Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Consolidated Statements of Comprehensive Income [Abstract]
Net income	$ 41,671	$ 27,438	$ 112,871	$ 51,026
Other comprehensive income (loss) before tax:
Unrealized gain (loss) on securities available-for-sale	1,359	661	(2,605)	15,949
Realized gain on sale of securities available-for-sale	0	0	0	(4,728)
Unrealized gain (loss) on cash flow hedges	157	181	576	(987)
Other comprehensive income (loss) before taxes	1,516	842	(2,029)	10,234
Income tax effect	(496)	(162)	(373)	(958)
Other comprehensive income (loss) after taxes	1,020	680	(2,402)	9,276
Comprehensive income	$ 42,691	$ 28,118	$ 110,469	$ 60,302

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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