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Fair Value (Carrying amount and estimated fair value of financial instruments) (Details) - USD ($) $ in Thousands | Mar. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Level 1 [Member] |  |  |
ASSETS |  |  |
Cash and cash equivalents |  | $ 16,712 | $ 30,848
Mortgage loans AFS |  | 0 | 0
Total loans |  | 0 | 0
Less allowance for loan losses |  | 0 | 0
Net loans |  | 0 | 0
Accrued interest receivable |  | 7,134 | 7,063
Equity securities without readily determinable fair values | [1] | 0 | 0
Originated mortgage servicing rights |  | 0 | 0
LIABILITIES |  |  |
Deposits without stated maturities |  | 825,808 | 811,992
Deposits with stated maturities |  | 0 | 0
Borrowed funds |  | 0 | 0
Accrued interest payable |  | 676 | 680
Level 2 [Member] |  |  |
ASSETS |  |  |
Cash and cash equivalents |  | 0 | 0
Mortgage loans AFS |  | 447 | 1,587
Total loans |  | 0 | 0
Less allowance for loan losses |  | 0 | 0
Net loans |  | 0 | 0
Accrued interest receivable |  | 0 | 0
Equity securities without readily determinable fair values | [1] | 0 | 0
Originated mortgage servicing rights |  | 2,421 | 2,409
LIABILITIES |  |  |
Deposits without stated maturities |  | 0 | 0
Deposits with stated maturities |  | 460,342 | 443,892
Borrowed funds |  | 298,139 | 342,089
Accrued interest payable |  | 0 | 0
Level 3 [Member] |  |  |
ASSETS |  |  |
Cash and cash equivalents |  | 0 | 0
Mortgage loans AFS |  | 0 | 0
Total loans |  | 1,075,018 | 1,056,906
Less allowance for loan losses |  | 8,200 | 7,700
Net loans |  | 1,066,818 | 1,049,206
Accrued interest receivable |  | 0 | 0
Equity securities without readily determinable fair values | [1] | 0 | 0
Originated mortgage servicing rights |  | 0 | 0
LIABILITIES |  |  |
Deposits without stated maturities |  | 0 | 0
Deposits with stated maturities |  | 0 | 0
Borrowed funds |  | 0 | 0
Accrued interest payable |  | 0 | 0
Carrying Value [Member] |  |  |
ASSETS |  |  |
Cash and cash equivalents |  | 16,712 | 30,848
Mortgage loans AFS |  | 359 | 1,560
Total loans |  | 1,093,002 | 1,091,519
Less allowance for loan losses |  | 8,200 | 7,700
Net loans |  | 1,084,802 | 1,083,819
Accrued interest receivable |  | 7,134 | 7,063
Equity securities without readily determinable fair values | [1] | 23,391 | 23,454
Originated mortgage servicing rights |  | 2,421 | 2,409
LIABILITIES |  |  |
Deposits without stated maturities |  | 825,808 | 811,992
Deposits with stated maturities |  | 472,060 | 453,266
Borrowed funds |  | 303,113 | 344,878
Accrued interest payable |  | 676 | 680
Estimated Fair Value [Member] |  |  |
ASSETS |  |  |
Cash and cash equivalents |  | 16,712 | 30,848
Mortgage loans AFS |  | 447 | 1,587
Total loans |  | 1,075,018 | 1,056,906
Less allowance for loan losses |  | 8,200 | 7,700
Net loans |  | 1,066,818 | 1,049,206
Accrued interest receivable |  | 7,134 | 7,063
Originated mortgage servicing rights |  | 2,421 | 2,409
LIABILITIES |  |  |
Deposits without stated maturities |  | 825,808 | 811,992
Deposits with stated maturities |  | 460,342 | 443,892
Borrowed funds |  | 298,139 | 342,089
Accrued interest payable |  | $ 676 | $ 680
[1] | Due to the characteristics of equity securities without readily determinable fair values, they are not disclosed under a specific fair value hierarchy. If we were to record an impairment adjustment related to these securities, such amount would be classified as a nonrecurring Level 3 fair value adjustment.

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- Definition Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Glossary Loan -URI http://asc.fasb.org/extlink&oid=6517073 + Details
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