Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Net income	$ 44,734	$ 50,727	$ 95,944	$ 148,322
Unrealized gain from securities
Net unrealized holding gain from available for sale debt securities arising during the period, net of tax	(1,442)	14,593	121,114	86,519
Reclassification adjustment of net gain from sale of available for sale debt securities included in income, net of tax			(191)	(1,636)
Net unrealized gain from securities, net of reclassification adjustment	(1,442)	14,593	120,923	84,883
Pension plan liability adjustment:
Amortization of unrecognized net actuarial loss included in net periodic pension cost, net of tax	80	62	239	184
Pension plan liability adjustment, net	80	62	239	184
Unrealized gain from cash flow hedging instruments
Net unrealized gain (loss) in cash flow hedging instruments arising during the period, net of tax	(62)	3,137	20,526	15,180
Reclassification adjustment for net gain in cash flow hedging instruments included in income, net of tax	2,052	58	4,454	58
Net unrealized gain from cash flow hedging instruments, net of reclassification adjustment	(2,114)	3,079	16,072	15,122
Other Comprehensive Income	(3,476)	17,734	137,234	100,189
Total comprehensive income	$ 41,258	$ 68,461	$ 233,178	$ 248,511