This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents Available-for-sale Securities which consist of all investments in certain debt and equity securities neither classified as trading or held-to-maturity securities. A debt security represents a creditor relationship with an enterprise. Debt securities include, among other items, US Treasury securities, US government securities, municipal securities, corporate bonds, convertible debt, commercial paper, and all securitized debt instruments. An equity security represents an ownership interest in an enterprise or the right to acquire or dispose of an ownership interest in an enterprise at fixed or determinable prices. Equity securities include, among other things, common stock, certain preferred stock, warrant rights, call options, and put options, but do not include convertible debt. An entity may opt to provide the reader with additional narrative text to better understand the nature of investments in debt and equity securities which are categorized as Available-for-sale.

+ References+ Details

Fair Value of Financial Instruments (Details 2) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012	Jun. 30, 2012
Investment securities available for sale:
Total securities available for sale	$ 313,047	$ 84,066	$ 146,134
Fair Value Measurement Using: Level 1
Investment securities available for sale:
Total securities available for sale	206,226	81,042	102,004
Stock:
Total stock	11,917	11,247	12,744
Fair Value Measurement Using: Level 2
Investment securities available for sale:
Total securities available for sale	105,764	2,072	43,203
Fair Value Measurement Using: Level 3
Investment securities available for sale:
Total securities available for sale	1,057	952	927
Recurring basis \| Fair Value Measurement Using: Level 1
Investment securities available for sale:
Total securities available for sale	206,226		143,120
Stock:
FHLB stock	8,622		10,725
Federal Reserve Bank stock	3,295		2,019
Total stock	11,917		12,744
Estimated Fair Value	218,143		114,748
Recurring basis \| Fair Value Measurement Using: Level 1 \| U.S. Treasury
Investment securities available for sale:
Total securities available for sale	83		261
Recurring basis \| Fair Value Measurement Using: Level 1 \| Mortgage-backed securities
Investment securities available for sale:
Total securities available for sale	206,143		101,743
Recurring basis \| Fair Value Measurement Using: Level 2
Investment securities available for sale:
Total securities available for sale	105,764		43,203
Stock:
Estimated Fair Value	105,764		43,203
Recurring basis \| Fair Value Measurement Using: Level 2 \| Corporate
Investment securities available for sale:
Total securities available for sale	9,169
Recurring basis \| Fair Value Measurement Using: Level 2 \| Municipal bonds
Investment securities available for sale:
Total securities available for sale	94,747		41,116
Recurring basis \| Fair Value Measurement Using: Level 2 \| Mortgage-backed securities
Investment securities available for sale:
Total securities available for sale	1,848		2,087
Recurring basis \| Fair Value Measurement Using: Level 3
Investment securities available for sale:
Total securities available for sale	1,057		927
Stock:
Estimated Fair Value	1,057		927
Recurring basis \| Fair Value Measurement Using: Level 3 \| Mortgage-backed securities
Investment securities available for sale:
Total securities available for sale	1,057		927
Recurring basis \| Securities at Fair Value
Investment securities available for sale:
Total securities available for sale	313,047		146,134
Stock:
FHLB stock	8,622		10,725
Federal Reserve Bank stock	3,295		2,019
Total stock	11,917		12,744
Estimated Fair Value	324,964		158,878
Recurring basis \| Securities at Fair Value \| U.S. Treasury
Investment securities available for sale:
Total securities available for sale	83		261
Recurring basis \| Securities at Fair Value \| Corporate
Investment securities available for sale:
Total securities available for sale	9,169
Recurring basis \| Securities at Fair Value \| Municipal bonds
Investment securities available for sale:
Total securities available for sale	94,747		41,116
Recurring basis \| Securities at Fair Value \| Mortgage-backed securities
Investment securities available for sale:
Total securities available for sale	$ 209,048		$ 104,757