Long-Term Borrowings (Maturity) (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Debt Disclosure [Abstract]
Six Months Ending December 31, 2015	$ 5,377
Year Ending December 31, 2016	7,734
Year Ending December 31, 2017	7,126
Year Ending December 31, 2018	42,390
Year Ending December 31, 2019	41,426
Thereafter	24,580
Long-term borrowings	$ 128,633	$ 179,083
Weighted Average Interest Rate for the Six Months Ending December 31, 2015	2.78%
Weighted Average Interest Rate for the Year Ending December 31, 2016	3.07%
Weighted Average Interest Rate for the Year Ending December 31, 2017	3.16%
Weighted Average Interest Rate for the Year Ending December 31, 2018	3.33%
Weighted Average Interest Rate for the Year Ending December 31, 2019	3.59%
Weighted Average Interest Rate for Thereafter	2.69%
Weighted Average Interest Rate for Total long-term borrowings	3.24%	3.12%

Long-term Debt, Maturities, Repayments of Principal after Year Five, Weighted Average Interest Rate

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Long-term Debt, Maturities, Repayments of Principal in Year Five, Weighted Average Interest Rate

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Long-term Debt, Maturities, Repayments of Principal in Year Four, Weighted Average Interest Rate

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Long-term Debt, Maturities, Repayments of Principal in Year Three, Weighted Average Interest Rate

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Long-term Debt, Maturities, Repayments of Principal in Year Two, Weighted Average Interest Rate

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- Definition

Long-term Debt, Maturities, Repayments of Principal Remainder of Fiscal Year, Weighted Average Interest Rate

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Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the remainder of the fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Weighted average interest rate of long-term debt outstanding.

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