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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.

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Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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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 weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units.

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Weighted average remaining contractual term for equity-based awards excluding options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Intrinsic value of equity-based compensation awards not vested. Excludes stock and unit options.

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Stock Incentive Plans - Narrative (Details) - USD ($)	6 Months Ended		12 Months Ended
Stock Incentive Plans - Narrative (Details) - USD ($)	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014	Dec. 31, 2013
Share Based Awards [LineItems]
Award Date		Apr. 25, 2014
Shares Granted To Each Director		6,000
ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1		3 years
Shares Vesting Per Director Each Year		2,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number	24,000	24,000
Weighted Average Remaining Term		2 years 10 months
Restricted Stock
Share Based Awards [LineItems]
Award Date		Apr. 25, 2014
Shares Granted To Each Director		6,000
ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1		3 years
Shares Vesting Per Director Each Year		2,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number	16,000	24,000	24,000	0
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value	$ 12.23	$ 12.23	$ 12.23	$ 0
Intrinsic Value of Nonvested	$ 179,000	$ 313,000
Weighted Average Remaining Term	2 years 10 months	1 year 10 months
Remaining Compensation Expense	$ 179,000	$ 277,000
Share Based Compensation	$ 16,000	$ 49,000
Shares Granted	0	24,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value	$ 0	$ 12.23
Shares Vested	(8,000)	0
Shares Vested Weighted Average Garnt Date Value	$ 12.23	$ 0
Shares Issued Prior Year Sevice	21,715
Share Based Compensation Prior Year	$ 288,000
Shares Surrendered	7,475
Shares Surrendered Value	$ 100,000
Stock Awards [Member]
Share Based Awards [LineItems]
Share Based Compensation	$ 327,000	$ 38,000	$ 288,000
Shares Granted	24,619	2,944
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value	$ 13.28	$ 13.06
Performance Units [Member]
Share Based Awards [LineItems]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number	7,508
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value	$ 13.32
Intrinsic Value of Nonvested	$ 84
Weighted Average Remaining Term	1 year 10 months 15 days
Remaining Compensation Expense	$ 78
Share Based Compensation	$ 22,000