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FAIR VALUE MEASUREMENTS - Fair Values and Carrying Amounts (Details) - USD ($) $ in Thousands | Mar. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Financial Assets |  |
Securities available for sale | $ 626,341 | $ 663,230
Financial Liabilities |  |
Borrowings with the FRB | 265,644 | 348,118
Level 1 |  |
Financial Assets |  |
Cash and cash equivalents | 85,655 | 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 |  |
Short-term other borrowings | 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 |  |
Borrowings with the FRB | 0 |
Level 1 | Subordinated borrowings |  |
Financial Liabilities |  |
Subordinated borrowings | 0 |
Level 2 |  |
Financial Assets |  |
Cash and cash equivalents | 0 |
Securities available for sale | 626,341 | 663,230
FHLB stock | 19,897 | 20,679
Net loans | 0 |
Accrued interest receivable | 3,268 | 3,294
Cash surrender value of bank-owned life insurance policies | 76,400 | 75,863
Derivative assets | 24,933 | 6,791
Financial Liabilities |  |
Short-term other borrowings | 31,000 | 44,831
FHLB advances | 410,065 | 425,989
Derivative liabilities | 28,032 | 8,102
Level 2 | Bank Non-maturity Deposits [Member] |  |
Financial Liabilities |  |
Deposits | 1,861,960 | 1,751,481
Level 2 | Bank Time Deposits [Member] |  |
Financial Liabilities |  |
Deposits | 852,346 | 932,886
Level 2 | Federal Reserve Bank Advances |  |
Financial Liabilities |  |
Borrowings with the FRB | 62,000 |
Level 2 | Subordinated borrowings |  |
Financial Liabilities |  |
Subordinated borrowings | 59,849 | 59,920
Level 3 |  |
Financial Assets |  |
Cash and cash equivalents | 0 |
Securities available for sale | 0 |
FHLB stock | 0 |
Net loans | 2,604,406 | 2,634,147
Accrued interest receivable | 0 |
Cash surrender value of bank-owned life insurance policies | 0 |
Derivative assets | 93 | 59
Financial Liabilities |  |
Short-term other borrowings | 0 |
FHLB advances | 0 |
Derivative liabilities | 73 | 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 |  |
Borrowings with the FRB | 0 |
Level 3 | Subordinated borrowings |  |
Financial Liabilities |  |
Subordinated borrowings | 0 |
Carrying Amount |  |
Financial Assets |  |
Cash and cash equivalents | 85,655 | 56,910
Securities available for sale | 626,341 | 663,230
FHLB stock | 19,897 | 20,679
Net loans | 2,619,686 | 2,625,739
Accrued interest receivable | 3,268 | 3,294
Cash surrender value of bank-owned life insurance policies | 76,400 | 75,863
Derivative assets | 25,026 | 6,850
Financial Liabilities |  |
Short-term other borrowings | 31,001 | 44,832
FHLB advances | 404,579 | 426,564
Derivative liabilities | 28,105 | 8,186
Carrying Amount | Bank Non-maturity Deposits [Member] |  |
Financial Liabilities |  |
Deposits | 1,806,460 | 1,763,116
Carrying Amount | Bank Time Deposits [Member] |  |
Financial Liabilities |  |
Deposits | 844,097 | 932,635
Carrying Amount | Federal Reserve Bank Advances |  |
Financial Liabilities |  |
Borrowings with the FRB | 62,000 |
Carrying Amount | Subordinated borrowings |  |
Financial Liabilities |  |
Subordinated borrowings | 59,849 | 59,920
Fair Value |  |
Financial Assets |  |
Cash and cash equivalents | 85,655 | 56,910
Securities available for sale | 626,341 | 663,230
FHLB stock | 19,897 | 20,679
Net loans | 2,604,406 | 2,634,147
Accrued interest receivable | 3,268 | 3,294
Cash surrender value of bank-owned life insurance policies | 76,400 | 75,863
Derivative assets | 25,026 | 6,850
Financial Liabilities |  |
Short-term other borrowings | 31,000 | 44,831
FHLB advances | 410,065 | 425,989
Derivative liabilities | 28,105 | 8,186
Fair Value | Bank Non-maturity Deposits [Member] |  |
Financial Liabilities |  |
Deposits | 1,861,960 | 1,751,481
Fair Value | Bank Time Deposits [Member] |  |
Financial Liabilities |  |
Deposits | 852,346 | 932,886
Fair Value | Federal Reserve Bank Advances |  |
Financial Liabilities |  |
Borrowings with the FRB | 62,000 |
Fair Value | Subordinated borrowings |  |
Financial Liabilities |  |
Subordinated borrowings | $ 59,849 | $ 59,920

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