SECURITIES, Available for Sale (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Available for sale [Abstract]
Amortized cost	$ 703,777	$ 706,437
Gross unrealized gains	26,915	5,412
Gross unrealized losses	(18)	(4,199)
Fair value	730,674	707,650
U.S. Government and Agencies [Member]
Available for sale [Abstract]
Amortized cost	4,750	4,750
Gross unrealized gains	66	57
Gross unrealized losses	0	0
Fair value	4,816	4,807
State and Municipal [Member]
Available for sale [Abstract]
Amortized cost	214,576	94,512
Gross unrealized gains	9,474	1,091
Gross unrealized losses	(18)	(911)
Fair value	224,032	94,692
Mortgage-backed Securities [Member]
Available for sale [Abstract]
Amortized cost	343,716	463,899
Gross unrealized gains	14,588	3,727
Gross unrealized losses	0	(3,110)
Fair value	358,304	464,516
Collateralized Mortgage Obligations [Member]
Available for sale [Abstract]
Amortized cost	107,319	107,443
Gross unrealized gains	243	15
Gross unrealized losses	0	(169)
Fair value	107,562	107,289
Asset-backed and Other Amortizing Securities [Member]
Available for sale [Abstract]
Amortized cost	33,416	35,833
Gross unrealized gains	2,544	522
Gross unrealized losses	0	(9)
Fair value	$ 35,960	$ 36,346

Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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