Borrowings (Tables)

12 Months Ended

Dec. 31, 2019

Debt Disclosure [Abstract]

Summary of Borrowings

Borrowings consisted of FHLB advances, securities sold under agreements to repurchase (repurchase agreements), and floating rate advances and are summarized as follows (in thousands): 

	December 31,
	2019		2018
Repurchase agreements	$	75,000	$	—
Other borrowings:
FHLB advances	776,000		403,502
Floating rate advances	6,004		5,345
Obligations under capital leases	—		44
	$	857,004	$	408,891

Contractual Maturities Repurchase Agreements and FHLB Advances

FHLB advances and repurchase agreements have contractual maturities as follows (in thousands): 

	December 31, 2019
	FHLB		Repurchase
	Advances		Agreements
2020	$	411,000	$	—
2021	145,000		25,000
2022	95,000		25,000
2023	87,500		—
2024	25,000		25,000
Thereafter	12,500		—
	$	776,000	$	75,000

 Further information regarding FHLB advances and repurchase agreements is summarized as follows (in thousands):

	December 31,
	2019			2018			2019			2018
	FHLB Advances						Repurchase Agreements
Average balance during year	$	518,372		$	448,012		$	45,342		$	—
Maximum outstanding at any month end	$	776,000		$	475,582		$	75,000		$	—
Weighted average interest rate at end of year	2.04		%	1.95		%	2.30		%	—		%
Weighted average interest rate during year	2.08		%	1.82		%	2.35		%	—		%

Summary of Interest Expense on Borrowings

Interest expense on borrowings is summarized as follows (in thousands): 

	Years Ended December 31,
	2019		2018		2017
Repurchase agreements	$	1,065	$	7	$	137
FHLB advances	10,795		8,172		7,390
Floating rate advances	170		123		33
Obligations under capital leases	—		7		30
	$	12,030	$	8,309	$	7,590