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BORROWED FUNDS - Summary of Borrowed Funds (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Short-term borrowings
Carrying Value	$ 71,720	$ 348,118
Weighted Average Rate	1.20%	1.73%
Long-term borrowings
Carrying Value	$ 373,672	$ 183,198
Weighted Average Rate	1.69%	2.87%
Total borrowings	$ 445,392	$ 531,316
Weighted Average Rate	1.60%	2.11%
Advances from the FHLB
Short-term borrowings
Carrying Value	$ 41,672	$ 303,286
Weighted Average Rate	1.69%	1.83%
Long-term borrowings
Carrying Value	$ 182,609	$ 123,278
Weighted Average Rate	1.73%	1.93%
Federal Reserve Bank Advances
Short-term borrowings
Carrying Value	$ 0	$ 0
Long-term borrowings
Carrying Value	$ 131,143
Weighted Average Rate	0.35%
Other borrowings
Short-term borrowings
Carrying Value	$ 30,048	$ 44,832
Weighted Average Rate	0.60%	0.99%
Subordinated borrowings
Long-term borrowings
Carrying Value	$ 59,920	$ 59,920
Weighted Average Rate	4.48%	5.53%

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Amount of short-term and long-term debt and lease obligation.

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