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Represents the term of finance lease.

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No definition available.

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Period of time between the draw on the debt instrument and the repayment.

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR.

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No definition available.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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No definition available.

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Amount of unused borrowing capacity under the long-term financing arrangement that is available to the entity as of the balance sheet date.

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The aggregate of all deposit liabilities held by the entity, including foreign and domestic, interest and noninterest bearing; may include demand deposits, saving deposits, Negotiable Order of Withdrawal (NOW) and time deposits among others.

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Sum of the carrying amounts as of the balance sheet date of all investments.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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- Definition

Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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Amount of cash restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits.

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The financing cost related to leases that have been recorded under the deposit method, as a financing or as a capital leases in connection with the transaction involving the sale of property to another party and the lease of the property back to the seller.

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No definition available.

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The amount of the monthly rental payments due under the lease entered into in connection with the transactions involving the sale of property to another party and the lease of the property back to the seller.

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Amount of cash inflow after closing and debt issuance costs received by a seller-lessee in a sale-leaseback recognized in investing activities.

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Notes Payable and Long-Term Debt - Term Debt - Narrative (Details) $ in Thousands									6 Months Ended
	Jun. 30, 2018 TWD ($)	Jun. 19, 2018 TWD ($)	Mar. 30, 2018 USD ($)	Sep. 28, 2017 USD ($)	Jun. 24, 2016 USD ($)	Jun. 14, 2016 USD ($)	Mar. 31, 2016 TWD ($)	May 27, 2015 TWD ($)	Jun. 30, 2018 USD ($)	Jun. 30, 2018 USD ($)	Dec. 31, 2017 USD ($)	Jun. 25, 2016 USD ($)
Repayments of outstanding balance				$ 11,200					$ 93,953
Notes payable and long-term debt										$ 61,029	$ 49,559
Unused borrowing capacity										56,100	1,000
Restricted Cash										1,753	1,012
One Month LIBOR Rate
Interest rate description	LIBOR Borrowing Rate plus 1.88%
Basis spread on variable rate	2.09%
Revolving Line of Credit 7
Revolving line of credit maximum borrowing capacity		$ 300,000,000
Term of revolving credit facility		1 year
Notes payable and long-term debt	$ 0
Revolving Line of Credit 7 \| Minimum
Draw term		90 days
Stated interest rate		1.95%
Revolving Line of Credit 7 \| Maximum
Draw term		120 days
Stated interest rate		2.00%
Loan facilities
Restricted Cash										0	0
Investments										0	0
Deposits										0	$ 0
East West Bank and Comerica Bank \| London Interbank Offered Rate (LIBOR) \| Modification Agreement
Interest rate description						LIBOR Borrowing Rate plus 2.0%
Basis spread on variable rate					2.00%	2.00%
East West Bank and Comerica Bank \| One Month LIBOR Rate \| Modification Agreement
Interest rate description						one-month LIBOR Borrowing Rate plus 2.75%
Basis spread on variable rate						2.75%
East West Bank and Comerica Bank \| First Amendment \| London Interbank Offered Rate (LIBOR) \| Modification Agreement
Interest rate description					LIBOR Borrowing Rate plus 2.0%
East West Bank \| Modification Agreement
Revolving line of credit maximum borrowing capacity						$ 22,000
Chailease Finance Co. Ltd. \| Finance Lease 1
Lease purchase price								$ 180,148,532
Initial payment amount								$ 60,148,532
Financial lease term								3 years
Chailease Finance Co. Ltd. \| Finance Lease 1 \| Minimum
Lease payment range price								$ 3,322,413
Chailease Finance Co. Ltd. \| Finance Lease 1 \| Maximum
Lease payment range price								$ 3,784,000
Chailease Finance Co. Ltd. \| Finance Lease 2
Lease purchase price							$ 312,927,180
Financial lease term							3 years
Financial lease Interest rate							4.00%
Chailease Finance Co. Ltd. \| Finance Lease 2 \| Minimum
Initial payment amount							$ 62,927,180
Lease payment range price							6,772,500
Chailease Finance Co. Ltd. \| Finance Lease 2 \| Maximum
Lease payment range price							$ 7,788,333
Branch Banking and Trust Company \| First Credit Facility
Revolving line of credit maximum borrowing capacity				$ 50,000
Term of revolving credit facility				3 years
Branch Banking and Trust Company \| First Credit Facility \| One Month LIBOR Rate
Basis spread on variable rate				1.50%
Branch Banking and Trust Company \| Line of credit
Revolving line of credit maximum borrowing capacity			$ 60,000
Notes payable and long-term debt										35,000
Branch Banking and Trust Company \| Line of credit \| One Month LIBOR Rate
Interest rate description			one-month LIBOR plus
Branch Banking and Trust Company \| Line of credit \| One Month LIBOR Rate \| Minimum
Basis spread on variable rate			1.40%
Branch Banking and Trust Company \| Line of credit \| One Month LIBOR Rate \| Maximum
Basis spread on variable rate			2.00%
Revolving Line of Credit \| East West Bank and Comerica Bank \| First Amendment
Revolving line of credit maximum borrowing capacity					$ 25,000							$ 40,000
Draw down period					1 year
Term of revolving credit facility					5 years
Revolving Line of Credit \| East West Bank and Comerica Bank \| First Amendment \| London Interbank Offered Rate (LIBOR)
Interest rate description						LIBOR Borrowing Rate plus 2.75% or 3.0%
Revolving Line of Credit \| East West Bank and Comerica Bank \| First Amendment \| London Interbank Offered Rate (LIBOR) \| Minimum
Basis spread on variable rate					2.75%
Revolving Line of Credit \| East West Bank and Comerica Bank \| First Amendment \| London Interbank Offered Rate (LIBOR) \| Maximum
Basis spread on variable rate					3.00%
Term Loan \| East West Bank and Comerica Bank \| First Amendment
Revolving line of credit maximum borrowing capacity					$ 10,000
Term Loan \| Branch Banking and Trust Company
Notes payable and long-term debt										21,100
Term Loan \| Branch Banking and Trust Company \| One Month LIBOR Rate
Interest rate description			one-month LIBOR plus
Term Loan \| Branch Banking and Trust Company \| One Month LIBOR Rate \| Minimum
Basis spread on variable rate			1.15%
Term Loan \| Branch Banking and Trust Company \| One Month LIBOR Rate \| Maximum
Basis spread on variable rate			2.00%
Equipment Term Loan \| East West Bank and Comerica Bank \| First Amendment
Revolving line of credit maximum borrowing capacity					$ 10,000
Capital expenditure loan \| Branch Banking and Trust Company
Revolving line of credit maximum borrowing capacity			$ 26,000
Term of revolving credit facility			5 years
Notes payable and long-term debt										$ 4,900
Capital expenditure loan \| Branch Banking and Trust Company \| One Month LIBOR Rate
Interest rate description			one-month LIBOR plus
Capital expenditure loan \| Branch Banking and Trust Company \| One Month LIBOR Rate \| Minimum
Basis spread on variable rate			1.30%
Capital expenditure loan \| Branch Banking and Trust Company \| One Month LIBOR Rate \| Maximum
Basis spread on variable rate			2.00%
Real estate term loan \| Branch Banking and Trust Company
Revolving line of credit maximum borrowing capacity			$ 21,500
Term of revolving credit facility			70 months