SECURITIES, Securities with Unrealized Losses, Available for Sale (Details) $ in Thousands	Sep. 30, 2023 USD ($) Security	Dec. 31, 2022 USD ($)
Available for sale, Fair Value [Abstract]
Less than 12 months	$ 5,592	$ 531,308
12 months or more	579,377	165,755
Total	584,969	697,063
Available for sale, Unrealized Loss [Abstract]
Less than 12 months	296	61,951
12 months or more	128,445	40,834
Total	$ 128,741	102,785
Number of securities with an unrealized loss \| Security	149
State and Municipal [Member]
Available for sale, Fair Value [Abstract]
Less than 12 months	$ 2,326	162,746
12 months or more	158,247	57,675
Total	160,573	220,421
Available for sale, Unrealized Loss [Abstract]
Less than 12 months	52	23,538
12 months or more	42,808	10,863
Total	42,860	34,401
Residential Mortgage-backed Securities [Member]
Available for sale, Fair Value [Abstract]
Less than 12 months	9	220,752
12 months or more	285,342	108,080
Total	285,351	328,832
Available for sale, Unrealized Loss [Abstract]
Less than 12 months	0	27,967
12 months or more	73,054	29,971
Total	73,054	57,938
Commercial Mortgage-backed Securities [Member]
Available for sale, Fair Value [Abstract]
Less than 12 months	0	41,966
12 months or more	39,714	0
Total	39,714	41,966
Available for sale, Unrealized Loss [Abstract]
Less than 12 months	0	7,194
12 months or more	8,505	0
Total	8,505	7,194
Commercial Collateralized Mortgage Obligations [Member]
Available for sale, Fair Value [Abstract]
Less than 12 months	0	75,638
12 months or more	71,953	0
Total	71,953	75,638
Available for sale, Unrealized Loss [Abstract]
Less than 12 months	0	551
12 months or more	659	0
Total	659	551
Asset-backed and Other Amortizing Securities [Member]
Available for sale, Fair Value [Abstract]
Less than 12 months	0	19,094
12 months or more	16,763	0
Total	16,763	19,094
Available for sale, Unrealized Loss [Abstract]
Less than 12 months	0	1,813
12 months or more	2,278	0
Total	2,278	1,813
Other Securities [Member]
Available for sale, Fair Value [Abstract]
Less than 12 months	3,257	11,112
12 months or more	7,358	0
Total	10,615	11,112
Available for sale, Unrealized Loss [Abstract]
Less than 12 months	244	888
12 months or more	1,141	0
Total	$ 1,385	$ 888

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