Accumulated Other Comprehensive Income (Loss) ("AOCIL"), Reclassification Out of Each Components (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Reclassifications out of AOCIL [Abstract]
Income tax expense	$ 4,105	$ 5,106
Reclassifications, net of tax	17,967	22,037
Accumulated Other Comprehensive Income (Loss) [Member]
Reclassifications out of AOCIL [Abstract]
Reclassifications, net of tax	0	0
Unrealized Gains (Losses) on Securities Available For Sale [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassifications out of AOCIL [Abstract]
Net gains on securities available for sale	70	1,416
Income tax expense	15	297
Reclassifications, net of tax	$ 55	$ 1,119