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SECURITIES (Schedule of Gross Unrealized Losses and Fair Value of Investments) (Details) - USD ($) $ in Thousands | Jun. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Debt and Equity Securities, FV-NI [Line Items] |  |
Less than 12 months, Fair Value | $ 154,673 | $ 1,285,632
Less than 12 Months, Unrealized Losses | (9,707) | (140,392)
More than 12 Months, Fair Value | 2,017,871 | 1,392,153
More than 12 Months, Unrealized Losses | (440,465) | (322,446)
Total, Fair Value | 2,172,544 | 2,677,785
Unrealized Losses, Total | (450,172) | (462,838)
U.S. government and agency securities |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Less than 12 months, Fair Value | 0 | 2,594
Less than 12 Months, Unrealized Losses | 0 | (166)
More than 12 Months, Fair Value | 61,311 | 59,269
More than 12 Months, Unrealized Losses | (8,012) | (8,087)
Total, Fair Value | 61,311 | 61,863
Unrealized Losses, Total | (8,012) | (8,253)
Obligations of states and political subdivisions |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Less than 12 months, Fair Value | 16,301 | 588,668
Less than 12 Months, Unrealized Losses | (399) | (86,895)
More than 12 Months, Fair Value | 493,512 | 187,375
More than 12 Months, Unrealized Losses | (136,149) | (65,806)
Total, Fair Value | 509,813 | 776,043
Unrealized Losses, Total | (136,548) | (152,701)
Corporate and other bonds |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Less than 12 months, Fair Value | 17,735 | 206,861
Less than 12 Months, Unrealized Losses | (1,801) | (15,019)
More than 12 Months, Fair Value | 122,437 | 17,121
More than 12 Months, Unrealized Losses | (25,622) | (2,580)
Total, Fair Value | 140,172 | 223,982
Unrealized Losses, Total | (27,423) | (17,599)
Commercial |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Less than 12 months, Fair Value | 36,548 | 139,980
Less than 12 Months, Unrealized Losses | (3,970) | (9,255)
More than 12 Months, Fair Value | 221,444 | 155,743
More than 12 Months, Unrealized Losses | (41,684) | (34,257)
Total, Fair Value | 257,992 | 295,723
Unrealized Losses, Total | (45,654) | (43,512)
Residential |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Less than 12 months, Fair Value | 82,386 | 347,529
Less than 12 Months, Unrealized Losses | (3,537) | (29,057)
More than 12 Months, Fair Value | 1,119,167 | 972,645
More than 12 Months, Unrealized Losses | (228,998) | (211,716)
Total, Fair Value | 1,201,553 | 1,320,174
Unrealized Losses, Total | (232,535) | (240,773)
Agency | Commercial |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Less than 12 months, Fair Value | 36,548 | 73,362
Less than 12 Months, Unrealized Losses | (3,970) | (7,024)
More than 12 Months, Fair Value | 145,684 | 127,193
More than 12 Months, Unrealized Losses | (39,061) | (32,244)
Total, Fair Value | 182,232 | 200,555
Unrealized Losses, Total | (43,031) | (39,268)
Agency | Residential |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Less than 12 months, Fair Value | 68,272 | 328,590
Less than 12 Months, Unrealized Losses | (3,433) | (27,769)
More than 12 Months, Fair Value | 1,069,156 | 929,581
More than 12 Months, Unrealized Losses | (222,799) | (206,192)
Total, Fair Value | 1,137,428 | 1,258,171
Unrealized Losses, Total | (226,232) | (233,961)
Non-agency | Commercial |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Less than 12 months, Fair Value | 0 | 66,618
Less than 12 Months, Unrealized Losses | 0 | (2,231)
More than 12 Months, Fair Value | 75,760 | 28,550
More than 12 Months, Unrealized Losses | (2,623) | (2,013)
Total, Fair Value | 75,760 | 95,168
Unrealized Losses, Total | (2,623) | (4,244)
Non-agency | Residential |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Less than 12 months, Fair Value | 14,114 | 18,939
Less than 12 Months, Unrealized Losses | (104) | (1,288)
More than 12 Months, Fair Value | 50,011 | 43,064
More than 12 Months, Unrealized Losses | (6,199) | (5,524)
Total, Fair Value | 64,125 | 62,003
Unrealized Losses, Total | $ (6,303) | $ (6,812)

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