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v2.4.1.9

Consolidated Statements of Stockholders' Equity (Parenthetical) (USD $) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Dividend reinvestment plan, shares |  |  |  |  | 58,309 us-gaap_StockIssuedDuringPeriodSharesDividendReinvestmentPlan | 63,349 us-gaap_StockIssuedDuringPeriodSharesDividendReinvestmentPlan | 90,110 us-gaap_StockIssuedDuringPeriodSharesDividendReinvestmentPlan
Stock purchase and compensation plans, shares |  |  |  |  | 769,389 us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation | 862,662 us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation | 857,403 us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation
Dividends to stockholders, per share | $ 0.14 us-gaap_CommonStockDividendsPerShareDeclared | [1] | $ 0.13 us-gaap_CommonStockDividendsPerShareDeclared | [1] | $ 0.53 us-gaap_CommonStockDividendsPerShareDeclared | $ 0.52 us-gaap_CommonStockDividendsPerShareDeclared | $ 0.52 us-gaap_CommonStockDividendsPerShareDeclared
Acquisition of treasury stock, shares |  |  |  |  | 154,559 us-gaap_TreasuryStockSharesAcquired | 167,846 us-gaap_TreasuryStockSharesAcquired | 194,575 us-gaap_TreasuryStockSharesAcquired
Preferred stock, par value per share | $ 0 us-gaap_PreferredStockParOrStatedValuePerShare |  | $ 0 us-gaap_PreferredStockParOrStatedValuePerShare |  | $ 0 us-gaap_PreferredStockParOrStatedValuePerShare | $ 0 us-gaap_PreferredStockParOrStatedValuePerShare | $ 0 us-gaap_PreferredStockParOrStatedValuePerShare
Preferred stock, shares authorized | 5,000,000 us-gaap_PreferredStockSharesAuthorized |  | 5,000,000 us-gaap_PreferredStockSharesAuthorized |  | 5,000,000 us-gaap_PreferredStockSharesAuthorized | 5,000,000 us-gaap_PreferredStockSharesAuthorized | 5,000,000 us-gaap_PreferredStockSharesAuthorized
Preferred stock, shares issued | 0 us-gaap_PreferredStockSharesIssued |  | 0 us-gaap_PreferredStockSharesIssued |  | 0 us-gaap_PreferredStockSharesIssued | 0 us-gaap_PreferredStockSharesIssued | 0 us-gaap_PreferredStockSharesIssued
Series A Preferred Stock [Member] |  |  |  |  |  |  |
Preferred stock, par value per share | $ 0 us-gaap_PreferredStockParOrStatedValuePerShare / us-gaap_StatementEquityComponentsAxis = us-gaap_SeriesAPreferredStockMember |  | $ 0 us-gaap_PreferredStockParOrStatedValuePerShare / us-gaap_StatementEquityComponentsAxis = us-gaap_SeriesAPreferredStockMember |  | $ 0 us-gaap_PreferredStockParOrStatedValuePerShare / us-gaap_StatementEquityComponentsAxis = us-gaap_SeriesAPreferredStockMember | $ 0 us-gaap_PreferredStockParOrStatedValuePerShare / us-gaap_StatementEquityComponentsAxis = us-gaap_SeriesAPreferredStockMember | $ 0 us-gaap_PreferredStockParOrStatedValuePerShare / us-gaap_StatementEquityComponentsAxis = us-gaap_SeriesAPreferredStockMember
Preferred stock, shares authorized | 300,000 us-gaap_PreferredStockSharesAuthorized / us-gaap_StatementEquityComponentsAxis = us-gaap_SeriesAPreferredStockMember |  | 300,000 us-gaap_PreferredStockSharesAuthorized / us-gaap_StatementEquityComponentsAxis = us-gaap_SeriesAPreferredStockMember |  | 300,000 us-gaap_PreferredStockSharesAuthorized / us-gaap_StatementEquityComponentsAxis = us-gaap_SeriesAPreferredStockMember | 300,000 us-gaap_PreferredStockSharesAuthorized / us-gaap_StatementEquityComponentsAxis = us-gaap_SeriesAPreferredStockMember | 300,000 us-gaap_PreferredStockSharesAuthorized / us-gaap_StatementEquityComponentsAxis = us-gaap_SeriesAPreferredStockMember
[1] | 1 See Note 20. “Statutory Financial Information, Capital Requirements, and Restrictions on Dividends and Transfers of Funds” for a discussion of dividend restrictions.

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- Definition Aggregate dividends declared during the period for each share of common stock outstanding. + References 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 -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 + Details
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