Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Net Income	$ 51,853	$ 14,628
Unrealized gain from securities
Net unrealized holding gain from available for sale debt securities arising during the period, net of tax	(102,605)	79,696
Reclassification adjustment of net gain from sale of available for sale debt securities included in income, net of tax	0	(191)
Net unrealized gain from securities, net of reclassification adjustment	(102,605)	79,505
Pension plan liability adjustment:
Amortization of unrecognized net actuarial loss included in net periodic pension cost, net of tax	115	80
Pension plan liability adjustment, net	115	80
Unrealized gain from cash flow hedging instruments
Net unrealized gain (loss) in cash flow hedging instruments arising during the period, net of tax	0	17,977
Reclassification adjustment for net gain in cash flow hedging instruments included in income, net of tax	1,977	722
Net unrealized gain from cash flow hedging instruments, net of reclassification adjustment	(1,977)	17,255
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent, Total	(104,467)	96,840
Total comprehensive income	$ (52,614)	$ 111,468