Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Statement of Comprehensive Income [Abstract]
NET INCOME	$ 77,236	$ 47,695
OTHER COMPREHENSIVE INCOME (LOSS)
Unrealized holding gains arising during the period on available-for-sale securities	55,569	29,130
Unrealized holding gain on the transfer of held-to-maturity securities to available-for-sale per ASU 2017-12	0	2,547
Less: Reclassification adjustment for realized gains included in net income	32,095	2,740
Other comprehensive income (loss), before tax effect	23,474	28,937
Less: Tax effect of other comprehensive income (loss)	6,135	7,563
TOTAL OTHER COMPREHENSIVE INCOME (LOSS)	17,339	21,374
COMPREHENSIVE INCOME	$ 94,575	$ 69,069

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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