SECURITIES - Schedule of Available For Sale of Securities Continuous Unrealized Loss Position (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Schedule of Available-for-sale Securities
Less than 12 months, fair value	$ 1,130,257	$ 496,891
12 months or more, fair value	139,382	51,468
Total fair value	1,269,639	548,359
Less than 12 months, unrealized losses	106,993	6,714
12 Months or more, unrealized losses	15,701	1,941
Total unrealized losses	122,694	8,655
U.S. Treasury securities
Schedule of Available-for-sale Securities
Less than 12 months, fair value	2,246
12 months or more, fair value	0
Total fair value	2,246
Less than 12 months, unrealized losses	4
12 Months or more, unrealized losses	0
Total unrealized losses	4
U.S. government sponsored agencies
Schedule of Available-for-sale Securities
Less than 12 months, fair value	126,338	85,968
12 months or more, fair value	26,554	28,676
Total fair value	152,892	114,644
Less than 12 months, unrealized losses	8,757	1,364
12 Months or more, unrealized losses	2,865	1,081
Total unrealized losses	11,622	2,445
Mortgage-backed securities: residential
Schedule of Available-for-sale Securities
Less than 12 months, fair value	441,367	272,264
12 months or more, fair value	109,331	22,792
Total fair value	550,698	295,056
Less than 12 months, unrealized losses	26,752	4,076
12 Months or more, unrealized losses	12,261	860
Total unrealized losses	39,013	4,936
Mortgage-backed securities: commercial
Schedule of Available-for-sale Securities
Less than 12 months, fair value	96
12 months or more, fair value	0
Total fair value	96
Less than 12 months, unrealized losses	0
12 Months or more, unrealized losses	0
Total unrealized losses	0
State and municipal securities
Schedule of Available-for-sale Securities
Less than 12 months, fair value	560,210	138,659
12 months or more, fair value	3,497	0
Total fair value	563,707	138,659
Less than 12 months, unrealized losses	71,480	1,274
12 Months or more, unrealized losses	575	0
Total unrealized losses	$ 72,055	$ 1,274