Other Borrowings - Summary of Terms of Outstanding Junior Subordinated Debentures (Detail) - Trust Preferred Securities - Junior Subordinated Debentures	6 Months Ended
	Jun. 30, 2020 USD ($)
Debt Instrument [Line Items]
Issuance Amount	$ 42,000,000
St. Joseph Capital Trust II
Debt Instrument [Line Items]
Issuance Amount	$ 5,000,000
Rate	2.05%
St. Joseph Capital Trust II | LIBOR
Debt Instrument [Line Items]
Variable rate	1.75%
Anchor Capital Trust III
Debt Instrument [Line Items]
Issuance Amount	$ 5,000,000
Rate	1.86%
Anchor Capital Trust III | LIBOR
Debt Instrument [Line Items]
Variable rate	1.55%
Home Federal Statutory    Trust I
Debt Instrument [Line Items]
Issuance Amount	$ 15,000,000
Rate	1.96%
Home Federal Statutory    Trust I | LIBOR
Debt Instrument [Line Items]
Variable rate	1.65%
Monroe Bancorp Capital    Trust I
Debt Instrument [Line Items]
Issuance Amount	$ 3,000,000
Rate	2.82%
Monroe Bancorp Capital    Trust I | LIBOR
Debt Instrument [Line Items]
Variable rate	1.60%
Tower Capital Trust 3
Debt Instrument [Line Items]
Issuance Amount	$ 9,000,000
Rate	2.04%
Tower Capital Trust 3 | LIBOR
Debt Instrument [Line Items]
Variable rate	1.69%
Monroe Bancorp Statutory    Trust II
Debt Instrument [Line Items]
Issuance Amount	$ 5,000,000
Rate	1.91%
Monroe Bancorp Statutory    Trust II | LIBOR
Debt Instrument [Line Items]
Variable rate	1.60%