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BORROWED FUNDS - Summary of Borrowed Funds (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Short-term borrowings
Carrying Value	$ 598,987	$ 649,498
Weighted Average Rate	1.75%	1.43%
Long-term borrowings
Carrying Value	$ 186,229	$ 180,223
Weighted Average Rate	2.65%	2.47%
Total borrowings	$ 785,216	$ 829,721
Weighted Average Rate	1.96%	1.66%
Advances from the FHLB
Short-term borrowings
Carrying Value	$ 567,372	$ 608,792
Weighted Average Rate	1.80%	1.49%
Long-term borrowings
Carrying Value	$ 143,211	$ 137,190
Weighted Average Rate	1.83%	1.72%
Other borrowings
Short-term borrowings
Carrying Value	$ 31,615	$ 40,706
Weighted Average Rate	0.89%	0.59%
Subordinated borrowings
Long-term borrowings
Carrying Value	$ 38,018	$ 38,033
Weighted Average Rate	5.36%	4.88%
Junior subordinated borrowings
Long-term borrowings
Carrying Value	$ 5,000	$ 5,000
Weighted Average Rate	5.41%	4.89%

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- Definition

Sum of the carrying values as of the balance sheet date of all debt, including all short-term borrowings, long-term debt, and capital lease obligations.

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-Publisher FASB
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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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