Allowance for Loan Losses and Credit Quality of Loans (Details 4) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Financing Receivable, Recorded Investment, Past Due [Line Items]
Recorded Investment Non Accrual	$ 8,020	$ 11,067
Commercial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Recorded Investment Non Accrual	249	12
Construction, land development, and other land [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Recorded Investment Non Accrual	1,917	1,849
Owner occupied [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Recorded Investment Non Accrual	1,304	2,580
Nonowner occupied [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Recorded Investment Non Accrual	1,159	3,623
Commercial purpose [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Recorded Investment Non Accrual	640	663
Mortgage - Residential [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Recorded Investment Non Accrual	2,611	1,853
Home equity and home equity lines of credit [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Recorded Investment Non Accrual	63	363
Consumer and Other [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Recorded Investment Non Accrual	$ 77	$ 124

FNBH BANCORP INC 10-Q