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Fair Value of Assets and Liabilities (Details 3) - USD ($) $ in Thousands | Mar. 31, 2016 | Dec. 31, 2015 | Mar. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
--- | --- | --- | --- | --- | ---
Financial assets |  |  |  |  |
Cash and cash equivalents | $ 35,529 | $ 20,459 | $ 49,765 | $ 28,197 | $ 13,137
Loans held for sale | 6,890 | 7,516 |  |  |
Loans, net of allowance for loan losses | 569,929 | 550,669 |  |  |
Federal Reserve and FHLB Bank stock | 3,748 | 3,748 |  |  |
Accrued interest receivable | 1,489 | 1,260 |  |  |
Mortgage Servicing Rights | 6,608 | 7,152 |  |  |
Financial liabilities |  |  |  |  |
Deposits | 638,028 | 586,453 |  |  |
Short-term borrowings | 14,524 | 12,406 |  |  |
FHLB Advances | 21,000 | 35,000 |  |  |
Trust preferred securities | 10,310 | 10,310 |  |  |
Accrued interest payable | 343 | 264 |  |  |
Level 1 [Member] |  |  |  |  |
Financial assets |  |  |  |  |
Cash and cash equivalents | $ 35,529 | $ 20,459 |  |  |
Loans held for sale |  |  |  |  |
Loans, net of allowance for loan losses |  |  |  |  |
Federal Reserve and FHLB Bank stock |  |  |  |  |
Accrued interest receivable |  |  |  |  |
Mortgage Servicing Rights |  |  |  |  |
Financial liabilities |  |  |  |  |
Deposits | $ 112,209 | $ 113,113 |  |  |
Short-term borrowings |  |  |  |  |
FHLB Advances |  |  |  |  |
Trust preferred securities |  |  |  |  |
Accrued interest payable |  |  |  |  |
Level 2 [Member] |  |  |  |  |
Financial assets |  |  |  |  |
Cash and cash equivalents |  |  |  |  |
Loans held for sale | $ 7,116 | $ 7,779 |  |  |
Loans, net of allowance for loan losses |  |  |  |  |
Federal Reserve and FHLB Bank stock | $ 3,748 | $ 3,748 |  |  |
Accrued interest receivable | $ 1,489 | $ 1,260 |  |  |
Mortgage Servicing Rights |  |  |  |  |
Financial liabilities |  |  |  |  |
Deposits | $ 528,772 | $ 475,468 |  |  |
Short-term borrowings | 14,524 | 12,406 |  |  |
FHLB Advances | 21,154 | 34,870 |  |  |
Trust preferred securities | 7,377 | 7,165 |  |  |
Accrued interest payable | $ 343 | $ 264 |  |  |
Level 3 [Member] |  |  |  |  |
Financial assets |  |  |  |  |
Cash and cash equivalents |  |  |  |  |
Loans held for sale |  |  |  |  |
Loans, net of allowance for loan losses | $ 568,672 | $ 548,154 |  |  |
Federal Reserve and FHLB Bank stock |  |  |  |  |
Accrued interest receivable |  |  |  |  |
Mortgage Servicing Rights | $ 6,945 | $ 7,760 |  |  |
Financial liabilities |  |  |  |  |
Deposits |  |  |  |  |
Short-term borrowings |  |  |  |  |
FHLB Advances |  |  |  |  |
Trust preferred securities |  |  |  |  |
Accrued interest payable |  |  |  |  |

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- Definition 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). Also includes, 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 No definition available. + Details
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- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions. 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. Excludes cash and cash equivalents within disposal group and discontinued operation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash -URI http://asc.fasb.org/extlink&oid=6506951 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=28358313&loc=d3e6676-107765 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3044-108585 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash Equivalents -URI http://asc.fasb.org/extlink&oid=6507016 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.1) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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