Borrowing Arrangements (Tables)

3 Months Ended

Mar. 31, 2024

Borrowing Arrangements

Schedule of collateral value of loans and securities pledged

	March 31, 2024
	Collateral		Total					Remaining
	Value		Available		Outstanding			Available
	(Dollars in thousands)
FHLB collateralized borrowing capacity	$	1,569,070	$	1,097,518	$	—	$	1,097,518
FRB discount window collateralized line of credit		1,639,038		1,245,362		—		1,245,362
Federal funds purchase arrangements		N/A		90,000		—		90,000
Holding company line of credit		N/A		20,000		—		20,000
	$	3,208,108	$	2,452,880	$	—	$	2,452,880

	December 31, 2023
	Collateral		Total					Remaining
	Value		Available		Outstanding			Available
	(Dollars in thousands)
FHLB collateralized borrowing capacity	$	1,600,371	$	1,100,931	$	—	$	1,100,931
FRB discount window collateralized line of credit		1,658,642		1,235,573		—		1,235,573
Federal funds purchase arrangements		N/A		90,000		—		90,000
Holding company line of credit		N/A		20,000		—		20,000
Total	$	3,259,013	$	2,446,504	$	—	$	2,446,504