Long-Term Debt (Long-term Debt Table) (Details)
|
3 Months Ended |
6 Months Ended |
|
|
Jun. 30, 2017
USD ($)
|
Jun. 30, 2016
USD ($)
|
Jun. 30, 2017
USD ($)
|
Jun. 30, 2016
USD ($)
|
Dec. 31, 2016
USD ($)
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Accumulated Amortization, Debt Issuance Costs |
$ 4,290,000
|
|
$ 4,290,000
|
|
$ 4,138,000
|
| Revolving credit facility, maximum borrowing capacity |
300,000,000
|
|
300,000,000
|
|
|
| Debt issuance costs |
(1,118,000)
|
|
(1,118,000)
|
|
(1,270,000)
|
| Current maturities on long-term debt |
(15,040,000)
|
|
(15,040,000)
|
|
(13,021,000)
|
| Long-term debt, excluding current maturities |
190,708,000
|
|
190,708,000
|
|
204,404,000
|
| Revolving credit facility present accordion provisions |
75,000,000
|
|
75,000,000
|
|
|
| Amortization of Debt Issuance Costs |
|
|
408,000
|
$ 420,000
|
|
| Credit Agreement [Member] |
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Amortization of Debt Issuance Costs |
100,000
|
$ 100,000
|
200,000
|
$ 200,000
|
|
| Credit Agreement [Member] | Revolving Credit Facility [Member] |
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Carrying value of the liability component |
|
|
|
|
67,700,000
|
| Credit Agreement [Member] | Term Loan [Member] |
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Carrying value of the liability component |
133,125,000
|
|
133,125,000
|
|
138,750,000
|
| Current maturities on long-term debt |
(13,125,000)
|
|
(13,125,000)
|
|
(11,250,000)
|
| Notes Payable, Other Payables [Member] | Acquisition Debt, Deferred Purchase Price [Member] |
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Carrying value of the liability component |
11,641,000
|
|
11,641,000
|
|
12,245,000
|
| Current maturities on long-term debt |
$ (1,915,000)
|
|
$ (1,915,000)
|
|
$ (1,771,000)
|
| Term Number Two [Member] |
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Ratio of indebtedness to net capital (in Ratio) (below at March 31, 2015) |
3.5
|
|
3.5
|
|
|