CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (Parenthetical) (USD $)	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Statement Of Stockholders Equity [Abstract]
Common stock dividends, per share	$ 0.76	$ 0.64	$ 0.46
Stock option plan, shares	13,834	10,964	3,906
Employee stock purchase plan, shares	24,519	24,849	30,795
Acquisition of CommerceFirst Bancorp, Inc., shares			732,054
Director stock purchase plan, shares			1,083
Restricted stock, shares	54,535	48,816	46,512
Repurchase Of Common Stock Shares	38,032sasr_RepurchaseOfCommonStockShares

Repurchase of common stock, shares.

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- Definition

Number of shares issued during the period as a result of reissuance of treasury stock for Director stock awards.

+ References

No definition available.

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Aggregate dividends paid during the period for each share of common stock outstanding.

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Number of shares of stock issued during the period pursuant to acquisitions.

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Number of shares issued during the period as a result of an employee stock purchase plan.

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Number of shares issued during the period related to Restricted Stock Awards, net of any shares forfeited.

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- Definition

Number of share options (or share units) exercised during the current period.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3

Reference 2: http://www.xbrl.org/2003/role/presentationRef

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-Topic 505

-SubTopic 10

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