Consolidated Condensed Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Net Income	$ 42,831	$ 22,372
Other comprehensive income, net of tax:
Unrealized net holding (loss) gain on debt securities available-for-sale, net of income tax effect of $(3,614) and $4,832 for the three months ended March 31, 2021 and 2020, respectively.	(13,597)	18,176
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax	125	(483)
Other comprehensive income (loss)	(13,472)	17,693
Comprehensive income	29,359	40,065
Other Comprehensive Income (Loss), Securities, Available-for-Sale, Unrealized Holding Gain (Loss) Arising During Period, Tax	(3,614)	4,832
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, Tax	33	(128)
Accumulated Other Comprehensive Income (loss) [Member]
Other comprehensive income, net of tax:
Other comprehensive income (loss)	$ (13,472)	$ 17,693