SECURITIES - Amortized Cost And Fair Value Of Debt Securities (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Available-for-Sale, Amortized Cost
Due less than one year	$ 30,084	$ 30,141
Due after one year through five years	123,842	80,119
Due after five years through ten years	185,005	143,811
Due greater than ten years	198,640	108,999
Mortgage-backed securities: residential	238,920	263,229
Mortgage-backed securities: commercial	147,766	125,292
Total	924,257	751,591
Available-for-sale, Fair Value
Due less than one year	30,284	30,303
Due after one year through five years	127,542	81,372
Due after five years through ten years	192,052	148,085
Due greater than ten years	205,122	110,012
Mortgage-backed securities: residential	248,167	267,848
Mortgage-backed securities: commercial	154,291	127,467
Total	$ 957,458	$ 765,087