Revolving Credit Facility and Notes Payable (Narrative) (Details)
|
12 Months Ended |
|
Dec. 31, 2015
USD ($)
|
|---|
| Revolving Credit Facility [Member] |
|
| Line of Credit Facility [Line Items] |
|
| Line of credit facility, maximum borrowing capacity |
$ 15,000,000
|
| Debt instrument, description of variable rate basis |
prime rate or LIBOR plus 2.5%
|
| Line of credit facility, unused capacity, commitment fee percentage |
0.25%
|
| Line of credit facility, amount outstanding |
$ 0
|
| Facility B Revolving Credit Facility [Member] |
|
| Line of Credit Facility [Line Items] |
|
| Line of credit facility, maximum borrowing capacity |
$ 30,000,000
|
| Debt instrument, description of variable rate basis |
prime rate or LIBOR plus 3.00%
|
| Line of credit facility, unused capacity, commitment fee percentage |
0.25%
|
| Line of credit facility, commitment fee amount |
$ 75,000
|
| Line of credit facility, amount outstanding |
$ 30,000,000
|
| Line of credit facility, expiration date |
Dec. 17, 2017
|
| Letters of Credit [Member] |
|
| Line of Credit Facility [Line Items] |
|
| Line of credit facility, maximum borrowing capacity |
$ 5,000,000
|
| Line of credit facility, commitment fee percentage |
1.00%
|
| London Interbank Offered Rate (LIBOR) [Member] | Revolving Credit Facility [Member] |
|
| Line of Credit Facility [Line Items] |
|
| Debt instrument, basis spread on variable rate |
2.50%
|
| London Interbank Offered Rate (LIBOR) [Member] | Facility B Revolving Credit Facility [Member] |
|
| Line of Credit Facility [Line Items] |
|
| Debt instrument, basis spread on variable rate |
3.00%
|