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Borrowings (Details) (USD $) |  |  |  |  |  |  | 6 Months Ended |  |  |  |  | 6 Months Ended |  |  |  |  |  | 6 Months Ended |  |
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Jun. 30, 2014 | Dec. 31, 2013 | Dec. 31, 2012 | Jun. 30, 2014 Securities sold under repurchase agreements item | Dec. 31, 2013 Securities sold under repurchase agreements | Dec. 31, 2012 Securities sold under repurchase agreements | Jun. 30, 2014 Securities sold under repurchase agreements Minimum | Jun. 30, 2014 Securities sold under repurchase agreements Maximum | Jun. 30, 2014 FHLB advances | Dec. 31, 2012 FHLB advances | Jun. 30, 2014 Subordinated debt | Dec. 31, 2012 Subordinated debt | Jun. 30, 2014 Subordinated debt LIBOR | Jun. 30, 2014 Notes payable and other borrowings | Dec. 31, 2012 Notes payable and other borrowings | Jun. 30, 2014 Bank of America credit facility, subordinated debt item | Dec. 31, 2012 Bank of America credit facility, subordinated debt item | Jan. 31, 2008 Senior Debt Facility [Member] | Jun. 30, 2014 Senior Debt Facility [Member] LIBOR | Jun. 30, 2014 Senior Debt Facility [Member] Prime rate | Jun. 30, 2014 Term debt | Jun. 30, 2014 Junior subordinated debentures | Dec. 31, 2012 Junior subordinated debentures
Borrowings |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total borrowings | $ 142,011,000 |  | $ 131,438,000 | $ 38,133,000 |  | $ 22,560,000 |  |  |  | $ 5,000,000 | $ 45,000,000 | $ 45,000,000 |  | $ 500,000 | $ 500,000 |  |  |  |  |  | $ 500,000 | $ 58,378,000 | $ 58,378,000
Maturity |  |  |  |  |  |  | 1 day | 90 days |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Carrying amount of securities secured |  |  |  | 38,100,000 | 22,600,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair value of the pledged collateral |  |  |  | 44,100,000 | 39,200,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of customers having secured balances exceeding specified percentage of stockholders equity |  |  |  | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Borrowings at FHLBC as percentage of total assets |  |  |  |  |  |  |  |  | 35.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Borrowings at FHLBC as percentage of book value of certain mortgage loans |  |  |  |  |  |  |  |  | 60.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
FHLBC advance amount |  |  |  |  |  |  |  |  | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount available for additional borrowings |  |  |  |  |  |  |  |  | 114,500,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Bank owned FHLBC stock | 5,500,000 | 5,500,000 |  |  |  |  |  |  | 5,500,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair value of securities collateralized |  |  |  |  |  |  |  |  | 82,600,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Principal balance of loans collateralized |  |  |  |  |  |  |  |  | 54,100,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Combined collateral value |  |  |  |  |  |  |  |  | 115,800,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 45,500,000 |  | 30,500,000 |  |  | 500,000 |  |
Face amount |  |  |  |  |  |  |  |  |  |  | $ 45,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Variable interest rate base |  |  |  |  |  |  |  |  |  |  |  |  | three-month LIBOR |  |  |  |  |  | three-month LIBOR | prime |  |  |
Basis points added to reference rate (as a percent) |  |  |  |  |  |  |  |  |  |  |  |  | 1.50% |  |  |  |  |  | 0.90% |  | 2.00% |  |
Number of financial covenants for which the entity continued to be out of compliance |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 2 |  |  |  |  |  |

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- Definition Represents the amount of borrowings from Federal Home Loan Bank as a percentage of book value of certain mortgage loans. + References No definition available. + Details
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- Definition Represents the amount of borrowings from Federal Home Loan Bank as a percentage of total assets. + References No definition available. + Details
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- Definition Represents the number of customers having secured balances exceeding specified percentage of stockholders equity. + References No definition available. + Details
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- Definition Represents the number of financial covenants contained within the credit agreement for which the entity continued to be out of compliance. + References No definition available. + Details
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- Definition Amount of unused borrowing capacity under the long-term financing arrangement that is available to the entity as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Subparagraph b -Article 5 + Details
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- Definition Amount of advances from the Federal Home Loan Bank (FHLB). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6479118&loc=d3e64650-112822 + Details
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- Definition 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). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 325 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6478792&loc=d3e63345-112809 + Details
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
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- Definition The fair value, as of the date of each statement of financial position presented, of securities which are owned but transferred to serve as collateral for the payment of repurchase agreements, and that are reclassified and separately reported in the statement of financial position because the transferee has the right by contract or custom to sell or re-pledge them. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6467456&loc=d3e113888-111728 + Details
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