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FAIR VALUE MEASUREMENTS - Fair Values and Carrying Amounts (Details) - USD ($) $ in Thousands | Mar. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Financial Assets |  |
Trading security, at fair value | $ 11,795 | $ 12,277
Securities available for sale and other | 1,460,660 | 1,426,099
Securities held to maturity | 394,296 | 405,276
FHLB bank stock and restricted securities | 64,038 | 63,085
Level 1 |  |
Financial Assets |  |
Cash and cash equivalents | 123,887 | 248,763
Trading security, at fair value | 0 | 0
Securities available for sale and other | 58,630 | 44,850
Securities held to maturity | 0 | 0
Net loans | 0 | 0
Loans held for sale | 0 | 0
Accrued interest receivable | 0 | 0
Cash surrender value of bank-owned life insurance policies | 0 |
Derivative assets | 0 |
Assets held for sale | 0 | 0
Financial Liabilities |  |
Total deposits | 0 | 0
Short-term debt | 0 | 0
Long-term Federal Home Loan Bank advances | 0 | 0
Subordinated borrowings | 0 | 0
Derivative liabilities | 909 | 104
Level 2 |  |
Financial Assets |  |
Cash and cash equivalents | 0 | 0
Trading security, at fair value | 0 | 0
Securities available for sale and other | 1,402,030 | 1,381,249
Securities held to maturity | 361,142 | 371,458
Net loans | 0 | 0
Loans held for sale | 98,440 | 153,620
Accrued interest receivable | 30,585 | 33,739
Cash surrender value of bank-owned life insurance policies | 192,379 |
Derivative assets | 19,949 | 14,049
Assets held for sale | 1,392 | 1,392
Financial Liabilities |  |
Total deposits | 8,652,801 | 8,731,527
Short-term debt | 836,095 | 667,246
Long-term Federal Home Loan Bank advances | 285,102 | 378,766
Subordinated borrowings | 96,794 | 97,414
Derivative liabilities | 21,051 | 15,715
Level 3 |  |
Financial Assets |  |
Cash and cash equivalents | 0 | 0
Trading security, at fair value | 11,795 | 12,277
Securities available for sale and other | 0 | 0
Securities held to maturity | 33,154 | 33,818
Net loans | 8,451,273 | 8,422,034
Loans held for sale | 0 | 0
Accrued interest receivable | 0 | 0
Cash surrender value of bank-owned life insurance policies | 0 |
Derivative assets | 6,531 | 5,259
Assets held for sale | 0 | 0
Financial Liabilities |  |
Total deposits | 0 | 0
Short-term debt | 0 | 0
Long-term Federal Home Loan Bank advances | 0 | 0
Subordinated borrowings | 0 | 0
Derivative liabilities | 0 | 19
Carrying Amount |  |
Financial Assets |  |
Cash and cash equivalents | 123,887 | 248,763
Trading security, at fair value | 11,795 | 12,277
Securities available for sale and other | 1,460,660 | 1,426,099
Securities held to maturity | 395,337 | 397,103
FHLB bank stock and restricted securities | 64,038 | 63,085
Net loans | 8,322,558 | 8,247,504
Loans held for sale | 98,440 | 153,620
Accrued interest receivable | 30,585 | 33,739
Cash surrender value of bank-owned life insurance policies | 192,379 |
Derivative assets | 26,480 | 19,308
Assets held for sale | 1,392 | 1,392
Financial Liabilities |  |
Total deposits | 8,683,267 | 8,749,530
Short-term debt | 835,892 | 667,300
Long-term Federal Home Loan Bank advances | 289,969 | 380,436
Subordinated borrowings | 89,384 | 89,339
Derivative liabilities | 21,960 | 15,838
Total Fair Value |  |
Financial Assets |  |
Cash and cash equivalents | 123,887 | 248,763
Trading security, at fair value | 11,795 | 12,277
Securities available for sale and other | 1,460,660 | 1,426,099
Securities held to maturity | 394,296 | 405,276
Net loans | 8,451,273 | 8,422,034
Loans held for sale | 98,440 | 153,620
Accrued interest receivable | 30,585 | 33,739
Cash surrender value of bank-owned life insurance policies | 192,379 |
Derivative assets | 26,480 | 19,308
Assets held for sale | 1,392 | 1,392
Financial Liabilities |  |
Total deposits | 8,652,801 | 8,731,527
Short-term debt | 836,095 | 667,246
Long-term Federal Home Loan Bank advances | 285,102 | 378,766
Subordinated borrowings | 96,794 | 97,414
Derivative liabilities | $ 21,960 | $ 15,838

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- Definition Fair value of subordinated debt obligations including, but not limited to, subordinated loan, subordinated bond, subordinated debenture or junior debt. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
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- Definition Carrying amount as of the balance sheet date of interest earned but not received. Also called accrued interest or accrued interest receivable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.8) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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