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FAIR VALUE MEASUREMENTS - Fair Values and Carrying Amounts (Details) - USD ($) $ in Thousands | Sep. 30, 2020 | Dec. 31, 2019
--- | --- | ---
Financial Assets |  |
Securities available for sale | $ 604,529 | $ 663,230
Financial Liabilities |  |
FRB PPPLF | 71,720 | 348,118
Level 1 |  |
Financial Assets |  |
Cash and cash equivalents | 215,657 | 56,910
Securities available for sale | 0 |
FHLB stock | 0 |
Net loans | 0 |
Accrued interest receivable | 0 |
Cash surrender value of bank-owned life insurance policies | 0 |
Derivative assets | 0 |
Financial Liabilities |  |
Securities sold under agreements to repurchase | 0 |
FHLB advances | 0 |
Derivative liabilities | 0 |
Level 1 | Bank Non-maturity Deposits [Member] |  |
Financial Liabilities |  |
Deposits | 0 |
Level 1 | Bank Time Deposits [Member] |  |
Financial Liabilities |  |
Deposits | 0 |
Level 1 | Federal Reserve Bank Advances |  |
Financial Liabilities |  |
FRB PPPLF | 0 |
Level 1 | Subordinated borrowings |  |
Financial Liabilities |  |
Subordinated borrowings | 0 |
Level 2 |  |
Financial Assets |  |
Cash and cash equivalents | 0 |
Securities available for sale | 604,529 | 663,230
FHLB stock | 13,975 | 20,679
Net loans | 0 |
Accrued interest receivable | 3,171 | 3,294
Cash surrender value of bank-owned life insurance policies | 77,388 | 75,863
Derivative assets | 31,481 | 6,791
Financial Liabilities |  |
Short-term other borrowings |  | 44,831
Securities sold under agreements to repurchase | 30,048 |
FHLB advances | 229,413 | 425,989
Derivative liabilities | 34,871 | 8,102
Level 2 | Bank Non-maturity Deposits [Member] |  |
Financial Liabilities |  |
Deposits | 2,037,099 | 1,751,481
Level 2 | Bank Time Deposits [Member] |  |
Financial Liabilities |  |
Deposits | 805,783 | 932,886
Level 2 | Federal Reserve Bank Advances |  |
Financial Liabilities |  |
FRB PPPLF | 131,141 |
Level 2 | Subordinated borrowings |  |
Financial Liabilities |  |
Subordinated borrowings | 59,920 | 59,920
Level 3 |  |
Financial Assets |  |
Cash and cash equivalents | 0 |
Securities available for sale | 0 |
FHLB stock | 0 |
Net loans | 2,672,882 | 2,634,147
Accrued interest receivable | 0 |
Cash surrender value of bank-owned life insurance policies | 0 |
Derivative assets | 24 | 59
Financial Liabilities |  |
Securities sold under agreements to repurchase | 0 |
FHLB advances | 0 |
Derivative liabilities | 87 | 84
Level 3 | Bank Non-maturity Deposits [Member] |  |
Financial Liabilities |  |
Deposits | 0 |
Level 3 | Bank Time Deposits [Member] |  |
Financial Liabilities |  |
Deposits | 0 |
Level 3 | Federal Reserve Bank Advances |  |
Financial Liabilities |  |
FRB PPPLF | 0 |
Level 3 | Subordinated borrowings |  |
Financial Liabilities |  |
Subordinated borrowings | 0 |
Carrying Amount |  |
Financial Assets |  |
Cash and cash equivalents | 215,657 | 56,910
Securities available for sale | 604,529 | 663,230
FHLB stock | 13,975 | 20,679
Net loans | 2,690,784 | 2,625,739
Accrued interest receivable | 3,171 | 3,294
Cash surrender value of bank-owned life insurance policies | 77,388 | 75,863
Derivative assets | 31,505 | 6,850
Financial Liabilities |  |
Short-term other borrowings |  | 44,832
Securities sold under agreements to repurchase | 30,048 |
FHLB advances | 224,282 | 426,564
Derivative liabilities | 34,958 | 8,186
Carrying Amount | Bank Non-maturity Deposits [Member] |  |
Financial Liabilities |  |
Deposits | 2,121,406 | 1,763,116
Carrying Amount | Bank Time Deposits [Member] |  |
Financial Liabilities |  |
Deposits | 813,509 | 932,635
Carrying Amount | Federal Reserve Bank Advances |  |
Financial Liabilities |  |
FRB PPPLF | 131,236 |
Carrying Amount | Subordinated borrowings |  |
Financial Liabilities |  |
Subordinated borrowings | 59,920 | 59,920
Total Fair Value |  |
Financial Assets |  |
Cash and cash equivalents | 215,657 | 56,910
Securities available for sale | 604,529 | 663,230
FHLB stock | 13,975 | 20,679
Net loans | 2,672,882 | 2,634,147
Accrued interest receivable | 3,171 | 3,294
Cash surrender value of bank-owned life insurance policies | 77,388 | 75,863
Derivative assets | 31,505 | 6,850
Financial Liabilities |  |
Short-term other borrowings |  | 44,831
Securities sold under agreements to repurchase | 30,048 |
FHLB advances | 229,413 | 425,989
Derivative liabilities | 34,958 | 8,186
Total Fair Value | Bank Non-maturity Deposits [Member] |  |
Financial Liabilities |  |
Deposits | 2,037,099 | 1,751,481
Total Fair Value | Bank Time Deposits [Member] |  |
Financial Liabilities |  |
Deposits | 805,783 | 932,886
Total Fair Value | Federal Reserve Bank Advances |  |
Financial Liabilities |  |
FRB PPPLF | 131,141 |
Total Fair Value | Subordinated borrowings |  |
Financial Liabilities |  |
Subordinated borrowings | $ 59,920 | $ 59,920

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