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

12 Months Ended

Dec. 31, 2016

Debt Disclosure [Abstract]

Schedule of Long-term Debt Instruments

Long-term debt at December 31, 2016 and 2015 is presented in the following table.

(in thousands)	2016		2015
Parent Company:
5.125% subordinated notes, due June 15, 2017, $278.6 million and $403.3 million par value at December 31, 2016 and 2015, respectively, with semi-annual interest payments and principal to be paid at maturity	$	278,480	402,812
7.875% senior notes, due February 15, 2019, $300 million par value with semi-annual interest payments and principal to be paid at maturity	297,763		296,711
5.75% fixed to adjustable rate subordinated notes, due December 15, 2025, $250 million par value with semi-annual interest payments at 5.75% for the first five years and quarterly payments thereafter at an adjustable rate equal to the then-current three month LIBOR rate + 418.2 basis points and principal to be paid at maturity	247,136		246,644
LIBOR + 1.80% debentures, due April 19, 2035, $10 million par value with quarterly interest payments and principal to be paid at maturity (rate of 2.76% at December 31, 2016 and 2.31% at December 31, 2015)	10,000		10,000
Hedge-related basis adjustment(1)	873		4,018
Total long-term debt — Parent Company	834,252		960,185
Synovus Bank:
FHLB advances with interest and principal payments due at various maturity dates through 2022 and interest rates ranging from 0.63% to 0.66% at December 31, 2016 (weighted average interest rate of 0.64% and 0.46% at December 31, 2016 and 2015, respectively)	1,325,000		1,225,000
Capital lease with interest and principal payments due at various dates through 2031 (rate of 1.59% at both December 31, 2016 and 2015, respectively)	1,629		1,708
Total long-term debt — Synovus Bank	1,326,629		1,226,708
Total long-term debt	$	2,160,881	2,186,893

⁽¹⁾ Unamortized balance of terminated interest rate swaps reflected in debt for financial reporting purposes.

Schedule of Principal Payments on Long-term Debt

Contractual annual principal payments on long-term debt for the next five years and thereafter are shown on the following table.

(in thousands)	Parent Company		Synovus Bank	Total
2017	$	278,591	88	278,679
2018	—		89	89
2019	300,000		275,090	575,090
2020	—		350,092	350,092
2021	—		450,097	450,097
Thereafter	260,000		251,173	511,173
Total	$	838,591	1,326,629	2,165,220

Components of Short-term Borrowings

The following table sets forth certain information regarding federal funds purchased and other securities sold under repurchase agreements.

(dollars in thousands)	2016			2015	2014
Total balance at December 31,	$	159,699		177,025	126,916
Weighted average interest rate at December 31,	0.08		%	0.08	0.08
Maximum month end balance during the year	$	286,175		250,453	247,170
Average amount outstanding during the year	216,593			205,305	198,085
Weighted average interest rate during the year	0.09		%	0.08	0.11