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v3.22.2.2

Securities Available for Sale - Aggregate Unrealized Losses and Fair Value (Details) | Sep. 30, 2022 USD ($) security | Dec. 31, 2021 USD ($) security
--- | --- | ---
Number of Securities |  |
Less than 12 months | security | 233 | 152
12 months or longer | security | 110 | 20
Total | security | 343 | 172
Fair Value |  |
Less than 12 months | $ 791,689,000 | $ 1,764,910,000
12 months or longer | 1,196,726,000 | 174,593,000
Total | 1,988,415,000 | 1,939,503,000
Gross Unrealized Losses |  |
Less than 12 months | (81,750,000) | (29,377,000)
12 months or longer | (246,606,000) | (6,262,000)
Total | $ (328,356,000) | $ (35,639,000)
Collateralized mortgage obligations |  |
Number of Securities |  |
Less than 12 months | security | 87 | 39
12 months or longer | security | 36 | 2
Total | security | 123 | 41
Fair Value |  |
Less than 12 months | $ 213,800,000 | $ 757,799,000
12 months or longer | 605,594,000 | 37,438,000
Total | 819,394,000 | 795,237,000
Gross Unrealized Losses |  |
Less than 12 months | (23,090,000) | (15,445,000)
12 months or longer | (126,644,000) | (1,025,000)
Total | (149,734,000) | $ (16,470,000)
Allowance for credit losses for available for sale securities | 0 |
Mortgage-backed securities |  |
Gross Unrealized Losses |  |
Allowance for credit losses for available for sale securities | $ 0 |
Mortgage-backed securities: Residential |  |
Number of Securities |  |
Less than 12 months | security | 31 | 49
12 months or longer | security | 34 | 13
Total | security | 65 | 62
Fair Value |  |
Less than 12 months | $ 102,932,000 | $ 603,372,000
12 months or longer | 353,658,000 | 75,211,000
Total | 456,590,000 | 678,583,000
Gross Unrealized Losses |  |
Less than 12 months | (16,266,000) | (9,371,000)
12 months or longer | (83,141,000) | (2,503,000)
Total | $ (99,407,000) | $ (11,874,000)
Mortgage-backed securities: Commercial |  |
Number of Securities |  |
Less than 12 months | security | 42 | 24
12 months or longer | security | 13 | 4
Total | security | 55 | 28
Fair Value |  |
Less than 12 months | $ 259,911,000 | $ 214,384,000
12 months or longer | 119,704,000 | 57,656,000
Total | 379,615,000 | 272,040,000
Gross Unrealized Losses |  |
Less than 12 months | (23,430,000) | (3,339,000)
12 months or longer | (23,438,000) | (2,021,000)
Total | $ (46,868,000) | $ (5,360,000)
Corporate securities |  |
Number of Securities |  |
Less than 12 months | security | 1 | 4
12 months or longer | security | 5 | 1
Total | security | 6 | 5
Fair Value |  |
Less than 12 months | $ 3,533,000 | $ 14,067,000
12 months or longer | 15,182,000 | 4,288,000
Total | 18,715,000 | 18,355,000
Gross Unrealized Losses |  |
Less than 12 months | (467,000) | (331,000)
12 months or longer | (4,180,000) | (713,000)
Total | (4,647,000) | $ (1,044,000)
Allowance for credit losses for available for sale securities | $ 0 |
Municipal securities |  |
Number of Securities |  |
Less than 12 months | security | 61 | 23
12 months or longer | security | 13 | 0
Total | security | 74 | 23
Fair Value |  |
Less than 12 months | $ 131,751,000 | $ 59,403,000
12 months or longer | 30,683,000 | 0
Total | 162,434,000 | 59,403,000
Gross Unrealized Losses |  |
Less than 12 months | (13,514,000) | (767,000)
12 months or longer | (4,317,000) | 0
Total | $ (17,831,000) | $ (767,000)
U.S. Government Agency and U.S. Government Sponsored Enterprises |  |
Gross Unrealized Losses |  |
Percentage of portfolio | 85.00% |
Asset-backed Securities |  |
Number of Securities |  |
Less than 12 months | security | 9 | 13
12 months or longer | security | 9 | 0
Total | security | 18 | 13
Fair Value |  |
Less than 12 months | $ 71,998,000 | $ 115,885,000
12 months or longer | 71,905,000 | 0
Total | 143,903,000 | 115,885,000
Gross Unrealized Losses |  |
Less than 12 months | (4,759,000) | (124,000)
12 months or longer | (4,886,000) | 0
Total | $ (9,645,000) | $ (124,000)
US Treasury Notes Securities |  |
Number of Securities |  |
Less than 12 months | security | 1 |
12 months or longer | security | 0 |
Total | security | 1 |
Fair Value |  |
Less than 12 months | $ 3,889,000 |
12 months or longer | 0 |
Total | 3,889,000 |
Gross Unrealized Losses |  |
Less than 12 months | (99,000) |
12 months or longer | 0 |
Total | $ (99,000) |
Agency Securities |  |
Number of Securities |  |
Less than 12 months | security | 1 |
12 months or longer | security | 0 |
Total | security | 1 |
Fair Value |  |
Less than 12 months | $ 3,875,000 |
12 months or longer | 0 |
Total | 3,875,000 |
Gross Unrealized Losses |  |
Less than 12 months | (125,000) |
12 months or longer | 0 |
Total | $ (125,000) |

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