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BORROWINGS, Contractual Maturity on Borrowings (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Debt Instruments [Abstract]
Carrying value	$ 371,289	$ 344,873
Weighted-average rate	0.76%
Weighted-average interest rate on borrowings during period	1.27%	1.86%
January 2, 2021 [Member]
Debt Instruments [Abstract]
Carrying value	$ 284,008
Weighted-average rate	0.38%
June 14, 2021 [Member]
Debt Instruments [Abstract]
Carrying value	$ 1,000
Weighted-average rate	1.59%
February 08, 2021 [Member]
Debt Instruments [Abstract]
Carrying value	$ 675
Weighted-average rate	1.45%
May 17, 2021 [Member]
Debt Instruments [Abstract]
Carrying value	$ 2,000
Weighted-average rate	1.68%
November 22, 2021 [Member]
Debt Instruments [Abstract]
Carrying value	$ 1,000
Weighted-average rate	3.25%
February 08, 2023 [Member]
Debt Instruments [Abstract]
Carrying value	$ 190
Weighted-average rate	1.79%
July 3, 2023 [Member]
Debt Instruments [Abstract]
Carrying value	$ 523
Weighted-average rate	2.25%
October 23, 2023 [Member]
Debt Instruments [Abstract]
Carrying value	$ 425
Weighted-average rate	1.50%
October 1, 2025 [Member]
Debt Instruments [Abstract]
Carrying value	$ 289
Weighted-average rate	1.50%
February 28, 2028 [Member]
Debt Instruments [Abstract]
Carrying value	$ 3,303
Weighted-average rate	6.00%
March 1, 2029 [Member]
Debt Instruments [Abstract]
Carrying value	$ 556
Weighted-average rate	2.50%
December 15, 2036 [Member]
Debt Instruments [Abstract]
Carrying value	$ 77,320
Weighted-average rate	1.87%

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