XML 82 R53.htm IDEA: XBRL DOCUMENT
v3.21.1

DERIVATIVE FINANCIAL INSTRUMENTS (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2020
DERIVATIVE FINANCIAL INSTRUMENTS |
Schedule of fair values of derivatives included in the consolidated balance sheets | ​
​ | ​ | ​ | ​ | ​
​ | ​ | Consolidated balance | ​ | ​
​ |  | sheets location |  | As of December 31, 2019
​ | ​ | ​ | ​ | ​
Interest rate swap contracts (not designated as hedging instruments) | ​ | Accrued expenses and other payables | ​ | 351
Interest rate swap contracts (not designated as hedging instruments) | ​ | Other long-term liabilities | ​ | 10,408
Schedule of location in the consolidated statements of operations and the amount of realized and unrealized gains (losses) recognized for the derivative contracts not designated as hedging instruments | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Consolidated | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | statements of | ​ | Years ended December 31,
​ | ​ | operations location |  | 2018 |  | 2019 |  | 2020
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Interest rate swap contracts (not designated as hedging instruments) — realized loss |  | Interest expenses |  | (75) |  | (1,652) |  | (19,814)
Interest rate swap contracts (not designated as hedging instruments) — unrealized (loss) gain |  | Interest expenses |  | 156 |  | (10,606) |  | 10,039
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ |  | 81 |  | (12,258) |  | (9,775)

X
- References No definition available. + Details
Name: | us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the location and amount of derivative instruments and nonderivative instruments designated as hedging instruments reported before netting adjustments, and the amount of gain (loss) on derivative instruments and nonderivative instruments designated and qualified as hedging instruments. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4E -URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5624181-113959 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5618551-113959 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5624171-113959 + Details
Name: | us-gaap_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the location and fair value amounts of derivative instruments (and nonderivative instruments that are designated and qualify as hedging instruments) reported in the statement of financial position. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5624163-113959 + Details
Name: | us-gaap_ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration