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Fair Value of Financial Instruments (Summary of Carrying Amounts and Estimated Fair Values of Financial Instruments) (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | Jun. 30, 2023 | Dec. 31, 2022
--- | --- | --- | ---
Assets |  |  |
Investment securities - AFS | $ 79,143 |  | $ 83,587
Estimated Fair Value | 445,652 |  | 494,627
Restricted securities | 13,361 |  | 11,169
Loans held for sale, at fair value | 14,725 |  | 4,248
Loans, at fair value | 9,302 |  | 8,437
MSRs | 5,890 | $ 5,466 | 5,275
Level 1 |  |  |
Assets |  |  |
Cash and cash equivalents | 108,709 |  | 55,499
Investment securities - AFS | 0 |  | 0
Estimated Fair Value | 0 |  | 0
Equity securities | 0 |  | 0
Restricted securities | 0 |  | 0
Loans held for sale, at fair value | 0 |  | 0
Derivative asset | 0 |  | 0
Cash surrender value on life insurance | 0 |  | 0
Loans, at fair value | 0 |  | 0
Loans, net | 0 |  | 0
MSRs | 0 |  | 0
Deposits: |  |  |
Noninterest-bearing demand | 0 |  | 0
Checking plus interest | 0 |  | 0
Money Market | 0 |  | 0
Savings | 0 |  | 0
Club | 0 |  | 0
Certificates of Deposit | 0 |  | 0
Advances from FHLB - short term |  |  | 0
Subordinated debt | 0 |  | 0
TRUPS | 0 |  |
Level 1 | TBA forward trades |  |  |
Deposits: |  |  |
Derivative liability |  |  | 0
Level 1 | IRLCs |  |  |
Assets |  |  |
Derivative asset | 0 |  | 0
Deposits: |  |  |
Derivative liability | 0 |  | 0
Level 2 |  |  |
Assets |  |  |
Cash and cash equivalents | 0 |  | 0
Investment securities - AFS | 79,143 |  | 83,587
Estimated Fair Value | 445,652 |  | 494,626
Equity securities | 5,434 |  | 1,233
Restricted securities | 13,361 |  | 11,169
Loans held for sale, at fair value | 14,725 |  | 4,248
Derivative asset | 359 |  | 41
Cash surrender value on life insurance | 100,950 |  | 59,218
Loans, at fair value | 9,302 |  | 8,437
Loans, net | 0 |  | 0
MSRs | 0 |  | 0
Deposits: |  |  |
Noninterest-bearing demand | 1,211,401 |  | 862,015
Checking plus interest | 1,210,052 |  | 694,101
Money Market | 1,179,049 |  | 709,132
Savings | 370,049 |  | 319,814
Club | 1,706 |  | 374
Certificates of Deposit | 1,124,904 |  | 410,455
Advances from FHLB - short term |  |  | 40,002
Subordinated debt | 41,503 |  | 41,193
TRUPS | 27,364 |  |
Level 2 | TBA forward trades |  |  |
Deposits: |  |  |
Derivative liability |  |  | 6
Level 2 | IRLCs |  |  |
Assets |  |  |
Derivative asset | 0 |  | 0
Deposits: |  |  |
Derivative liability | 0 |  | 0
Level 3 |  |  |
Assets |  |  |
Cash and cash equivalents | 0 |  | 0
Investment securities - AFS | 0 |  | 0
Estimated Fair Value | 0 |  | 0
Equity securities | 0 |  | 0
Restricted securities | 0 |  | 0
Loans held for sale, at fair value | 0 |  | 0
Derivative asset | 0 |  | 0
Cash surrender value on life insurance | 0 |  | 0
Loans, at fair value | 0 |  | 0
Loans, net | 4,425,585 |  | 2,431,808
MSRs | 5,890 |  | 5,275
Deposits: |  |  |
Noninterest-bearing demand | 0 |  | 0
Checking plus interest | 0 |  | 0
Money Market | 0 |  | 0
Savings | 0 |  | 0
Club | 0 |  | 0
Certificates of Deposit | 0 |  | 0
Advances from FHLB - short term |  |  | 0
Subordinated debt | 0 |  | 0
TRUPS | 0 |  |
Level 3 | TBA forward trades |  |  |
Deposits: |  |  |
Derivative liability |  |  | 0
Level 3 | IRLCs |  |  |
Assets |  |  |
Derivative asset | 89 |  | 35
Deposits: |  |  |
Derivative liability | 50 |  | 7
Carrying Amount |  |  |
Assets |  |  |
Cash and cash equivalents | 108,709 |  | 55,499
Investment securities - AFS | 79,143 |  | 83,587
Estimated Fair Value | 523,051 |  | 559,455
Equity securities | 5,434 |  | 1,233
Restricted securities | 13,361 |  | 11,169
Loans held for sale, at fair value | 14,725 |  | 4,248
Derivative asset | 359 |  | 41
Cash surrender value on life insurance | 100,950 |  | 59,218
Loans, at fair value | 9,302 |  | 8,437
Loans, net | 4,551,366 |  | 2,531,027
MSRs | 5,890 |  | 5,275
Deposits: |  |  |
Noninterest-bearing demand | 1,211,401 |  | 862,015
Checking plus interest | 1,210,052 |  | 694,101
Money Market | 1,179,049 |  | 709,132
Savings | 370,049 |  | 319,814
Club | 1,706 |  | 374
Certificates of Deposit | 1,136,488 |  | 424,348
Advances from FHLB - short term |  |  | 40,000
Subordinated debt | 42,956 |  | 43,072
TRUPS | 29,079 |  |
Carrying Amount | TBA forward trades |  |  |
Deposits: |  |  |
Derivative liability |  |  | 6
Carrying Amount | IRLCs |  |  |
Assets |  |  |
Derivative asset | 89 |  | 35
Deposits: |  |  |
Derivative liability | 50 |  | 7
Fair Value |  |  |
Assets |  |  |
Cash and cash equivalents | 108,709 |  | 55,499
Investment securities - AFS | 79,143 |  | 83,587
Estimated Fair Value | 445,652 |  | 494,626
Equity securities | 5,434 |  | 1,233
Restricted securities | 13,361 |  | 11,169
Loans held for sale, at fair value | 14,725 |  | 4,248
Derivative asset | 359 |  | 41
Cash surrender value on life insurance | 100,950 |  | 59,218
Loans, at fair value | 9,302 |  | 8,437
Loans, net | 4,425,585 |  | 2,431,808
MSRs | 5,890 |  | 5,275
Deposits: |  |  |
Noninterest-bearing demand | 1,211,401 |  | 862,015
Checking plus interest | 1,210,052 |  | 694,101
Money Market | 1,179,049 |  | 709,132
Savings | 370,049 |  | 319,814
Club | 1,706 |  | 374
Certificates of Deposit | 1,124,904 |  | 410,455
Advances from FHLB - short term |  |  | 40,002
Subordinated debt | 41,503 |  | 41,193
TRUPS | 27,364 |  |
Fair Value | TBA forward trades |  |  |
Deposits: |  |  |
Derivative liability |  |  | 6
Fair Value | IRLCs |  |  |
Assets |  |  |
Derivative asset | 89 |  | 35
Deposits: |  |  |
Derivative liability | $ 50 |  | $ 7

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