CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($)	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Statement of Comprehensive Income [Abstract]
Net income	$ 39,984,000	$ 36,976,000
Securities available-for-sale and transferred securities:
Change in net unrealized holding losses on available-for-sale securities during the period	(629,000)	0
Reclassification adjustment of unrealized losses on securities transferred from held-to-maturity	(27,000)	0
Reclassification adjustment for net gain on sale of available-for-sale securities, included in net income	(41,000)	0
Other comprehensive income (loss)	(697,000)	0
Comprehensive income	$ 39,287,000	$ 36,976,000