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v3.22.1

Securities - Amortized Cost and Fair Value (Details) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2022 USD ($) item | Dec. 31, 2021 USD ($)
Securities Available-for-Sale |  |
Amortized Cost | $ 1,865,807 | $ 1,677,016
Gross Unrealized Gains | 5,029 | 20,587
Gross Unrealized Losses | (54,386) | (5,115)
Debt Securities, Available-for-sale, Total | 1,816,450 | 1,692,488
Accrued interest receivable | 5,200 | 4,300
FHLB and FRB Stock |  |
FHLBC stock | 7,100 | 7,100
FRBC stock | 14,900 | 6,200
Securities pledged to secure deposits and for other purposes | 478,200 | 501,300
Other disclosures |  |
Debt Securities, Available-for-sale, Total | 1,816,450 | 1,692,488
Total added credit enhancement in the form of overcollaterization and/or subordination of outstanding principal | $ 20,300 |
Percentage of total added credit enhancement in the form of overcollaterization and/or subordination of outstanding principal | 9.29 |
Number of securities issued from originators | item | 0 |
Minimum percentage of securities investment | 10.00% |
Reimbursement requests greater than 5 % |  |
Other disclosures |  |
Percentage of outstanding principal amount of loans guaranteed by US Department of Education | 85 |
Percent of insured loan | 5 |
Reimbursement requests greater than 9 % |  |
Other disclosures |  |
Percentage of outstanding principal amount of loans guaranteed by US Department of Education | 75 |
Percent of insured loan | 9 |
U.S. Treasury |  |
Securities Available-for-Sale |  |
Amortized Cost | $ 227,646 | 202,251
Gross Unrealized Gains | 13 | 125
Gross Unrealized Losses | (7,096) | (37)
Debt Securities, Available-for-sale, Total | 220,563 | 202,339
Other disclosures |  |
Debt Securities, Available-for-sale, Total | 220,563 | 202,339
U.S. government agencies |  |
Securities Available-for-Sale |  |
Amortized Cost | 62,029 | 62,587
Gross Unrealized Losses | (2,993) | (699)
Debt Securities, Available-for-sale, Total | 59,036 | 61,888
Other disclosures |  |
Debt Securities, Available-for-sale, Total | 59,036 | 61,888
U.S. government agencies mortgage-backed |  |
Securities Available-for-Sale |  |
Amortized Cost | 161,119 | 172,016
Gross Unrealized Gains | 117 | 856
Gross Unrealized Losses | (8,088) | (570)
Debt Securities, Available-for-sale, Total | 153,148 | 172,302
Other disclosures |  |
Debt Securities, Available-for-sale, Total | 153,148 | 172,302
States and political subdivisions |  |
Securities Available-for-Sale |  |
Amortized Cost | 237,988 | 240,793
Gross Unrealized Gains | 4,358 | 16,344
Gross Unrealized Losses | (5,938) | (672)
Debt Securities, Available-for-sale, Total | 236,408 | 256,465
Other disclosures |  |
Debt Securities, Available-for-sale, Total | 236,408 | 256,465
Corporate bonds |  |
Securities Available-for-Sale |  |
Amortized Cost | 10,000 | 10,000
Gross Unrealized Losses | (317) | (113)
Debt Securities, Available-for-sale, Total | 9,683 | 9,887
Other disclosures |  |
Debt Securities, Available-for-sale, Total | 9,683 | 9,887
Collateralized mortgage obligations |  |
Securities Available-for-Sale |  |
Amortized Cost | 720,960 | 673,238
Gross Unrealized Gains | 298 | 2,014
Gross Unrealized Losses | (24,745) | (2,285)
Debt Securities, Available-for-sale, Total | 696,513 | 672,967
Other disclosures |  |
Debt Securities, Available-for-sale, Total | 696,513 | 672,967
Asset-backed Securities |  |
Securities Available-for-Sale |  |
Amortized Cost | 278,941 | 236,293
Gross Unrealized Gains | 240 | 1,245
Gross Unrealized Losses | (4,240) | (661)
Debt Securities, Available-for-sale, Total | 274,941 | 236,877
Other disclosures |  |
Debt Securities, Available-for-sale, Total | 274,941 | 236,877
FFEL |  |
Securities Available-for-Sale |  |
Debt Securities, Available-for-sale, Total | 218,100 |
Other disclosures |  |
Debt Securities, Available-for-sale, Total | $ 218,100 |
Percentage of outstanding principal amount of loans guaranteed by US Department of Education | 97 |
Collateralized loan obligations. |  |
Securities Available-for-Sale |  |
Amortized Cost | $ 167,124 | 79,838
Gross Unrealized Gains | 3 | 3
Gross Unrealized Losses | (969) | (78)
Debt Securities, Available-for-sale, Total | 166,158 | 79,763
Other disclosures |  |
Debt Securities, Available-for-sale, Total | $ 166,158 | $ 79,763

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