Income Taxes - Reconciliation of Expected Tax Benefit with Income Tax Benefit Relating to Loss before Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Tax rate applied to income (loss) before income taxes	$ 12,484	$ 3,583	$ 4,061
Increase (decrease) resulting from the effects of:
Nondeductible acquisition costs	441	554	0
Tax exempt interest on obligations of states and political subdivisions and bank owned life insurance	(761)	(293)	(148)
State income taxes	(746)	(278)	(259)
Nontaxable bargain purchase gain	(146)	0	0
Stock compensation	127	92	4
Other	(3)	92	38
Federal tax provision before valuation allowance	11,396	3,750	3,696
State tax provision before valuation allowance	2,131	794	740
Total income tax provision	13,527	4,544	4,436
Change in valuation allowance	0	0	(44,821)
Income tax provision (benefit)	$ 13,527	$ 4,544	$ (40,385)

Current federal tax benefit before valuation allowance.

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Current state and local tax benefit before valuation allowance.

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Income tax expense benefit before valuation allowance.

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Nontaxable bargain purchase gain during the year.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 9
-Subparagraph (a),(b)
-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(h))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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-Publisher FASB
-Name Accounting Standards Codification
-Glossary Income Tax Expense (or Benefit)
-URI http://asc.fasb.org/extlink&oid=6515339

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations, attributable to increase (decrease) in the income tax rates.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to nondeductible equity-based compensation costs.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to state and local income tax expense (benefit).

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to income (loss) exempt from income taxes.

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Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset.

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