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v3.23.2

Securities Available for Sale - Aggregate Unrealized Losses and Fair Value (Details) | Jun. 30, 2023 USD ($) security | Dec. 31, 2022 USD ($) security
--- | --- | ---
Number of Securities |  |
Less than 12 months | security | 45 | 150
12 months or longer | security | 287 | 179
Total | security | 332 | 329
Fair Value |  |
Less than 12 months | $ 141,862,000 | $ 488,959,000
12 months or longer | 1,730,025,000 | 1,443,090,000
Total | 1,871,887,000 | 1,932,049,000
Gross Unrealized Losses |  |
Less than 12 months | (5,125,000) | (37,420,000)
12 months or longer | (313,105,000) | (280,662,000)
Total | $ (318,230,000) | $ (318,082,000)
Collateralized mortgage obligations |  |
Number of Securities |  |
Less than 12 months | security | 6 | 61
12 months or longer | security | 112 | 59
Total | security | 118 | 120
Fair Value |  |
Less than 12 months | $ 14,563,000 | $ 150,419,000
12 months or longer | 737,177,000 | 643,280,000
Total | 751,740,000 | 793,699,000
Gross Unrealized Losses |  |
Less than 12 months | (1,078,000) | (14,888,000)
12 months or longer | (152,030,000) | (138,954,000)
Total | (153,108,000) | $ (153,842,000)
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 | 2 | 23
12 months or longer | security | 63 | 42
Total | security | 65 | 65
Fair Value |  |
Less than 12 months | $ 5,062,000 | $ 55,645,000
12 months or longer | 430,086,000 | 397,532,000
Total | 435,148,000 | 453,177,000
Gross Unrealized Losses |  |
Less than 12 months | (266,000) | (5,616,000)
12 months or longer | (86,731,000) | (85,291,000)
Total | $ (86,997,000) | $ (90,907,000)
Mortgage-backed securities: Commercial |  |
Number of Securities |  |
Less than 12 months | security | 8 | 29
12 months or longer | security | 48 | 26
Total | security | 56 | 55
Fair Value |  |
Less than 12 months | $ 48,910,000 | $ 172,963,000
12 months or longer | 303,941,000 | 195,324,000
Total | 352,851,000 | 368,287,000
Gross Unrealized Losses |  |
Less than 12 months | (2,633,000) | (12,156,000)
12 months or longer | (52,488,000) | (36,798,000)
Total | $ (55,121,000) | $ (48,954,000)
Corporate securities |  |
Number of Securities |  |
Less than 12 months | security | 0 | 1
12 months or longer | security | 6 | 5
Total | security | 6 | 6
Fair Value |  |
Less than 12 months | $ 0 | $ 3,401,000
12 months or longer | 18,572,000 | 15,456,000
Total | 18,572,000 | 18,857,000
Gross Unrealized Losses |  |
Less than 12 months | 0 | (600,000)
12 months or longer | (4,754,000) | (3,894,000)
Total | (4,754,000) | $ (4,494,000)
Allowance for credit losses for available for sale securities | $ 0 |
Municipal securities |  |
Number of Securities |  |
Less than 12 months | security | 29 | 31
12 months or longer | security | 38 | 32
Total | security | 67 | 63
Fair Value |  |
Less than 12 months | $ 73,327,000 | $ 76,942,000
12 months or longer | 82,766,000 | 65,730,000
Total | 156,093,000 | 142,672,000
Gross Unrealized Losses |  |
Less than 12 months | (1,148,000) | (3,207,000)
12 months or longer | (13,055,000) | (10,506,000)
Total | $ (14,203,000) | $ (13,713,000)
U.S. Government Agency and U.S. Government Sponsored Enterprises |  |
Gross Unrealized Losses |  |
Percentage of portfolio | 83.10% |
Asset-backed Securities |  |
Number of Securities |  |
Less than 12 months | security | 0 | 3
12 months or longer | security | 18 | 15
Total | security | 18 | 18
Fair Value |  |
Less than 12 months | $ 0 | $ 21,836,000
12 months or longer | 149,742,000 | 125,768,000
Total | 149,742,000 | 147,604,000
Gross Unrealized Losses |  |
Less than 12 months | 0 | (716,000)
12 months or longer | (3,794,000) | (5,219,000)
Total | $ (3,794,000) | $ (5,935,000)
US Treasury Notes Securities |  |
Number of Securities |  |
Less than 12 months | security | 0 | 1
12 months or longer | security | 1 | 0
Total | security | 1 | 1
Fair Value |  |
Less than 12 months | $ 0 | $ 3,886,000
12 months or longer | 3,904,000 | 0
Total | 3,904,000 | 3,886,000
Gross Unrealized Losses |  |
Less than 12 months | 0 | (104,000)
12 months or longer | (90,000) | 0
Total | $ (90,000) | $ (104,000)
Agency Securities |  |
Number of Securities |  |
Less than 12 months | security | 0 | 1
12 months or longer | security | 1 | 0
Total | security | 1 | 1
Fair Value |  |
Less than 12 months | $ 0 | $ 3,867,000
12 months or longer | 3,837,000 | 0
Total | 3,837,000 | 3,867,000
Gross Unrealized Losses |  |
Less than 12 months | 0 | (133,000)
12 months or longer | (163,000) | 0
Total | $ (163,000) | $ (133,000)

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