SECURITIES, Available for Sale (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Available for sale [Abstract]
Amortized cost	$ 714,707	$ 706,437
Gross unrealized gains	20,380	5,412
Gross unrealized losses	(296)	(4,199)
Fair value	734,791	707,650
U.S. Government and Agencies [Member]
Available for sale [Abstract]
Amortized cost	4,750	4,750
Gross unrealized gains	85	57
Gross unrealized losses	0	0
Fair value	4,835	4,807
State and Municipal [Member]
Available for sale [Abstract]
Amortized cost	206,206	94,512
Gross unrealized gains	3,537	1,091
Gross unrealized losses	(89)	(911)
Fair value	209,654	94,692
Mortgage-backed Securities [Member]
Available for sale [Abstract]
Amortized cost	361,847	463,899
Gross unrealized gains	14,234	3,727
Gross unrealized losses	0	(3,110)
Fair value	376,081	464,516
Collateralized Mortgage Obligations [Member]
Available for sale [Abstract]
Amortized cost	107,380	107,443
Gross unrealized gains	237	15
Gross unrealized losses	(207)	(169)
Fair value	107,410	107,289
Asset-backed and Other Amortizing Securities [Member]
Available for sale [Abstract]
Amortized cost	34,524	35,833
Gross unrealized gains	2,287	522
Gross unrealized losses	0	(9)
Fair value	$ 36,811	$ 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).

+ References

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