Regulatory Capital (Tables)

12 Months Ended

Dec. 31, 2020

Regulatory Capital Disclosure [Abstract]

Schedule of Compliance with Regulatory Capital

The following table summarizes regulatory capital information at December 31, 2020 and 2019 for Synovus and Synovus Bank.

	Actual Capital						Minimum Requirement For Capital Adequacy(1)						To Be Well-Capitalized Under Prompt Corrective Action Provisions(2)
(dollars in thousands)	2020			2019			2020			2019			2020			2019
Synovus Financial Corp.
CET1 capital	$	4,034,865		$	3,743,459		$	1,879,551		$	1,882,424		N/A			N/A
Tier 1 risk-based capital	4,572,010			4,280,604			2,506,068			2,509,899			N/A			N/A
Total risk-based capital	5,604,230			5,123,381			3,341,425			3,346,531			N/A			N/A
CET1 capital ratio	9.66		%	8.95		%	4.50		%	4.50		%	N/A			N/A
Tier 1 risk-based capital ratio	10.95			10.23			6.00			6.00			N/A			N/A
Total risk-based capital ratio	13.42			12.25			8.00			8.00			N/A			N/A
Leverage ratio	8.50			9.16			4.00			4.00			N/A			N/A
Synovus Bank
CET1 capital	$	4,641,711		$	4,640,501		$	1,880,757		$	1,881,199		$	2,716,650		$	2,717,287
Tier 1 risk-based capital	4,641,711			4,640,501			2,507,677			2,508,265			3,343,569			3,344,354
Total risk-based capital	5,361,611			4,923,279			3,343,569			3,344,354			4,179,461			4,180,442
CET1 capital ratio	11.11		%	11.10		%	4.50		%	4.50		%	6.50		%	6.50		%
Tier 1 risk-based capital ratio	11.11			11.10			6.00			6.00			8.00			8.00
Total risk-based capital ratio	12.83			11.78			8.00			8.00			10.00			10.00
Leverage ratio	8.73			9.94			4.00			4.00			5.00			5.00

(1)    The additional capital conservation buffer in effect is 2.5%.

(2)    The prompt corrective action provisions are applicable at the bank level only.