SECURITIES, Available for Sale (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Available for sale [Abstract]
Amortized cost	$ 706,437	$ 341,036
Gross unrealized gains	5,412	528
Gross unrealized losses	(4,199)	(3,368)
Fair value	707,650	338,196
U.S. Government and Agencies [Member]
Available for sale [Abstract]
Amortized cost	4,750	84,765
Gross unrealized gains	57	18
Gross unrealized losses	0	(76)
Fair value	4,807	84,707
State and Municipal [Member]
Available for sale [Abstract]
Amortized cost	94,512	32,205
Gross unrealized gains	1,091	480
Gross unrealized losses	(911)	(375)
Fair value	94,692	32,310
Mortgage-backed Securities [Member]
Available for sale [Abstract]
Amortized cost	463,899	184,267
Gross unrealized gains	3,727	29
Gross unrealized losses	(3,110)	(2,040)
Fair value	464,516	182,256
Collateralized Mortgage Obligations [Member]
Available for sale [Abstract]
Amortized cost	107,443
Gross unrealized gains	15
Gross unrealized losses	(169)
Fair value	107,289
Asset-backed and Other Amortizing Securities [Member]
Available for sale [Abstract]
Amortized cost	35,833	39,799
Gross unrealized gains	522	1
Gross unrealized losses	(9)	(877)
Fair value	$ 36,346	$ 38,923

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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