Securities (Details 1) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Amortized Cost
Due in one year or less	$ 17,169
Due after one but within five years	47,121
Due after five but within ten years	82,626
Due after ten years	391,274
Total of securities having specified maturity period	538,190
Debt Securities, Available-for-sale, Maturity, without Single Maturity Date, Amortized Cost	891,328
TOTAL	1,429,518	$ 1,344,790
Fair Value
Due in one year or less	17,253
Due after one but within five years	46,898
Due after five but within ten years	81,719
Due after ten years	376,526
Total of securities having specified maturities period	522,396
Debt Securities, Available-for-sale, Maturity, without Single Maturity Date, Fair Value	837,087
Fair Value	$ 1,359,483	$ 1,364,734