XML 34 R45.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Additional Details Related to Loans Classified as TDR's (Detail) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2012 | Jun. 30, 2012 | Dec. 31, 2011
Financing Receivable, Modifications [Line Items] |  |  |  |  |
Pre-Modification Outstanding Recorded Investment | $ 1,557 |  | $ 5,151 |  |
Post-Modification Outstanding Recorded Investment | 1,543 |  | 5,135 |  | 40,474
Reserve Difference | (161) | [1] | (298) | [1] |
Reserve | 259 |  | 500 |  |
Agricultural |  |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |  |
Number of Loans | 0 |  | 0 |  |
Post-Modification Outstanding Recorded Investment |  |  |  |  | 12
Commercial and Industrial |  |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |  |
Number of Loans | 5 |  | 7 |  |
Pre-Modification Outstanding Recorded Investment | 376 |  | 407 |  |
Post-Modification Outstanding Recorded Investment | 375 |  | 401 |  | 1,956
Reserve Difference | (16) | [1] | (28) | [1] |
Reserve | 45 |  | 49 |  |
Consumer loans |  |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |  |
Number of Loans | 9 |  | 13 |  |
Pre-Modification Outstanding Recorded Investment | 633 |  | 861 |  |
Post-Modification Outstanding Recorded Investment | 631 |  | 858 |  | 3,209
Reserve Difference | (193) | [1] | (207) | [1] |
Reserve | 129 |  | 141 |  |
Small Business Administration Loans |  |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |  |
Number of Loans | 0 |  | 1 |  |
Pre-Modification Outstanding Recorded Investment |  |  | 468 |  |
Post-Modification Outstanding Recorded Investment |  |  | 475 |  | 773
Reserve Difference |  |  | 2 | [1] |
Reserve |  |  | 119 |  |
Real Estate Loans |  |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |  |
Pre-Modification Outstanding Recorded Investment | 548 |  | 3,415 |  |
Post-Modification Outstanding Recorded Investment | 537 |  | 3,401 |  | 34,524
Reserve Difference | 48 | [1] | (65) | [1] |
Reserve | 85 |  | 191 |  |
Real Estate Loans | Other construction/Land |  |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |  |
Number of Loans | 1 |  | 2 |  |
Pre-Modification Outstanding Recorded Investment | 59 |  | 112 |  |
Post-Modification Outstanding Recorded Investment | 59 |  | 112 |  | 7,497
Reserve Difference | 10 | [1] | 11 | [1] |
Reserve | 12 |  | 12 |  |
Real Estate Loans | 1-4 Family - closed end |  |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |  |
Number of Loans | 1 |  | 3 |  |
Pre-Modification Outstanding Recorded Investment | 233 |  | 344 |  |
Post-Modification Outstanding Recorded Investment | 222 |  | 331 |  | 7,600
Reserve Difference | 20 | [1] | 27 | [1] |
Reserve | 39 |  | 47 |  |
Real Estate Loans | Equity Lines |  |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |  |
Number of Loans | 1 |  | 1 |  |
Pre-Modification Outstanding Recorded Investment | 29 |  | 29 |  |
Post-Modification Outstanding Recorded Investment | 29 |  | 29 |  | 575
Reserve Difference | 13 | [1] | 13 | [1] |
Reserve | 29 |  | 29 |  |
Real Estate Loans | Commercial real estate - owner occupied |  |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |  |
Number of Loans | 1 |  | 3 |  |
Pre-Modification Outstanding Recorded Investment | 227 |  | 2,600 |  |
Post-Modification Outstanding Recorded Investment | 227 |  | 2,600 |  | 3,963
Reserve Difference | 5 | [1] | (71) | [1] |
Reserve | 5 |  | 97 |  |
Real Estate Loans | Commercial real estate - non-owner occupied |  |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |  |
Number of Loans | 0 |  | 2 |  |
Pre-Modification Outstanding Recorded Investment |  |  | 330 |  |
Post-Modification Outstanding Recorded Investment |  |  | 329 |  | 14,889
Reserve Difference |  |  | (45) | [1] |
Reserve |  |  | $ 6 |  |
[1] | This represents the change in the ALL 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.

X
- Definition Financing Receivable, Modifications, Number of Contracts, During Period + References No definition available. + Details
Name: | bsrr_FinancingReceivableModificationsNumberOfContractsDuringPeriod
Namespace Prefix: | bsrr_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Financing Receivable, Modifications, Post-Modification Recorded Investment During Period + References No definition available. + Details
Name: | bsrr_FinancingReceivableModificationsPostModificationRecordedInvestmentDuringPeriod
Namespace Prefix: | bsrr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Financing Receivable, Modifications, Pre-Modification Recorded Investment During Period + References No definition available. + Details
Name: | bsrr_FinancingReceivableModificationsPreModificationRecordedInvestmentDuringPeriod
Namespace Prefix: | bsrr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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