Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Accumulated Other Comprehensive Income (Loss) [Line Items]
Tax effect	$ (2,031)	$ (7,402)
Total accumulated other comprehensive income	7,645	27,852
Unrealized gain on securities available for sale
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive income (loss), before tax	14,444	43,662
Unamortized loss on securities held to maturity, previously transferred from AFS
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive income (loss), before tax	(115)	(165)
Unrealized loss on derivative instruments
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive income (loss), before tax	$ (4,653)	$ (8,243)