Securities (Details 1) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Amortized Cost
Due in one year or less	$ 12,976
Due after one but within five years	46,327
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after Five Through Ten Years, Amortized Cost	64,143
Due after ten years	345,803
Total of securities having specified maturity period	469,249
TOTAL	1,187,676	$ 977,830
Debt Securities, Available-for-sale, Maturity, without Single Maturity Date, Amortized Cost	718,427
Fair Value
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, within One Year, Fair Value	13,054
Due after one but within five years	47,795
Due after five but within ten years	67,453
Due after ten years	368,278
Total of securities having specified maturities period	496,580
Debt Securities, Available-for-sale, Maturity, without Single Maturity Date, Fair Value	723,045
Securities available-for-sale	$ 1,219,625	$ 1,020,744