SECURITIES, Amortized Cost and Fair Value of Securities by Contractual Maturity (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Available for Sale, Amortized Cost [Abstract]
Within 1 year	$ 5,772
After 1 year through 5 years	0
After 5 years through 10 years	15,730
After 10 years	189,454
Other	503,751
Amortized cost	714,707	$ 706,437
Available for Sale, Fair Value [Abstract]
Within 1 year	5,862
After 1 year through 5 years	0
After 5 years through 10 years	16,150
After 10 years	192,477
Other	520,302
Fair value	$ 734,791	$ 707,650

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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