Operating Segments (Tables)

3 Months Ended

Mar. 31, 2020

Segment Reporting [Abstract]

Summary of Operating Results by Segment

Summarized operating results by segment were as follows:

	Banking		Frost  Wealth Advisors		Non-Banks			Consolidated
Revenues from (expenses to) external customers:
Three months ended:
March 31, 2020	$	419,429	$	40,607	$	(2,600	)	$	457,436
March 31, 2019	308,613		37,351		(2,710		)	343,254
Net income (loss):
Three months ended:
March 31, 2020	$	52,024	$	5,587	$	(2,858	)	$	54,753
March 31, 2019	112,917		6,400		(2,821		)	116,496