]    
Available-for-sale, less than 12 continuous months, fair value 0 37,845
Available-for-sale, greater than 12 continuous months, fair value 19,471 6,133
Available-for-sale, total securities in a loss position, fair value 19,471 43,978
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss [Abstract]    
Available-for-sale, less than 12 continuous months, unrealized loss 0 (3,228)
Available-for-sale, greater than 12 continuous months, unrealized loss (1,655) (143)
Available-for-sale, total securities in a loss position, unrealized loss (1,655) (3,371)
Debentures of government sponsored agencies    
Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, Fair Value [Abstract]    
Less than 12 continuous months 0 38,645
Greater than or equal to 12 continuous months 124,132 80,711
Total Securities in a loss position 124,132 119,356
Debt Securities, Held-to-maturity, Unrealized Loss Position, Accumulated Loss [Abstract]    
Less than 12 continuous months 0 (2,530)
Greater than or equal to 12 continuous months (21,994) (23,937)
Held-to-maturity, gross unrealized losses (21,994) (26,467)
Debt Securities, Available-For-Sale, Continuous Unrealized Loss Position, Fair Value [Abstract]    
Available-for-sale, less than 12 continuous months, fair value 0 19,054
Available-for-sale, greater than 12 continuous months, fair value 66,862 116,052
Available-for-sale, total securities in a loss position, fair value 66,862 135,106
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss [Abstract]    
Available-for-sale, less than 12 continuous months, unrealized loss 0 (946)
Available-for-sale, greater than 12 continuous months, unrealized loss (7,037) (13,062)
Available-for-sale, total securities in a loss position, unrealized loss (7,037) (14,008)
U.S. Treasury securities    
Debt Securities, Available-For-Sale, Continuous Unrealized Loss Position, Fair Value [Abstract]    
Available-for-sale, less than 12 continuous months, fair value 0 0
Available-for-sale, greater than 12 continuous months, fair value 10,623 10,269
Available-for-sale, total securities in a loss position, fair value 10,623 10,269
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss [Abstract]    
Available-for-sale, less than 12 continuous months, unrealized loss 0 0
Available-for-sale, greater than 12 continuous months, unrealized loss (1,300) (1,635)
Available-for-sale, total securities in a loss position, unrealized loss (1,300) (1,635)
Obligations of state and political subdivisions    
Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, Fair Value [Abstract]    
Less than 12 continuous months 0 15,155
Greater than or equal to 12 continuous months 44,437 36,603
Total Securities in a loss position 44,437 51,758
Debt Securities, Held-to-maturity, Unrealized Loss Position, Accumulated Loss [Abstract]    
Less than 12 continuous months 0 (589)
Greater than or equal to 12 continuous months (7,884) (10,152)
Held-to-maturity, gross unrealized losses (7,884) (10,741)
Debt Securities, Available-For-Sale, Continuous Unrealized Loss Position, Fair Value [Abstract]    
Available-for-sale, less than 12 continuous months, fair value 666 70,402
Available-for-sale, greater than 12 continuous months, fair value 90,655 28,711
Available-for-sale, total securities in a loss position, fair value 91,321 99,113
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss [Abstract]    
Available-for-sale, less than 12 continuous months, unrealized loss (1) (9,459)
Available-for-sale, greater than 12 continuous months, unrealized loss (10,320) (5,302)
Available-for-sale, total securities in a loss position, unrealized loss (10,321) (14,761)
Corporate bonds    
Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, Fair Value [Abstract]    
Less than 12 continuous months 0 28,448
Greater than or equal to 12 continuous months 28,804 0
Total Securities in a loss position 28,804 28,448
Debt Securities, Held-to-maturity, Unrealized Loss Position, Accumulated Loss [Abstract]    
Less than 12 continuous months 0 (1,552)
Greater than or equal to 12 continuous months (1,196) 0
Held-to-maturity, gross unrealized losses (1,196) (1,552)
Debt Securities, Available-For-Sale, Continuous Unrealized Loss Position, Fair Value [Abstract]    
Available-for-sale, less than 12 continuous months, fair value 0 0
Available-for-sale, greater than 12 continuous months, fair value 10,718 33,276
Available-for-sale, total securities in a loss position, fair value 10,718 33,276
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss [Abstract]    
Available-for-sale, less than 12 continuous months, unrealized loss 0 0
Available-for-sale, greater than 12 continuous months, unrealized loss (1,274) (3,714)
Available-for-sale, total securities in a loss position, unrealized loss (1,274) (3,714)
Asset-backed securities    
Debt Securities, Available-For-Sale, Continuous Unrealized Loss Position, Fair Value [Abstract]    
Available-for-sale, less than 12 continuous months, fair value 0 0
Available-for-sale, greater than 12 continuous months, fair value 0 1,462
Available-for-sale, total securities in a loss position, fair value 0 1,462
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss [Abstract]    
Available-for-sale, less than 12 continuous months, unrealized loss 0 0
Available-for-sale, greater than 12 continuous months, unrealized loss 0 (91)
Available-for-sale, total securities in a loss position, unrealized loss $ 0 $ (91)