Regulatory Matters (Tables)

12 Months Ended

Dec. 31, 2016

Regulatory Matters [Abstract]

Schedule of Actual Capital Amounts and Ratios

										To Be Well
						For Capital				Capitalized Under
						Adequacy				Prompt Corrective
		Actual				Purposes*				Action Provisions
(Dollars in thousands)		Amount	Ratio			Amount	Ratio			Amount	Ratio
DNB Financial Corporation
December 31, 2016:
Total risk-based capital	$	105,669	12.50	%	$	72,924	8.625	%		N/A	N/A
Common equity tier 1 capital		81,201	9.60			43,332	5.125			N/A	N/A
Tier 1 risk-based capital		90,201	10.67			56,014	6.625			N/A	N/A
Tier 1 (leverage) capital		90,201	8.42			42,864	4.000			N/A	N/A
December 31, 2015:
Total risk-based capital	$	81,321	14.78	%	$	44,003	8.00	%		N/A	N/A
Common equity tier 1 capital		57,448	10.44			24,752	4.50			N/A	N/A
Tier 1 risk-based capital		66,448	12.08			33,002	6.00			N/A	N/A
Tier 1 (leverage) capital		66,448	8.94			29,717	4.00			N/A	N/A
DNB First, N.A.
December 31, 2016:
Total risk-based capital	$	103,094	12.22	%	$	72,785	8.625	%	$	84,388	10.00	%
Common equity tier 1 capital		97,376	11.54			43,249	5.125			54,852	6.50
Tier 1 risk-based capital		97,376	11.54			55,907	6.625			67,511	8.00
Tier 1 (leverage) capital		97,376	9.09			42,830	4.000			53,537	5.00
December 31, 2015:
Total risk-based capital	$	80,286	14.63	%	$	43,904	8.00	%	$	68,600	12.50	%
Common equity tier 1 capital		75,163	13.70			24,696	4.50			49,392	9.00
Tier 1 risk-based capital		75,163	13.70			32,928	6.00			57,624	10.50
Tier 1 (leverage) capital		75,163	10.13			29,670	4.00			37,087	5.00

*Includes capital conversion buffer of 0.625%.