Condensed Parent Company Only Financial Statements (Details 1) (USD $) In Thousands, unless otherwise specified	3 Months Ended												12 Months Ended
	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2010	Sep. 30, 2010	Jun. 30, 2010	Mar. 31, 2010	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Interest Expense on Senior subordinated notes													$ 578	$ 567	$ 567
Interest Expense on Junior subordinated debentures													342	341	420
Other operating expense													2,941	2,364	2,524
Recognition of income tax benefit													2,535	2,421	1,988
Net income	1,685	1,226	1,918	1,180	1,400	1,394	1,226	1,285	1,334	1,331	1,208	881	6,009	5,305	4,754
The Corporation
Dividend from Peoples State Bank													7,700	2,875	2,525
Dividends from other investments													5	6	13
Interest													10	6	4
Total income													7,715	2,887	2,542
Interest Expense on Senior subordinated notes													578	567	567
Interest Expense on Junior subordinated debentures													342	341	420
Transfer agent and shareholder communication													68	38	31
Other operating expense													348	95	73
Total expenses													1,336	1,041	1,091
Income before income taxes and equity in undistributed net income of Peoples State Bank													6,379	1,846	1,451
Recognition of income tax benefit													431	402	420
Net income before equity in undistributed net income of Peoples State Bank													6,810	2,248	1,871
Equity in undistributed net income of Peoples State Bank													(801)	3,057	2,883
Net income													$ 6,009	$ 5,305	$ 4,754