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Securities (Details) (USD $)	Jun. 30, 2014	Dec. 31, 2013
Securities
FHLBC stock	$ 5,500,000	$ 5,500,000
FRB stock	4,800,000	4,800,000
Securities Available-for-Sale
Amortized Cost	331,513,000	376,286,000
Gross Unrealized Gains	3,112,000	3,070,000
Gross Unrealized Losses	(4,811,000)	(7,165,000)
Fair Value	329,814,000	372,191,000
Securities Held-to-Maturity
Amortized Cost	264,683,000	256,571,000
Gross Unrealized Gains	4,039,000	688,000
Gross Unrealized Losses	(952,000)	(2,931,000)
Fair Value	267,770,000	254,328,000
U.S. Treasury
Securities Available-for-Sale
Amortized Cost	1,539,000	1,549,000
Gross Unrealized Losses	(1,000)	(5,000)
Fair Value	1,538,000	1,544,000
U.S. government agencies
Securities Available-for-Sale
Amortized Cost	1,724,000	1,738,000
Gross Unrealized Losses	(71,000)	(66,000)
Fair Value	1,653,000	1,672,000
States and political subdivisions
Securities Available-for-Sale
Amortized Cost	15,666,000	16,382,000
Gross Unrealized Gains	388,000	629,000
Gross Unrealized Losses	(301,000)	(217,000)
Fair Value	15,753,000	16,794,000
Corporate bonds
Securities Available-for-Sale
Amortized Cost	31,598,000	15,733,000
Gross Unrealized Gains	82,000	17,000
Gross Unrealized Losses	(330,000)	(648,000)
Fair Value	31,350,000	15,102,000
Collateralized mortgage obligations
Securities Available-for-Sale
Amortized Cost	34,992,000	66,766,000
Gross Unrealized Gains	61,000	256,000
Gross Unrealized Losses	(1,970,000)	(3,146,000)
Fair Value	33,083,000	63,876,000
Securities Held-to-Maturity
Amortized Cost	227,377,000	221,303,000
Gross Unrealized Gains	2,618,000	643,000
Gross Unrealized Losses	(952,000)	(2,858,000)
Fair Value	229,043,000	219,088,000
Asset-backed securities
Securities Available-for-Sale
Amortized Cost	245,994,000	274,118,000
Gross Unrealized Gains	2,581,000	2,168,000
Gross Unrealized Losses	(2,138,000)	(3,083,000)
Fair Value	246,437,000	273,203,000
U.S. government agency mortgage-backed
Securities Held-to-Maturity
Amortized Cost	37,306,000	35,268,000
Gross Unrealized Gains	1,421,000	45,000
Gross Unrealized Losses		(73,000)
Fair Value	38,727,000	35,240,000
Mortgage-backed and collateralized mortgage obligations
Securities Held-to-Maturity
Amortized Cost	264,683,000
Fair Value	$ 267,770,000

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Amount of accumulated unrealized gain before deducting unrealized loss on investments in available-for-sale securities impacting investments.

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Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

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This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any.

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Federal Home Loan Bank (FHLB) stock represents an equity interest in a FHLB. It does not have a readily determinable fair value because its ownership is restricted and it lacks a market (liquidity).

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Federal Reserve Bank stock represents an equity interest in the Federal Reserve Bank. It does not have a readily determinable fair value because its ownership is restricted and it lacks a market (liquidity).

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Amount after other than temporary impairment (OTTI) accretion, of investments in debt securities classified as held-to-maturity.

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