Revolving Term Credit Facilities and Debt - Additional Information - PM Group Term Loans (Detail) € in Thousands, $ in Thousands |
12 Months Ended |
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|
|
Dec. 31, 2016
USD ($)
Bank
Payment
|
Dec. 31, 2016
EUR (€)
Payment
|
Dec. 31, 2016
EUR (€)
Bank
|
Jan. 15, 2015
USD ($)
|
Jan. 15, 2015
EUR (€)
|
| Line of Credit Facility [Line Items] |
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| Debt issuance cost |
$ 1,561
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| Interest rates swaps, fair value |
405
|
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| Italy [Member] |
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| Line of Credit Facility [Line Items] |
|
|
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| Debt issuance cost |
431
|
|
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| Interest rates swaps, fair value |
405
|
|
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| Non Interest Bearing Promissory Note |
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| Line of Credit Facility [Line Items] |
|
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| Debt Instrument, fair value |
835
|
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| Non Interest Bearing Promissory Note | Italy [Member] |
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| Line of Credit Facility [Line Items] |
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| Debt Instrument, fair value |
835
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| PM Group [Member] | Interest Rate Swap Contracts [Member] |
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| Line of Credit Facility [Line Items] |
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| Interest rates swaps, fair value |
405
|
|
€ 384
|
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| PM Group [Member] | Unsecured Debt |
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| Line of Credit Facility [Line Items] |
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|
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| Bank Loans |
$ 13,733
|
|
€ 13,015
|
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| Debt Instrument, Basis Spread on Variable Rate |
2.50%
|
2.50%
|
|
|
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| Debt Instrument, Interest Rate, Effective Percentage |
2.18%
|
|
2.18%
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| Debt Instrument, Frequency of periodic payment |
Semi-annual basis
|
Semi-annual basis
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|
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| Debt instrument, semi installment payable start date |
2019-06
|
2019-06
|
|
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| Debt instrument, semi installment payable end date |
2021-12
|
2021-12
|
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| Accrued interest |
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|
|
$ 378
|
€ 358
|
| Accrued Interest, Frequency of Periodic Payment |
Semi-annual
|
Semi-annual
|
|
|
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| Debt instrument, Accrued interest semi installment payable start date |
2019-06
|
2019-06
|
|
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| Debt instrument, Accrued interest semi installment payable end date |
2019-12
|
2019-12
|
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| PM Group [Member] | Unsecured Debt | Italy [Member] |
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| Line of Credit Facility [Line Items] |
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| Number of Italian banks | Bank |
4
|
|
4
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| PM Group [Member] | First note [Member] | Notes Payable to Banks [Member] |
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| Line of Credit Facility [Line Items] |
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| Debt Instrument, Interest Rate, Effective Percentage |
3.00%
|
|
3.00%
|
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| Number of payments | Payment |
60
|
60
|
|
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| Debt Instrument, Periodic Payment |
$ 9
|
€ 8
|
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| Debenture, maturity date |
Oct. 31, 2020
|
Oct. 31, 2020
|
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| Notes Payable |
$ 410
|
|
€ 389
|
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| PM Group [Member] | First note [Member] | 1-month Euribor [Member] | Notes Payable to Banks [Member] |
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| Line of Credit Facility [Line Items] |
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| Debt Instrument, Basis Spread on Variable Rate |
3.00%
|
3.00%
|
|
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|
| PM Group [Member] | Second note [Member] | Notes Payable to Banks [Member] |
|
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| Line of Credit Facility [Line Items] |
|
|
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| Debt Instrument, Interest Rate, Effective Percentage |
2.50%
|
|
2.50%
|
|
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| Number of payments | Payment |
1
|
1
|
|
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| Debenture, maturity date |
Jun. 30, 2017
|
Jun. 30, 2017
|
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| Notes Payable |
$ 464
|
|
€ 440
|
|
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| PM Group [Member] | Second note [Member] | 1-month Euribor [Member] | Notes Payable to Banks [Member] |
|
|
|
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| Line of Credit Facility [Line Items] |
|
|
|
|
|
| Debt Instrument, Basis Spread on Variable Rate |
2.50%
|
2.50%
|
|
|
|
| PM Group [Member] | Bank Term Loan Facility [Member] |
|
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| Line of Credit Facility [Line Items] |
|
|
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| Bank Loans |
$ 12,706
|
|
12,041
|
|
|
| Debt issuance cost |
431
|
|
408
|
|
|
| PM Group [Member] | Bank Term Loan Facility [Member] | First note [Member] |
|
|
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| Line of Credit Facility [Line Items] |
|
|
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| Bank Loans |
$ 4,189
|
|
€ 3,970
|
|
|
| Debt Instrument, Interest Rate, Effective Percentage |
2.14%
|
|
2.14%
|
|
|
| Debt Instrument, Frequency of periodic payment |
Semi-annual
|
Semi-annual
|
|
|
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| Debt instrument, semi installment payable start date |
2017-06
|
2017-06
|
|
|
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| Debt instrument, semi installment payable end date |
2021-12
|
2021-12
|
|
|
|
| PM Group [Member] | Bank Term Loan Facility [Member] | First note [Member] | 6-month Euribor [Member] |
|
|
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| Line of Credit Facility [Line Items] |
|
|
|
|
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| Debt Instrument, Basis Spread on Variable Rate |
2.36%
|
2.36%
|
|
|
|
| PM Group [Member] | Bank Term Loan Facility [Member] | Second note [Member] |
|
|
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| Line of Credit Facility [Line Items] |
|
|
|
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| Bank Loans |
$ 5,134
|
|
€ 4,865
|
|
|
| Debt Instrument, Interest Rate, Effective Percentage |
2.64%
|
|
2.64%
|
|
|
| Debt Instrument, Frequency of periodic payment |
Semi-annual
|
Semi-annual
|
|
|
|
| Debt instrument, semi installment payable start date |
2017-06
|
2017-06
|
|
|
|
| Debt instrument, semi installment payable end date |
2021-12
|
2021-12
|
|
|
|
| PM Group [Member] | Bank Term Loan Facility [Member] | Second note [Member] | 6-month Euribor [Member] |
|
|
|
|
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| Line of Credit Facility [Line Items] |
|
|
|
|
|
| Debt Instrument, Basis Spread on Variable Rate |
2.86%
|
2.86%
|
|
|
|
| PM Group [Member] | Bank Term Loan Facility [Member] | Non Interest Bearing Promissory Note |
|
|
|
|
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| Line of Credit Facility [Line Items] |
|
|
|
|
|
| Bank Loans |
$ 3,383
|
|
€ 3,206
|
|
|
| Debt Instrument, Frequency of periodic payment |
Semi-annual
|
Semi-annual
|
|
|
|
| Debt instrument, semi installment payable start date |
2016-06
|
2016-06
|
|
|
|
| Debt instrument, semi installment payable end date |
2017-12
|
2017-12
|
|
|
|
| Debt instrument, final balloon payment date |
2022-12
|
2022-12
|
|
|
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| PM Group [Member] | Bank Term Loan Facility [Member] | Non Interest Bearing Debt Adjustment [Member] |
|
|
|
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| Line of Credit Facility [Line Items] |
|
|
|
|
|
| Debt Instrument, fair value |
$ 836
|
|
€ 792
|
$ 1,641
|
€ 1,460
|