Regulatory Matters (Tables)

12 Months Ended

Dec. 31, 2020

Regulatory Capital Requirements [Abstract]

Regulatory Capital Levels And Related Ratios

Mid Penn maintained the following regulatory capital levels, leverage ratios, and risk-based capital ratios as of December 31, 2020, and December 31, 2019:

(Dollars in thousands)	Capital Adequacy
											To Be Well-Capitalized
											Under Prompt
						Minimum Capital					Corrective
	Actual					Required (1)					Action Provisions
	Amount		Ratio			Amount		Ratio			Amount		Ratio
Mid Penn Bancorp, Inc.
As of  December 31, 2020
Tier 1 Capital (to Average Assets)	$	188,501		6.8	%	$	111,201		4.00	%	$	N/A	N/A
Common Equity Tier 1 Capital (to Risk Weighted    Assets)		188,501		9.6	%		137,351		7.00	%	N/A		N/A
Tier 1 Capital (to Risk Weighted Assets)		188,501		9.6	%		166,783		8.50	%	N/A		N/A
Total Capital (to Risk Weighted Assets)		246,529		12.6	%		206,026		10.50	%	N/A		N/A
Mid Penn Bank
As of  December 31, 2020
Tier 1 Capital (to Average Assets)	$	218,676		7.9	%	$	111,166		4.00	%	$	138,958		5.0	%
Common Equity Tier 1 Capital (to Risk Weighted    Assets)		218,676		11.1	%		137,288		7.00	%		127,482		6.5	%
Tier 1 Capital (to Risk Weighted Assets)		218,676		11.1	%		166,707		8.50	%		156,901		8.0	%
Total Capital (to Risk Weighted Assets)		232,124		11.8	%		205,933		10.50	%		196,126		10.0	%
Mid Penn Bancorp, Inc.
As of  December 31, 2019
Tier 1 Capital (to Average Assets)	$	168,146		7.8	%	$	86,773		4.00	%	$	N/A	N/A
Common Equity Tier 1 Capital (to Risk Weighted    Assets)		168,146		9.8	%		120,020		7.000	%	N/A		N/A
Tier 1 Capital (to Risk Weighted Assets)		168,146		9.8	%		145,738		8.500	%	N/A		N/A
Total Capital (to Risk Weighted Assets)		204,811		11.9	%		180,030		10.500	%	N/A		N/A
Mid Penn Bank
As of  December 31, 2019
Tier 1 Capital (to Average Assets)	$	185,101		8.5	%	$	86,760		4.00	%	$	108,450		5.0	%
Common Equity Tier 1 Capital (to Risk Weighted    Assets)		185,101		10.8	%		119,995		7.000	%		111,424		6.5	%
Tier 1 Capital (to Risk Weighted Assets)		185,101		10.8	%		145,708		8.500	%		137,137		8.0	%
Total Capital (to Risk Weighted Assets)		204,196		11.9	%		179,992		10.500	%		171,421		10.0	%

(1)  The minimum amounts and ratios as of December 31, 2020 and December 31, 2019 include the full phase in of the capital conservation buffer of 2.5 percent required by the Basel III framework.