Derivative Financial Instruments (Narrative) (Details)
$ in Thousands |
1 Months Ended |
9 Months Ended |
|
|
Mar. 31, 2016
USD ($)
contract
|
Jul. 31, 2009
USD ($)
contract
|
Sep. 30, 2017
USD ($)
|
Dec. 31, 2016
USD ($)
|
| Derivative [Line Items] |
|
|
|
|
| Decrease in fair value of derivatives |
|
|
$ 157
|
|
| Deferred tax asset on gain on derivative |
|
|
$ 63
|
|
| Cash flow hedge ineffectiveness |
|
|
0
|
|
| Interest Rate Swap [Member] |
|
|
|
|
| Derivative [Line Items] |
|
|
|
|
| Interest rate swap notional amount |
$ 30,000
|
$ 20,000
|
|
|
| Number of interest rate swap contracts | contract |
4
|
3
|
|
|
| Interest rate swap fair value |
|
|
$ 500
|
$ 700
|
| Swap Contract - 3-Year $5 million [Member] |
|
|
|
|
| Derivative [Line Items] |
|
|
|
|
| Interest rate swap notional amount |
$ 5,000
|
|
|
|
| Derivative, maturity date |
Jun. 17, 2019
|
|
|
|
| Swap Contract - 5-Year $5 million [Member] |
|
|
|
|
| Derivative [Line Items] |
|
|
|
|
| Interest rate swap notional amount |
$ 5,000
|
|
|
|
| Derivative, maturity date |
Mar. 17, 2021
|
|
|
|
| Swap Contract - 10-Year $15 million [Member] |
|
|
|
|
| Derivative [Line Items] |
|
|
|
|
| Interest rate swap notional amount |
$ 15,000
|
|
|
|
| Derivative, maturity date |
Mar. 17, 2026
|
|
|
|
| Swap Contract- 7 year $5 Million [Member] |
|
|
|
|
| Derivative [Line Items] |
|
|
|
|
| Interest rate swap notional amount |
$ 5,000
|
|
|
|
| Derivative, maturity date |
Mar. 17, 2023
|
|
|
|