Deposits (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2013
Maturities of certificates and other time deposits $100,000 or more
Three months or less	$ 85,682,000		$ 85,682,000		$ 81,518,000
Over three through six months	76,406,000		76,406,000		67,817,000
Over six through twelve months	115,343,000		115,343,000		111,067,000
Over one through two years	58,828,000		58,828,000		44,866,000
Over two through three years	29,462,000		29,462,000		28,822,000
Over three through four years	70,502,000		70,502,000		37,335,000
Over four through five years	24,352,000		24,352,000		68,955,000
Total	460,575,000		460,575,000		440,380,000
Time deposits disclosures
Interest expense on certificates of deposits and other time deposits of $100,000 or more	1,400,000	1,400,000	2,800,000	2,900,000
Brokered time deposits	$ 5,800,000		$ 5,800,000		$ 14,800,000