Cash, Due from Banks, Interest-Bearing Deposits and Federal Funds Sold (Tables)

12 Months Ended

Dec. 31, 2021

Cash and Cash Equivalents [Abstract]

Summary of Vault Cash and Funds on Deposit with Federal Reserve Bank

The Company maintained vault cash and funds on deposit with the Federal Reserve Bank, which is included in the following table:

	December 31,
	2021		2020
	(Dollars in thousands)
Vault cash and funds on deposit with the Federal Reserve Bank	$	1,907,482	$	1,429,410