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v3.21.1

SECURITIES - Amortized cost and Fair values of securities with gross unrealized gains and losses (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2021 | Dec. 31, 2020
Available-for-sale |  |
Amortized Cost | $ 851,299 | $ 899,700
Gross Unrealized Gains | 17,441 | 24,260
Gross Unrealized Losses | (11,905) | (1,091)
Fair Value | 856,835 | 922,869
Held-to-maturity |  |
Amortized Cost | 192,994 | 68,395
Gross Unrealized Gains | 2,899 | 4,064
Gross Unrealized Losses | (285) | (18)
Fair Value | 195,608 | 72,441
Total Amortized Cost | 1,044,293 | 968,095
Total Gross Unrealized Gains | 20,340 | 28,324
Total Gross Unrealized Losses | (12,190) | (1,109)
Total Fair Value | 1,052,443 | 995,310
U.S. government agency |  |
Available-for-sale |  |
Amortized Cost | 129,494 | 118,282
Gross Unrealized Gains | 1,785 | 3,720
Gross Unrealized Losses | (3,341) | (9)
Fair Value | 127,938 | 121,993
Held-to-maturity |  |
Amortized Cost | 7,323 |
Fair Value | 7,323 |
Municipal |  |
Available-for-sale |  |
Amortized Cost | 280,212 | 265,309
Gross Unrealized Gains | 6,479 | 9,232
Gross Unrealized Losses | (4,358) | (280)
Fair Value | 282,333 | 274,261
Held-to-maturity |  |
Amortized Cost | 21,067 | 22,484
Gross Unrealized Gains | 1,188 | 1,390
Fair Value | 22,255 | 23,874
Mortgage-backed: Agency residential |  |
Available-for-sale |  |
Amortized Cost | 164,942 | 198,543
Gross Unrealized Gains | 4,366 | 4,871
Gross Unrealized Losses | (204) | (162)
Fair Value | 169,104 | 203,252
Held-to-maturity |  |
Amortized Cost | 20,335 | 13,031
Gross Unrealized Gains | 388 | 452
Fair Value | 20,723 | 13,483
Mortgage-backed: Agency commercial |  |
Available-for-sale |  |
Amortized Cost | 208,692 | 246,649
Gross Unrealized Gains | 2,861 | 4,651
Gross Unrealized Losses | (3,556) | (534)
Fair Value | 207,997 | 250,766
Held-to-maturity |  |
Amortized Cost | 144,269 | 32,880
Gross Unrealized Gains | 1,323 | 2,222
Gross Unrealized Losses | (285) | (18)
Fair Value | 145,307 | 35,084
Corporate |  |
Available-for-sale |  |
Amortized Cost | 67,959 | 70,917
Gross Unrealized Gains | 1,950 | 1,786
Gross Unrealized Losses | (446) | (106)
Fair Value | $ 69,463 | $ 72,597

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- Definition Amount of accumulated unrecognized gain on investment in debt security available for sale and held to maturity at amortized cost. + References No definition available. + Details
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