Regulatory Matters (Tables)

12 Months Ended

Dec. 31, 2016

Banking and Thrift [Abstract]

Capital Amounts and Ratios

United’s and its subsidiary banks’, United Bank (WV) and United Bank (VA), capital amounts (in thousands of dollars) and ratios are presented in the following table.

(Dollars in thousands)	Actual					For Capital Adequacy Purposes				To Be Well- Capitalized
	Amount		Ratio			Amount		Ratio		Amount		Ratio
As of December 31, 2016:
Total Capital (to Risk-Weighted Assets):
United Bankshares	$	1,699,984		14.9	%	$	915,479		³8.0%	$	1,144,348		³10.0%
United Bank (WV)		638,756		12.2	%		418,700		³8.0%		523,375		³10.0%
United Bank (VA)		953,891		15.1	%		504,445		³8.0%		630,557		³10.0%
Tier I Capital (to Risk-Weighted Assets):
United Bankshares	$	1,625,543		14.2	%	$	686,609		³6.0%	$	915,479		³8.0%
United Bank (WV)		590,530		11.3	%		314,025		³6.0%		418,700		³8.0%
United Bank (VA)		928,301		14.7	%		378,334		³6.0%		504,445		³8.0%
Common Tier I Capital (to Risk Weighted Assets):
United Bankshares	$	1,393,743		12.2	%	$	514,957		³4.5%	$	743,826		³6.5%
United Bank (WV)		590,530		11.3	%		235,519		³4.5%		340,194		³6.5%
United Bank (VA)		928,301		14.7	%		283,751		³4.5%		409,862		³6.5%
Tier I Capital (to Average Assets):
United Bankshares	$	1,625,543		12.2	%	$	535,227		³4.0%	$	669,033		³5.0%
United Bank (WV)		590,530		9.8	%		239,986		³4.0%		299,983		³5.0%
United Bank (VA)		928,301		11.6	%		318,925		³4.0%		398,656		³5.0%
As of December 31, 2015:
Total Capital (to Risk- Weighted Assets):
United Bankshares	$	1,331,492		12.6	%	$	845,876		³8.0%	$	1,057,345		³10.0%
United Bank (WV)		591,825		12.6	%		377,225		³8.0%		471,532		³10.0%
United Bank (VA)		720,676		12.2	%		471,303		³8.0%		589,129		³10.0%
Tier I Capital (to Risk-
Weighted Assets):
United Bankshares	$	1,254,555		11.9	%	$	634,407		³6.0%	$	845,876		³8.0%
United Bank (WV)		547,903		11.6	%		282,919		³6.0%		377,225		³8.0%
United Bank (VA)		687,937		11.7	%		353,477		³6.0%		471,303		³8.0%
Common Tier I Capital (to Risk Weighted Assets):
United Bankshares	$	1,022,755		9.7	%	$	475,805		³4.5%	$	687,274		³6.5%
United Bank (WV)		547,903		11.6	%		212,189		³4.5%		306,496		³6.5%
United Bank (VA)		687,937		11.7	%		265,108		³4.5%		382,934		³6.5%
Tier I Capital (to Average Assets):
United Bankshares	$	1,254,555		10.7	%	$	468,776		³4.0%	$	585,970		³5.0%
United Bank (WV)		547,903		10.2	%		214,519		³4.0%		268,149		³5.0%
United Bank (VA)		687,937		10.5	%		263,306		³4.0%		329,132		³5.0%