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Earnings Per Share - Reconciles Numerators and Denominators of Basic Earnings Per Share with Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2018 | Jun. 30, 2017
Numerator for Earnings per Share Basic and Diluted: |  |  |  |
Net income | $ 21,436 | $ 22,765 | $ 47,599 | $ 40,953
Less: Income allocated to participating shares | 62 | 81 | 141 | 141
Net Income Allocated to Shareholders | 21,374 | 22,684 | 47,458 | 40,812
Net Income Available to Shareholders | $ 21,436 | $ 22,765 | $ 47,599 | $ 40,953
Denominators for Earnings per Share: |  |  |  |
Weighted Average Shares Outstanding—Basic (in shares) | 34,793,160 | 34,724,925 | 34,775,043 | 34,707,683
Add: Potentially dilutive shares (in shares) | 264,416 | 181,571 | 267,998 | 199,693
Denominator for Treasury Stock Method—Diluted (in shares) | 35,057,576 | 34,906,496 | 35,043,041 | 34,907,376
Weighted Average Shares Outstanding—Basic (in shares) | 34,793,160 | 34,724,925 | 34,775,043 | 34,707,683
Add: Average participating shares outstanding (in shares) | 100,212 | 123,729 | 103,449 | 119,585
Denominator for Two-Class Method—Diluted (in shares) | 34,893,372 | 34,848,654 | 34,878,492 | 34,827,268
Earnings per share—basic (in dollars per share) | $ 0.62 | $ 0.66 | $ 1.37 | $ 1.18
Earnings per share—diluted (in dollars per share) | 0.61 | 0.65 | 1.36 | 1.17
Anti-dilutive warrants—exercise price (in dollars per share) | $ 31.53 | $ 31.53 | $ 31.53 | $ 31.53
Warrants |  |  |  |
Denominators for Earnings per Share: |  |  |  |
Anti-dilutive excluded from potentially dilutive shares (in shares) | 374,314 | 466,554 | 386,747 | 456,749
Restricted Stock |  |  |  |
Denominators for Earnings per Share: |  |  |  |
Anti-dilutive excluded from potentially dilutive shares (in shares) | 89,974 | 126,332 | 76,325 | 105,187

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- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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- Definition The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(19)) -URI http://asc.fasb.org/extlink&oid=114873790&loc=SL114874131-224263 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=109260490&loc=d3e1337-109256 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 55 -Paragraph 52 -URI http://asc.fasb.org/extlink&oid=109256448&loc=d3e4984-109258 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(21)) -URI http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=109234566&loc=d3e22694-107794 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=109260490&loc=d3e1252-109256 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(23)) -URI http://asc.fasb.org/extlink&oid=114873765&loc=SL114874048-224260 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 60B -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=109260490&loc=SL5780133-109256 + Details
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