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v3.22.1

Securities, HTM Securities in Continuous Unrealized Loss Position (Details) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2022 USD ($) Position | Dec. 31, 2021 USD ($) Position
Unrealized Loss Position, Fair Value [Abstract] |  |
Less than 12 months | $ 519,413 | $ 211,184
12 months or longer | 115,620 | 104,585
Total | 635,033 | 315,769
Unrealized Loss Position, Unrealized Losses [Abstract] |  |
Less than 12 months | (30,281) | (3,311)
12 months or longer | (13,851) | (4,679)
Total | $ (44,132) | $ (7,990)
Unrealized Loss Position, Number of Positions [Abstract] |  |
Less than 12 months | Position | 178 | 56
12 months or longer | Position | 28 | 14
Total | Position | 206 | 70
HTM debt securities | $ 895,005 | $ 733,210
Accrued interest reversed against interest income | 0 | 0
Collateral-dependent HTM debt securities | 0 | 0
AIR on HTM debt securities | 3,000 | 2,700
Past Due [Member] |  |
Unrealized Loss Position, Number of Positions [Abstract] |  |
HTM debt securities | 0 | 0
Federal Agency [Member] |  |
Unrealized Loss Position, Fair Value [Abstract] |  |
Less than 12 months | 0 | 0
12 months or longer | 89,128 | 95,635
Total | 89,128 | 95,635
Unrealized Loss Position, Unrealized Losses [Abstract] |  |
Less than 12 months | 0 | 0
12 months or longer | (10,872) | (4,365)
Total | $ (10,872) | $ (4,365)
Unrealized Loss Position, Number of Positions [Abstract] |  |
Less than 12 months | Position | 0 | 0
12 months or longer | Position | 4 | 4
Total | Position | 4 | 4
HTM debt securities | $ 100,000 | $ 100,000
Mortgage-Backed [Member] |  |
Unrealized Loss Position, Fair Value [Abstract] |  |
Less than 12 months | 238,120 | 103,789
12 months or longer | 0 | 0
Total | 238,120 | 103,789
Unrealized Loss Position, Unrealized Losses [Abstract] |  |
Less than 12 months | (16,505) | (1,319)
12 months or longer | 0 | 0
Total | $ (16,505) | $ (1,319)
Unrealized Loss Position, Number of Positions [Abstract] |  |
Less than 12 months | Position | 27 | 10
12 months or longer | Position | 0 | 0
Total | Position | 27 | 10
Collateralized Mortgage Obligations [Member] |  |
Unrealized Loss Position, Fair Value [Abstract] |  |
Less than 12 months | $ 165,781 | $ 54,612
12 months or longer | 0 | 0
Total | 165,781 | 54,612
Unrealized Loss Position, Unrealized Losses [Abstract] |  |
Less than 12 months | (6,477) | (803)
12 months or longer | 0 | 0
Total | $ (6,477) | $ (803)
Unrealized Loss Position, Number of Positions [Abstract] |  |
Less than 12 months | Position | 35 | 6
12 months or longer | Position | 0 | 0
Total | Position | 35 | 6
State & Municipal [Member] |  |
Unrealized Loss Position, Fair Value [Abstract] |  |
Less than 12 months | $ 115,512 | $ 52,783
12 months or longer | 26,492 | 8,950
Total | 142,004 | 61,733
Unrealized Loss Position, Unrealized Losses [Abstract] |  |
Less than 12 months | (7,299) | (1,189)
12 months or longer | (2,979) | (314)
Total | $ (10,278) | $ (1,503)
Unrealized Loss Position, Number of Positions [Abstract] |  |
Less than 12 months | Position | 116 | 40
12 months or longer | Position | 24 | 10
Total | Position | 140 | 50
HTM debt securities | $ 332,577 | $ 323,821
US Government Agencies Debt Securities and US Government-sponsored Enterprises Debt Securities [Member] |  |
Unrealized Loss Position, Number of Positions [Abstract] |  |
Held-to-maturity debt securities, percentage | 63.00% | 56.00%

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