Notes Payable (Details) - USD ($)
|
|
12 Months Ended |
|
Jan. 11, 2016 |
Dec. 31, 2016 |
Dec. 05, 2013 |
| Debt Instrument [Line Items] |
|
|
|
| Aggregate principal payment due in 2017 |
|
$ 1,227,000
|
|
| Aggregate principal payment due in 2018 |
|
48,750,000
|
|
| Notes Payable [Member] |
|
|
|
| Debt Instrument [Line Items] |
|
|
|
| Aggregate amount of notes payable |
|
1,500,000
|
|
| Aggregate principal payment due in 2017 |
|
694,000
|
|
| Aggregate principal payment due in 2018 |
|
$ 819,000
|
|
| Minimum [Member] |
|
|
|
| Debt Instrument [Line Items] |
|
|
|
| Spread on Libor variable rate |
|
1.50%
|
|
| Spread on variable rate |
|
0.10%
|
|
| Percentage of unused commitment fee |
|
0.10%
|
|
| Minimum [Member] | Notes Payable [Member] |
|
|
|
| Debt Instrument [Line Items] |
|
|
|
| Average effective interest rate |
|
3.25%
|
|
| Maximum [Member] |
|
|
|
| Debt Instrument [Line Items] |
|
|
|
| Spread on Libor variable rate |
|
2.50%
|
|
| Spread on variable rate |
|
1.00%
|
|
| Percentage of unused commitment fee |
|
0.25%
|
|
| Maximum [Member] | Notes Payable [Member] |
|
|
|
| Debt Instrument [Line Items] |
|
|
|
| Average effective interest rate |
|
3.50%
|
|
| Credit Agreement [Member] |
|
|
|
| Debt Instrument [Line Items] |
|
|
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| Cash and noncash consideration with respect to acquisition after amendment |
$ 50,000,000
|
|
|
| Cash dividends after amendment |
$ 10,000,000
|
|
|
| Credit Facility [Member] |
|
|
|
| Debt Instrument [Line Items] |
|
|
|
| Revolving credit facility commitment |
|
|
$ 125,000,000
|
| Revolving credit facility maturity date |
|
Nov. 30, 2018
|
|
| Remaining revolving credit outstanding |
|
$ 79,000,000
|
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