Borrowings - Amount of FHLB of Indianapolis/Pittsburgh Stock Purchased, Collateral Pledged and Assets Related to MICO's/Atlantic States Agreement (Parenthetical) (Detail)	Mar. 31, 2017 USD ($)
FHLB of Indianapolis [Member] \| MICO [Member]
Line of Credit Facility [Line Items]
Collateral Pledged at carrying value	$ 2,740,034
FHLB of Pittsburgh [Member] \| Atlantic States [Member]
Line of Credit Facility [Line Items]
Collateral Pledged at carrying value	$ 37,411,892

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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