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Condensed Parent Only Financial Information Condensed Statements of Cash Flows (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2015 | Sep. 30, 2015 | Jun. 30, 2015 | Mar. 31, 2015 | Dec. 31, 2014 | Sep. 30, 2014 | Jun. 30, 2014 | Mar. 31, 2014 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Net Cash Provided by (Used in) Operating Activities |  |  |  |  |  |  |  |  |  |  |
Net income | $ 4,083 | $ 4,381 | $ 3,858 | $ 4,192 | $ 3,744 | $ 3,553 | $ 3,505 | $ 3,337 | $ 16,514 | $ 14,139 | $ 13,746
Equity in undistributed earnings of consolidated subsidiaries |  |  |  |  |  |  |  |  | (481) | (774) | 437
Share-based compensation |  |  |  |  |  |  |  |  | 1,063 | 887 | 660
Excess tax benefit from share-based compensation |  |  |  |  |  |  |  |  | (267) | (584) | (365)
Increase in other liabilities |  |  |  |  |  |  |  |  | 1,269 | 2,390 | (3,681)
Other, net |  |  |  |  |  |  |  |  | (1,033) | (5,448) | 2,713
Net cash provided by (used in) operating activities |  |  |  |  |  |  |  |  | 23,220 | 11,874 | 15,902
Net Cash Provided by (Used in) Investing Activities |  |  |  |  |  |  |  |  |  |  |
Net cash (used in) provided by investing activities |  |  |  |  |  |  |  |  | (149,585) | (332,749) | (54,916)
Net Cash Provided by (Used in) Financing Activities |  |  |  |  |  |  |  |  |  |  |
Net increase (decrease) in short-term borrowed funds |  |  |  |  |  |  |  |  | 1,500 | 1,000 | 0
Proceeds from issuance of long-term debt, net of issuance costs |  |  |  |  |  |  |  |  | 0 | 14,469 | 0
Repayment of long-term debt |  |  |  |  |  |  |  |  | 0 | (4,000) | 0
Proceeds from issuance of common stock |  |  |  |  |  |  |  |  | 0 | 16,557 | 0
Proceeds from exercise of stock options |  |  |  |  |  |  |  |  | 300 | 936 | 1,474
Purchase of treasury stock |  |  |  |  |  |  |  |  | (946) | (1,795) | (1,782)
Excess tax benefit from share-based compensation |  |  |  |  |  |  |  |  | 267 | 584 | 365
Dividends paid |  |  |  |  |  |  |  |  | (3,816) | (3,396) | (2,475)
Net cash provided by (used in) financing activities |  |  |  |  |  |  |  |  | 136,692 | 342,826 | 34,714
Net (decrease) increase in cash and cash equivalents |  |  |  |  |  |  |  |  | 10,327 | 21,951 | (4,300)
Cash and cash equivalents at the beginning of the period |  |  |  | 103,237 |  |  |  | 81,286 | 103,237 | 81,286 | 85,586
Cash and cash equivalents at the end of the period | 113,564 |  |  |  | 103,237 |  |  |  | 113,564 | 103,237 | 81,286
Parent company |  |  |  |  |  |  |  |  |  |  |
Net Cash Provided by (Used in) Operating Activities |  |  |  |  |  |  |  |  |  |  |
Net income |  |  |  |  |  |  |  |  | 16,514 | 14,139 | 13,746
Equity in undistributed earnings of consolidated subsidiaries |  |  |  |  |  |  |  |  | (20,185) | (17,185) | (15,434)
Share-based compensation |  |  |  |  |  |  |  |  | 448 | 416 | 311
Excess tax benefit from share-based compensation |  |  |  |  |  |  |  |  | (162) | (305) | (145)
Increase in other liabilities |  |  |  |  |  |  |  |  | 2,390 | 1,002 | 867
Other, net |  |  |  |  |  |  |  |  | (319) | (842) | (34)
Net cash provided by (used in) operating activities |  |  |  |  |  |  |  |  | (1,314) | (2,775) | (689)
Net Cash Provided by (Used in) Investing Activities |  |  |  |  |  |  |  |  |  |  |
Dividends received from subsidiaries |  |  |  |  |  |  |  |  | 7,034 | 8,000 | 8,000
Capital contributions to subsidiaries |  |  |  |  |  |  |  |  | (3,000) | (32,980) | (850)
Net cash (used in) provided by investing activities |  |  |  |  |  |  |  |  | 4,034 | (24,980) | 7,150
Net Cash Provided by (Used in) Financing Activities |  |  |  |  |  |  |  |  |  |  |
Net increase (decrease) in short-term borrowed funds |  |  |  |  |  |  |  |  | 1,500 | 1,000 | 0
Proceeds from issuance of long-term debt, net of issuance costs |  |  |  |  |  |  |  |  | 0 | 14,469 | 0
Repayment of long-term debt |  |  |  |  |  |  |  |  | 0 | (4,000) | 0
Proceeds from issuance of common stock |  |  |  |  |  |  |  |  | 0 | 16,560 | 0
Proceeds from exercise of stock options |  |  |  |  |  |  |  |  | 300 | 936 | 1,474
Purchase of treasury stock |  |  |  |  |  |  |  |  | (946) | (1,795) | (1,782)
Excess tax benefit from share-based compensation |  |  |  |  |  |  |  |  | 162 | 305 | 145
Dividends paid |  |  |  |  |  |  |  |  | (3,816) | (3,396) | (2,475)
Net cash provided by (used in) financing activities |  |  |  |  |  |  |  |  | (2,800) | 24,079 | (2,638)
Net (decrease) increase in cash and cash equivalents |  |  |  |  |  |  |  |  | (80) | (3,676) | 3,823
Cash and cash equivalents at the beginning of the period |  |  |  | $ 1,179 |  |  |  | $ 4,855 | 1,179 | 4,855 | 1,032
Cash and cash equivalents at the end of the period | $ 1,099 |  |  |  | $ 1,179 |  |  |  | $ 1,099 | $ 1,179 | $ 4,855

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- Definition The cash inflow associated with the amount received from holders exercising their stock options. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (j) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3255-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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- Definition The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585 + Details
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