XML 33 R45.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Credit Quality and Nonperforming Assets (Schedule of Additional Details Related to Loans Classified as TDR) (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2014 | Sep. 30, 2014 | Dec. 31, 2013
Financing Receivable, Modifications [Line Items] |  |  |  |  |
Pre-Modification Outstanding Recorded Investment | $ 330 |  | $ 1,271 |  |
Post-Modification Outstanding Recorded Investment | 330 |  | 1,271 |  | 7,123
Reserve Difference | 25 | [1] | 248 | [2] |
Reserve | 35 |  | 241 |  |
Commercial and Industrial [Member] |  |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |  |
Number of Loans |  |  | 5 |  |
Pre-Modification Outstanding Recorded Investment |  |  | 167 |  |
Post-Modification Outstanding Recorded Investment |  |  | 167 |  | 1,871
Reserve Difference |  | [1] | 53 | [2] |
Reserve |  |  | 57 |  |
Consumer [Member] |  |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |  |
Number of Loans | 1 |  | 4 |  |
Pre-Modification Outstanding Recorded Investment | 103 |  | 112 |  |
Post-Modification Outstanding Recorded Investment | 103 |  | 112 |  | 561
Reserve Difference | 14 | [1] | 15 | [2] |
Reserve | 15 |  | 15 |  |
Real Estate Loans [Member] |  |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |  |
Pre-Modification Outstanding Recorded Investment | 227 |  | 992 |  |
Post-Modification Outstanding Recorded Investment | 227 |  | 992 |  | 4,691
Reserve Difference | 11 | [1] | 180 | [2] |
Reserve | 20 |  | 169 |  |
Real Estate Loans [Member] | Other construction/land [Member] |  |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |  |
Number of Loans |  |  |  |  |
Pre-Modification Outstanding Recorded Investment |  |  |  |  |
Post-Modification Outstanding Recorded Investment |  |  |  |  | 416
Reserve Difference |  | [1] |  | [2] |
Reserve |  |  |  |  |
Real Estate Loans [Member] | 1-4 Family - closed end [Member] |  |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |  |
Number of Loans |  |  | 1 |  |
Pre-Modification Outstanding Recorded Investment |  |  | 13 |  |
Post-Modification Outstanding Recorded Investment |  |  | 13 |  | 3,678
Reserve Difference |  | [1] |  | [2] |
Reserve |  |  |  |  |
Real Estate Loans [Member] | Equity Lines [Member] |  |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |  |
Number of Loans | 3 |  | 6 |  |
Pre-Modification Outstanding Recorded Investment | 227 |  | 577 |  |
Post-Modification Outstanding Recorded Investment | 227 |  | 577 |  | 40
Reserve Difference | 11 | [1] | 180 | [2] |
Reserve | 20 |  | 33 |  |
Real Estate Loans [Member] | Commercial real estate - owner occupied [Member] |  |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |  |
Number of Loans |  |  | 2 |  |
Pre-Modification Outstanding Recorded Investment |  |  | 402 |  |
Post-Modification Outstanding Recorded Investment |  |  | 402 |  | 557
Reserve Difference |  | [1] |  | [2] |
Reserve |  |  | $ 136 |  |
[1] | This represents the change in the ALLL reserve for these credits measured as the difference between the specific post-modification impairment reserve and the pre-modification reserve calculated under our general allowance for loan loss methodology.
[2] | This represents the change in the ALLL reserve for these credits measured as the difference between the specific post-modification impairment reserve and the pre-modification reserve calculated under our general allowancefor loan loss methodology.

X
- Definition Financing Receivable Modifications Reserve. + References No definition available. + Details
Name: | bsrr_FinancingReceivableModificationsReserve
Namespace Prefix: | bsrr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Increase Decrease In Financing Receivable Modification + References No definition available. + Details
Name: | bsrr_IncreaseDecreaseInFinancingReceivableModification
Namespace Prefix: | bsrr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_FinancingReceivableModificationsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of financing receivables that have been modified by troubled debt restructurings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953676-111524 + Details
Name: | us-gaap_FinancingReceivableModificationsNumberOfContracts2
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Post-modification amount of investment in financing receivables modified by troubled debt restructurings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953676-111524 + Details
Name: | us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Pre-modification amount of investment in financing receivables modified by troubled debt restructurings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953676-111524 + Details
Name: | us-gaap_FinancingReceivableModificationsPreModificationRecordedInvestment2
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration