Derivative, Effective Date

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- Definition

Derivative, Higher Range of Basis Spread, Variable Rate

+ References

No definition available.

+ Details

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- Definition

Derivative, Lower Range of Basis Spread, Variable Rate

+ References

No definition available.

+ Details

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- Definition

Derivative, Lower Range of Effective Rate, Variable Rate

+ References

No definition available.

+ Details

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- Definition

Derivative, Upper Range of Effective Rate, Variable Rate

+ References

No definition available.

+ Details

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- Definition

Primary Line of Credit Swapped Portion

+ References

No definition available.

+ Details

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- Definition

Swapped Foreign Currency Exchange Rate

+ References

No definition available.

+ Details

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- Definition

The total of the swap rate and credit spread on loan.

+ References

No definition available.

+ Details

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- Definition

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.

+ References

No definition available.

+ Details

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- Definition

The percentage points added to the reference rate to compute the variable rate on the interest rate derivative.

+ References

No definition available.

+ Details

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- Definition

Fixed interest rate related to the interest rate derivative.

+ References

No definition available.

+ Details

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- Definition

Date the derivative contract matures, in CCYY-MM-DD format.

+ References

No definition available.

+ Details

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- Definition

Nominal or face amount used to calculate payment on derivative.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5580258-113959

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5579245-113959

+ Details

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- References

No definition available.

+ Details

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- Definition

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.

+ References

+ Details

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- Definition

The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

+ References

No definition available.

+ Details

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- Definition

Including the current and noncurrent portions, carrying value as of the balance sheet date of uncollateralized debt obligations (with maturities initially due after one year or beyond the operating cycle if longer).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(16))
-URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910

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- Details

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Derivative and Hedging Activities (Interest Rate Derivatives Designated as Cash Flow Hedges) (Details) ₩ in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($)	Dec. 31, 2019 KRW (₩)	Dec. 31, 2018 USD ($)	Dec. 31, 2017
Interest Rate Cash Flow Hedges [Abstract]
Noncontrolling Interest, Ownership Percentage by Parent	70.00%	70.00%	71.00%	71.00%
Consolidated Subsidiaries Interest Rate Swap 1 [Domain]
Interest Rate Cash Flow Hedges [Abstract]
Noncontrolling Interest, Ownership Percentage by Parent	100.00%	100.00%
Derivative, Notional Amount	$ 100,000
Derivative, Fixed Interest Rate	2.14%	2.14%
Derivative, Basis Spread on Variable Rate	1.55%	1.55%
Total Swapped Rate On Loan	3.69%	3.69%
Derivative, Maturity Date	Feb. 01, 2022
Consolidated Subsidiaries Interest Rate Swap 1 [Domain] \| London Interbank Offered Rate (LIBOR) [Member]
Interest Rate Cash Flow Hedges [Abstract]
Debt Instrument, Description of Variable Rate Basis	one-month LIBOR
Consolidated Subsidiaries Interest Rate Swap 2 [Domain]
Interest Rate Cash Flow Hedges [Abstract]
Noncontrolling Interest, Ownership Percentage by Parent	100.00%	100.00%
Derivative, Notional Amount	$ 100,000
Derivative, Fixed Interest Rate	2.14%	2.14%
Derivative, Basis Spread on Variable Rate	1.55%	1.55%
Total Swapped Rate On Loan	3.69%	3.69%
Derivative, Maturity Date	Feb. 01, 2022
Consolidated Subsidiaries Interest Rate Swap 2 [Domain] \| London Interbank Offered Rate (LIBOR) [Member]
Interest Rate Cash Flow Hedges [Abstract]
Debt Instrument, Description of Variable Rate Basis	one-month LIBOR
Consolidated Subsidiaries Interest Rate Swap 3 [Domain]
Interest Rate Cash Flow Hedges [Abstract]
Noncontrolling Interest, Ownership Percentage by Parent	100.00%	100.00%
Derivative, Notional Amount	$ 50,000
Derivative, Fixed Interest Rate	2.14%	2.14%
Derivative, Basis Spread on Variable Rate	1.55%	1.55%
Total Swapped Rate On Loan	3.69%	3.69%
Derivative, Maturity Date	Feb. 01, 2022
Consolidated Subsidiaries Interest Rate Swap 3 [Domain] \| London Interbank Offered Rate (LIBOR) [Member]
Interest Rate Cash Flow Hedges [Abstract]
Debt Instrument, Description of Variable Rate Basis	one-month LIBOR
Consolidated Subsidiaries Interest Rate Swap 4 [Domain]
Interest Rate Cash Flow Hedges [Abstract]
Noncontrolling Interest, Ownership Percentage by Parent	100.00%	100.00%
Derivative, Notional Amount	$ 50,000
Derivative, Fixed Interest Rate	2.14%	2.14%
Derivative, Basis Spread on Variable Rate	1.55%	1.55%
Total Swapped Rate On Loan	3.69%	3.69%
Derivative, Maturity Date	Feb. 01, 2022
Unsecured Debt	$ 25,000
Consolidated Subsidiaries Interest Rate Swap 4 [Domain] \| London Interbank Offered Rate (LIBOR) [Member]
Interest Rate Cash Flow Hedges [Abstract]
Debt Instrument, Description of Variable Rate Basis	one-month LIBOR
Consolidated Subsidiaries Interest Rate Swap 5 [Domain]
Interest Rate Cash Flow Hedges [Abstract]
Noncontrolling Interest, Ownership Percentage by Parent	100.00%	100.00%
Derivative, Notional Amount	$ 125,000
Derivative, Fixed Interest Rate	3.02%	3.02%
Derivative, Basis Spread on Variable Rate	1.60%	1.60%
Total Swapped Rate On Loan	4.62%	4.62%
Derivative, Maturity Date	Mar. 01, 2023
Derivative, Effective Date	Mar. 01, 2019
Unsecured Debt	$ 250,000
Derivative, Lower Range of Basis Spread, Variable Rate	1.25%	1.25%
Derivative, Upper Range of Effective Rate, Variable Rate	4.92%	4.92%
Derivative, Higher Range of Basis Spread, Variable Rate	1.90%	1.90%
Derivative, Lower Range of Effective Rate, Variable Rate	4.27%	4.27%
Consolidated Subsidiaries Interest Rate Swap 5 [Domain] \| London Interbank Offered Rate (LIBOR) [Member]
Interest Rate Cash Flow Hedges [Abstract]
Debt Instrument, Description of Variable Rate Basis	one-month LIBOR
Consolidated Subsidiaries Interest Rate Swap 6 [Domain]
Interest Rate Cash Flow Hedges [Abstract]
Noncontrolling Interest, Ownership Percentage by Parent	100.00%	100.00%
Derivative, Notional Amount	$ 75,000
Derivative, Fixed Interest Rate	3.02%	3.02%
Derivative, Basis Spread on Variable Rate	1.60%	1.60%
Total Swapped Rate On Loan	4.62%	4.62%
Derivative, Maturity Date	Mar. 01, 2023
Consolidated Subsidiaries Interest Rate Swap 6 [Domain] \| London Interbank Offered Rate (LIBOR) [Member]
Interest Rate Cash Flow Hedges [Abstract]
Debt Instrument, Description of Variable Rate Basis	one-month LIBOR
Consolidated Subsidiaries Interest Rate Swap 7 [Domain]
Interest Rate Cash Flow Hedges [Abstract]
Noncontrolling Interest, Ownership Percentage by Parent	100.00%	100.00%
Derivative, Notional Amount	$ 50,000
Derivative, Fixed Interest Rate	3.02%	3.02%
Derivative, Basis Spread on Variable Rate	1.60%	1.60%
Total Swapped Rate On Loan	4.62%	4.62%
Derivative, Maturity Date	Mar. 01, 2023
Consolidated Subsidiaries Interest Rate Swap 7 [Domain] \| London Interbank Offered Rate (LIBOR) [Member]
Interest Rate Cash Flow Hedges [Abstract]
Debt Instrument, Description of Variable Rate Basis	one-month LIBOR
Consolidated Subsidiaries Interest Rate Swap 8 [Domain]
Interest Rate Cash Flow Hedges [Abstract]
Noncontrolling Interest, Ownership Percentage by Parent	100.00%	100.00%
Derivative, Notional Amount	$ 12,000
Derivative, Fixed Interest Rate	2.09%	2.09%
Derivative, Basis Spread on Variable Rate	1.40%	1.40%
Total Swapped Rate On Loan	3.49%	3.49%
Derivative, Maturity Date	Mar. 01, 2024
Consolidated Subsidiaries Interest Rate Swap 8 [Domain] \| London Interbank Offered Rate (LIBOR) [Member]
Interest Rate Cash Flow Hedges [Abstract]
Debt Instrument, Description of Variable Rate Basis	one-month LIBOR
Unconsolidated Joint Ventures Interest Rate Swap 1 (Member)
Interest Rate Cash Flow Hedges [Abstract]
Noncontrolling Interest, Ownership Percentage by Parent	50.10%	50.10%
Derivative, Notional Amount	$ 158,590
Derivative, Fixed Interest Rate	1.83%	1.83%
Derivative, Basis Spread on Variable Rate	1.75%	1.75%
Total Swapped Rate On Loan	3.58%	3.58%
Derivative, Maturity Date	Dec. 01, 2021
Unconsolidated Joint Ventures Interest Rate Swap 2 (Member)
Interest Rate Cash Flow Hedges [Abstract]
Noncontrolling Interest, Ownership Percentage by Parent	17.15%	17.15%
Derivative, Notional Amount	$ 52,065	₩ 60,500,000
Derivative, Fixed Interest Rate	1.52%	1.52%
Derivative, Basis Spread on Variable Rate	1.60%	1.60%
Total Swapped Rate On Loan	3.12%	3.12%
Derivative, Maturity Date	Sep. 01, 2020
Swapped Foreign Currency Exchange Rate	1,162.0
Unsecured Debt 275M Term Loan [Member]
Interest Rate Cash Flow Hedges [Abstract]
Derivative, Fixed Interest Rate	2.14%	2.14%
Debt Instrument, Description of Variable Rate Basis	LIBOR
Unsecured Debt	$ 275,000
Unsecured Debt 275M Term Loan [Member] \| Consolidated Subsidiaries Interest Rate Swap 4 [Domain]
Interest Rate Cash Flow Hedges [Abstract]
Unsecured Debt	$ 275,000
Derivative, Lower Range of Basis Spread, Variable Rate	1.15%	1.15%
Derivative, Upper Range of Effective Rate, Variable Rate	3.94%	3.94%
Derivative, Higher Range of Basis Spread, Variable Rate	1.80%	1.80%
Derivative, Lower Range of Effective Rate, Variable Rate	3.29%	3.29%
Line of Credit [Member]
Interest Rate Cash Flow Hedges [Abstract]
Derivative, Fixed Interest Rate	2.14%	2.14%
Debt Instrument, Description of Variable Rate Basis	LIBOR
Primary Line of Credit Swapped Portion	$ 25,000
Line of Credit Facility, Maximum Borrowing Capacity	1,100,000
Line of Credit [Member] \| Consolidated Subsidiaries Interest Rate Swap 4 [Domain]
Interest Rate Cash Flow Hedges [Abstract]
Unsecured Debt	$ 1,100,000
Derivative, Lower Range of Basis Spread, Variable Rate	1.05%	1.05%
Derivative, Upper Range of Effective Rate, Variable Rate	3.74%	3.74%
Derivative, Higher Range of Basis Spread, Variable Rate	1.60%	1.60%
Derivative, Lower Range of Effective Rate, Variable Rate	3.19%	3.19%
Unsecured Debt 250M Term Loan [Member]
Interest Rate Cash Flow Hedges [Abstract]
Derivative, Fixed Interest Rate	3.02%	3.02%
Debt Instrument, Description of Variable Rate Basis	LIBOR
Unsecured Debt	$ 250,000		$ 250,000