Borrowings (Details Textual) (USD $)	9 Months Ended		1 Months Ended										9 Months Ended
	Sep. 30, 2012	Sep. 30, 2012 Line of Credit [Member]	May 31, 2004 Subordinated Debentures [Member]	Oct. 31, 2003 Subordinated Debentures [Member]	Dec. 01, 2010 Subordinated Debentures [Member]	Sep. 30, 2012 Subordinated Debentures [Member]	Sep. 30, 2012 Three-month LIBOR rate plus 3.85% [Member] Subordinated Debentures [Member]	Sep. 30, 2012 Subordinated Debentures 2034 [Member]	Sep. 30, 2012 Subordinated Debentures 2034 [Member] Subordinated Debentures [Member]	Jun. 30, 2012 Manufacturers and Traders Trust Company [Member] Line of Credit [Member]	Mar. 31, 2011 Michigan [Member] Line of Credit [Member]	Dec. 31, 2010 Michigan [Member] Line of Credit [Member]	Sep. 30, 2012 Union National Financial Corporation [Member] Line of Credit [Member]	Sep. 30, 2012 West Bend Mutual Insurance Company [Member] Subordinated Debentures [Member]	Sep. 30, 2012 MICO [Member] Line of Credit [Member]	Sep. 30, 2012 Maximum [Member]
Line of Credit Facility [Line Items]
Right to request for extension of credit agreement													$ 19,000,000
Right to request for extension of credit agreement with Manufacturers and Traders Trust Company										60,000,000					3,522,000
Line of credit, interest rate related to Libor rate description		interest rates equal to M&T’s current prime rate or the then current LIBOR rate plus 2.25%.
Debt instrument interest rate effective percentage						3.85%	3.85%	4.16%								2.25%
Debt instrument, description	On October 29, 2003, we received $10.0 million in net proceeds from the issuance of subordinated debentures. The debentures mature on October 29, 2033 and may be called at our option, at par. The debentures carry an interest rate equal to the three-month LIBOR rate plus 3.85%, which is adjustable quarterly. At September 30, 2012, the interest rate on these debentures was 4.30% and was adjusted to 4.16% on October 29, 2012
Debentures, interest rate related to Libor rate description	interest rate equal to the three-month LIBOR rate plus 3.85%
Line of credit facility remaining borrowing capacity		11,500,000
Collateral Pledged at carrying value															3,067,600
Debt instrument interest rate								4.30%	4.28%
Debt issued to FHLB in exchange of advance cash															1,200,000
Debt Instrument basis spread on variable rate					5.00%
Interest rate on borrowings		2.46%
Net proceeds from the issuance of subordinated debentures			5,000,000	10,000,000
Outstanding borrowings		48,500,000
Variable interest rate on advances															0.51%
Borrowings											3,500,000	35,000,000
Purchase of surplus note														$ 5,000,000
Line of credit that expires date		2015-07
Borrowings (Textual) [Abstract]
Revolving credit facility, borrowing interest rate	The credit agreement requires our compliance with certain covenants, which include minimum levels of our net worth, leverage ratio and statutory surplus and the A.M. Best ratings of our insurance subsidiaries. With the exception of a requirement that we maintain a minimum interest coverage ratio, we complied with all the requirements of the credit agreement during the year ended December 31, 2011
Percentage commitment fee	0.20%
Revolving line of credit expiration date	Oct. 29, 2033
Debentures mature date	May 24, 2034