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Stock Based Compensation (Details) - Omnibus Equity Incentive Plan - $ / shares	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2019
Stock Option
Number of Shares
Beginning balance (shares)	968,720
Granted (shares)	157,000
Forfeited (shares)	(24,670)
Ending (shares)	968,720	1,101,050
Weighted- Average Exercise Price
Beginning balance (weighted average share price)	$ 15.68
Granted (weighted average share price)	13.64
Forfeited (weighted average share price)	15.00
Ending balance (weighted average share price)	$ 15.40
Deferred Stock Units and Restricted Units
Number of Shares
Beginning balance (shares)	27,570
Granted (shares)	182,185
Vested (shares)	(143)
Ending balance (shares)	209,612
Weighted- Average Grant Date Fair Value
Beginning balance (weighted average share price)	$ 12.88
Granted (weighted average share price)	13.36
Vested (weighted average share price)	12.79
Ending balance (weighted average share price)	$ 13.38

X

- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

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Gross number of share options (or share units) granted during the period.

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