Revenue from Contracts with Customers (Tables)

12 Months Ended

Dec. 31, 2020

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

The following table presents the Company's sources of non-interest income for the years ended December 31, 2020, 2019 and 2018. Items outside of the scope of ASC 606 are noted as such.

(in thousands)	2020		2019		2018
Non-interest income:
Service charges on deposits
Account maintenance fees	$	22,497	$	20,672	$	17,378
Transaction-based and overdraft service charges	18,341		24,944		25,636
Debit/ATM interchange fees	17,723		18,898		19,110
Total service charges on deposits	58,561		64,514		62,124
Brokerage revenue	15,599		15,877		16,480
Residential mortgage banking revenue, net (a)	270,822		101,810		118,235
Gain (loss) on sale of debt securities, net (a)	190		(7,184)		14
Gain on equity securities, net (a)	769		83,475		(1,484)
Gain on loan and lease sales, net (a)	6,707		10,467		7,834
BOLI income (a)	8,399		8,406		8,297
Other income
Merchant fee income	3,200		5,207		4,565
Credit card and interchange income and expenses	7,267		8,946		7,392
Remaining other income (a)	40,495		48,306		55,960
Total other income	50,962		62,459		67,917
Total non-interest income	$	412,009	$	339,824	$	279,417

(a) The revenue is not impacted by ASC 606 accounting guidance and continues to be recognized when earned in accordance with the Company's existing policies.