Short-Term Borrowings and Long-Term Debt (Tables)

12 Months Ended

Dec. 31, 2016

Short-Term Borrowings and Long-Term Debt [Abstract]

Schedule of Short-term Debt

Short-term borrowings as of December 31, 2016, 2015 and 2014 and the related maximum amounts outstanding at the end of any month in each of the three years then ended are presented below. The securities underlying the repurchase agreements remain in available for sale investment securities.

	December 31,						Maximum Outstanding
	2016		2015		2014		2016		2015		2014
	(in thousands)
Federal funds purchased	$	278,570	$	197,235	$	6,219	$	449,184	$	266,338	$	577,581
Short-term FHLB advances (1)	—		110,000		70,000		—		200,000		600,000
Customer repurchase agreements	195,734		111,496		158,394		221,989		212,509		244,729
Customer short-term promissory notes	67,013		78,932		95,106		77,887		93,176		95,106
	$	541,317	$	497,663	$	329,719

Schedule of Repurchase Agreements

The following table presents information related to customer repurchase agreements:

	2016			2015			2014
	(dollars in thousands)
Amount outstanding as of December 31	$	195,734		$	111,496		$	158,394
Weighted average interest rate as of December 31	0.10		%	0.15		%	0.13		%
Average amount outstanding during the year	$	184,978		$	161,093		$	197,432
Weighted average interest rate during the year	0.11		%	0.10		%	0.10		%

Schedule of Long-term Debt Instruments

FHLB advances with an original maturity of one year or more and long-term debt included the following as of December 31:

	2016			2015
	(in thousands)
FHLB advances	$	567,240		$	587,756
Subordinated debt	350,000			350,000
Junior subordinated deferrable interest debentures	16,496			16,496
Unamortized discounts and issuance costs	(4,333		)	(4,710		)
	$	929,403		$	949,542

Schedule of Maturities of Long-term Debt

The following table summarizes the scheduled maturities of FHLB advances with an original maturity of one year or more and long-term debt as of December 31, 2016 (in thousands):

Year
2017	$	114,415
2018	—
2019	202,731
2020	142,370
2021	199,444
Thereafter	270,443
	$	929,403

Schedule of Subordinated Borrowing

The following table provides details of the debentures as of December 31, 2016 (dollars in thousands):

Debentures Issued to	Fixed/ Variable	Interest Rate		Amount		Maturity	Callable	Call Price
Columbia Bancorp Statutory Trust	Variable	3.49	%	$	6,186	06/30/34	03/31/17	100.0
Columbia Bancorp Statutory Trust II	Variable	2.85	%	4,124		03/15/35	03/31/17	100.0
Columbia Bancorp Statutory Trust III	Variable	2.73	%	6,186		06/15/35	03/31/17	100.0
				$	16,496