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v3.23.3

Fair Value of Financial Instruments (Tables) | 9 Months Ended
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Sep. 30, 2023
Fair Value Measurements |
Fair Value of Financial Instruments | The fair value of financial instruments at September 30, 2023 and December 31, 2022 are set forth below: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Level in fair value |  | September 30, 2023 |  | December 31, 2022
​ | ​ | measurement | ​ | Carrying | ​ | Estimated | ​ | Carrying | ​ | Estimated
​ | ​ | hierarchy | ​ | amount |  | fair value |  | amount |  | fair value
ASSETS | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Cash and cash equivalents |  | Level 1 | ​ | $ | 291,291 | ​ | $ | 291,291 | ​ | $ | 195,505 | ​ | $ | 195,505
U.S. Treasury securities - AFS | ​ | Level 1 | ​ | ​ | 71,862 | ​ | ​ | 71,862 | ​ | ​ | 71,388 | ​ | ​ | 71,388
U.S. Treasury securities - HTM | ​ | Level 1 | ​ | ​ | 49,263 | ​ | ​ | 47,415 | ​ | ​ | 49,045 | ​ | ​ | 47,629
Mortgage-backed securities—residential mortgage pass-through securities issued or guaranteed by U.S. Government agencies or sponsored enterprises available-for-sale |  | Level 2 | ​ |  | 196,848 | ​ |  | 196,848 | ​ |  | 226,131 | ​ |  | 226,131
Mortgage-backed securities—other residential mortgage-backed securities issued or guaranteed by U.S. Government agencies or sponsored enterprises available-for-sale |  | Level 2 | ​ |  | 348,942 | ​ |  | 348,942 | ​ |  | 405,926 | ​ |  | 405,926
Municipal securities available-for-sale | ​ | Level 2 | ​ | ​ | 152 | ​ | ​ | 152 | ​ | ​ | 153 | ​ | ​ | 153
Corporate debt available-for-sale | ​ | Level 2 | ​ | ​ | 1,849 | ​ | ​ | 1,849 | ​ | ​ | 1,920 | ​ | ​ | 1,920
Other available-for-sale securities |  | Level 3 | ​ |  | 792 | ​ |  | 792 | ​ |  | 771 | ​ |  | 771
Mortgage-backed securities—residential mortgage pass-through securities issued or guaranteed by U.S. Government agencies or sponsored enterprises held-to-maturity |  | Level 2 | ​ |  | 309,216 | ​ |  | 260,193 | ​ |  | 339,815 | ​ |  | 298,816
Mortgage-backed securities—other residential mortgage-backed securities issued or guaranteed by U.S. Government agencies or sponsored enterprises held-to-maturity |  | Level 2 | ​ |  | 242,022 | ​ |  | 186,634 | ​ |  | 262,667 | ​ |  | 213,479
FHLB and FRB stock | ​ | Level 2 | ​ | ​ | 38,849 | ​ | ​ | 38,849 | ​ | ​ | 38,390 | ​ | ​ | 38,390
Loans receivable |  | Level 3 | ​ |  | 7,478,438 | ​ |  | 7,171,937 | ​ |  | 7,220,469 | ​ |  | 6,964,107
Loans held for sale |  | Level 2 | ​ |  | 19,048 | ​ |  | 19,048 | ​ |  | 22,767 | ​ |  | 22,767
Accrued interest receivable |  | Level 2 | ​ |  | 45,213 | ​ |  | 45,213 | ​ |  | 34,587 | ​ |  | 34,587
Interest rate swap derivatives |  | Level 2 | ​ |  | 52,584 | ​ |  | 52,584 | ​ |  | 45,046 | ​ |  | 45,046
Mortgage banking derivatives | ​ | Level 3 | ​ | ​ | 435 | ​ | ​ | 435 | ​ | ​ | 407 | ​ | ​ | 407
LIABILITIES | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Deposit transaction accounts |  | Level 2 | ​ |  | 7,156,514 | ​ |  | 7,156,514 | ​ |  | 6,999,226 | ​ |  | 6,999,226
Time deposits |  | Level 2 | ​ |  | 992,494 | ​ |  | 980,150 | ​ |  | 873,400 | ​ |  | 845,688
Securities sold under agreements to repurchase |  | Level 2 | ​ |  | 20,273 | ​ |  | 20,273 | ​ |  | 20,214 | ​ |  | 20,214
Long-term debt | ​ | Level 2 | ​ | ​ | 55,000 | ​ | ​ | 46,389 | ​ | ​ | 55,000 | ​ | ​ | 52,430
Federal Home Loan Bank advances |  | Level 2 | ​ |  | 316,770 | ​ |  | 316,770 | ​ |  | 385,000 | ​ |  | 385,000
Accrued interest payable |  | Level 2 | ​ |  | 14,820 | ​ |  | 14,820 | ​ |  | 3,201 | ​ |  | 3,201
Interest rate swap derivatives | ​ | Level 2 | ​ | ​ | 15,935 | ​ | ​ | 15,935 | ​ |  | 12,589 | ​ |  | 12,589
Mortgage banking derivatives |  | Level 3 | ​ |  | 57 | ​ |  | 57 | ​ | ​ | 278 | ​ | ​ | 278
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