XML 39 R117.htm IDEA: XBRL DOCUMENT v3.20.1

Other Benefit Plans (Schedule of Directors Stock Purchase Plan) (Details) - $ / shares	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Defined Benefit Pension Plans And Defined Benefit Postretirement Plans Disclosure [Abstract]
DSPP shares purchased	5,232	4,296	1,345
Average purchase price per share	$ 25.852	$ 28.940	$ 31.136

X

- Definition

Share based compensation arrangement by share based payment award to non-employee directors, per share weighted average price of shares purchased.

+ References

No definition available.

+ Details

Name:	mpb_ShareBasedCompensationArrangementByShareBasedPaymentAwardToNonEmployeeDirectorsPerShareWeightedAveragePriceOfSharesPurchased
Namespace Prefix:	mpb_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Stock issued during period shares director stock purchase plans.

+ References

No definition available.

+ Details

Name:	mpb_StockIssuedDuringPeriodSharesDirectorStockPurchasePlans
Namespace Prefix:	mpb_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_DefinedBenefitPensionPlansAndDefinedBenefitPostretirementPlansDisclosureAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration