Long-Term Borrowings (Maturity) (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Debt Disclosure [Abstract]
Three months ending December 31, 2017	$ 1,866
Year ending December 31, 2018	54,385
Year ending December 31, 2019	33,508
Year ending December 31, 2020	25,564
Year ending December 31, 2021	21,979
Thereafter	58,588
Long-term borrowings	$ 195,890	$ 145,155
Nine months ending December 31, 2016	2.04%
Year ending December 31, 2017	3.46%
Year ending December 31, 2018	1.37%
Year ending December 31, 2019	1.85%
Year ending December 31, 2020	1.75%
Thereafter	2.62%
Total long-term borrowings	2.43%	2.81%

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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- Definition

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

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- Definition

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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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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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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-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
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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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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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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 calculated at point in time.

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