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Consideration Transferred, Identifiable Net Assets Acquired and Goodwill Recognized (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2013 | Sep. 30, 2012 | Sep. 30, 2013 | Sep. 30, 2012
Fair value of consideration transferred |  |  |  |
Fair value of Company shares issued, net of equity issuance costs |  |  | $ 45,033 |
Cash consideration for outstanding shares |  |  | 24,858 |
Total fair value of consideration transferred |  |  | 69,891 |
Identifiable assets acquired |  |  |  |
Cash and cash equivalents | 51,013 |  | 51,013 |
Investment securities, available-for-sale | 123,701 |  | 123,701 |
Loans receivable | 387,185 |  | 387,185 |
Core deposit intangible | 5,739 |  | 5,739 |
Accrued income and other assets | 39,325 |  | 39,325 |
Total identifiable assets acquired | 606,963 |  | 606,963 |
Liabilities assumed |  |  |  |
Deposits | 550,177 |  | 550,177 |
Federal Home Loan Bank advances and other borrowed funds | 5,467 |  | 5,467 |
Accrued expenses and other liabilities | 5,034 |  | 5,034 |
Total liabilities assumed | 560,678 |  | 560,678 |
Total identifiable net assets | 46,285 |  | 46,285 |
Goodwill recognized | 10,197 | 0 | 23,606 | 0
Wheatland Bankshares |  |  |  |
Fair value of consideration transferred |  |  |  |
Fair value of Company shares issued, net of equity issuance costs |  |  | 28,290 |
Cash consideration for outstanding shares |  |  | 11,025 |
Total fair value of consideration transferred |  |  | 39,315 |
Identifiable assets acquired |  |  |  |
Cash and cash equivalents | 23,148 |  | 23,148 |
Investment securities, available-for-sale | 75,643 |  | 75,643 |
Loans receivable | 171,199 |  | 171,199 |
Core deposit intangible | 2,079 |  | 2,079 |
Accrued income and other assets | 15,063 |  | 15,063 |
Total identifiable assets acquired | 287,132 |  | 287,132 |
Liabilities assumed |  |  |  |
Deposits | 255,197 |  | 255,197 |
Federal Home Loan Bank advances and other borrowed funds | 5,467 |  | 5,467 |
Accrued expenses and other liabilities | 562 |  | 562 |
Total liabilities assumed | 261,226 |  | 261,226 |
Total identifiable net assets | 25,906 |  | 25,906 |
Goodwill recognized |  |  | 13,409 |
North Cascades Bancshares |  |  |  |
Fair value of consideration transferred |  |  |  |
Fair value of Company shares issued, net of equity issuance costs |  |  | 16,743 |
Cash consideration for outstanding shares |  |  | 13,833 |
Total fair value of consideration transferred |  |  | 30,576 |
Identifiable assets acquired |  |  |  |
Cash and cash equivalents | 27,865 |  | 27,865 |
Investment securities, available-for-sale | 48,058 |  | 48,058 |
Loans receivable | 215,986 |  | 215,986 |
Core deposit intangible | 3,660 |  | 3,660 |
Accrued income and other assets | 24,262 |  | 24,262 |
Total identifiable assets acquired | 319,831 |  | 319,831 |
Liabilities assumed |  |  |  |
Deposits | 294,980 |  | 294,980 |
Federal Home Loan Bank advances and other borrowed funds | 0 |  | 0 |
Accrued expenses and other liabilities | 4,472 |  | 4,472 |
Total liabilities assumed | 299,452 |  | 299,452 |
Total identifiable net assets | 20,379 |  | 20,379 |
Goodwill recognized |  |  | $ 10,197 |

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- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions, acquired at the acquisition date. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6910749&loc=d3e4845-128472 + Details
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