Deposits (Details) (USD $)	3 Months Ended	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013
Maturities of certificates and other time deposits $100,000 or more
Three months or less	$ 71,998,000	$ 71,998,000		$ 81,518,000
Over three through six months	78,756,000	78,756,000		67,817,000
Over six through twelve months	83,282,000	83,282,000		111,067,000
Over one through two years	88,138,000	88,138,000		44,866,000
Over two through three years	22,186,000	22,186,000		28,822,000
Over three through four years	80,359,000	80,359,000		37,335,000
Over four through five years	13,580,000	13,580,000		68,955,000
Total	438,299,000	438,299,000		440,380,000
Time deposits disclosures
Interest expense on certificates of deposits and other time deposits of $100,000 or more	1,300,000	4,100,000	4,500,000
Brokered time deposits	$ 5,700,000	$ 5,700,000		$ 14,800,000