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Compensating balance arrangements that do not legally restrict the withdrawal or usage of cash amounts may be reported as Cash and Cash Equivalents, while legally restricted deposits held as compensating balances against borrowing arrangements, contracts entered into with others, or company statements of intention with regard to particular deposits are not generally reported as cash and cash equivalents.","units":{"CNY":[{"end":"2012-12-31","val":317137000,"accn":"0001104659-16-114683","fy":2015,"fp":"FY","form":"20-F","filed":"2016-04-27","frame":"CY2012Q4I"},{"end":"2013-12-31","val":338092000,"accn":"0001104659-16-114683","fy":2015,"fp":"FY","form":"20-F","filed":"2016-04-27"},{"end":"2013-12-31","val":338092000,"accn":"0001104659-17-068520","fy":2016,"fp":"FY","form":"20-F","filed":"2017-11-14","frame":"CY2013Q4I"},{"end":"2014-12-31","val":375879000,"accn":"0001104659-16-114683","fy":2015,"fp":"FY","form":"20-F","filed":"2016-04-27"},{"end":"2014-12-31","val":375879000,"accn":"0001104659-17-068520","fy":2016,"fp":"FY","form":"20-F","filed":"2017-11-14"},{"end":"2014-12-31","val":375879000,"accn":"0001144204-18-023997","fy":2017,"fp":"FY","form":"20-F","filed":"2018-04-30","frame":"CY2014Q4I"},{"end":"2015-12-31","val":616218000,"accn":"0001104659-16-114683","fy":2015,"fp":"FY","form":"20-F","filed":"2016-04-27"},{"end":"2015-12-31","val":616218000,"accn":"0001104659-17-068520","fy":2016,"fp":"FY","form":"20-F","filed":"2017-11-14"},{"end":"2015-12-31","val":616218000,"accn":"0001144204-18-023997","fy":2017,"fp":"FY","form":"20-F","filed":"2018-04-30"},{"end":"2015-12-31","val":616218000,"accn":"0001104659-19-068939","fy":2018,"fp":"FY","form":"20-F/A","filed":"2019-12-02","frame":"CY2015Q4I"},{"end":"2016-12-31","val":156620000,"accn":"0001104659-17-068520","fy":2016,"fp":"FY","form":"20-F","filed":"2017-11-14"},{"end":"2016-12-31","val":156620000,"accn":"0001144204-18-023997","fy":2017,"fp":"FY","form":"20-F","filed":"2018-04-30"},{"end":"2016-12-31","val":156620000,"accn":"0001104659-19-068939","fy":2018,"fp":"FY","form":"20-F/A","filed":"2019-12-02","frame":"CY2016Q4I"},{"end":"2017-12-31","val":106709000,"accn":"0001144204-18-023997","fy":2017,"fp":"FY","form":"20-F","filed":"2018-04-30"},{"end":"2017-12-31","val":106709000,"accn":"0001104659-19-068939","fy":2018,"fp":"FY","form":"20-F/A","filed":"2019-12-02","frame":"CY2017Q4I"},{"end":"2018-12-31","val":46589000,"accn":"0001104659-19-068939","fy":2018,"fp":"FY","form":"20-F/A","filed":"2019-12-02","frame":"CY2018Q4I"}],"USD":[{"end":"2014-12-31","val":58026000,"accn":"0001104659-16-114683","fy":2015,"fp":"FY","form":"20-F","filed":"2016-04-27","frame":"CY2014Q4I"},{"end":"2015-12-31","val":95128000,"accn":"0001104659-16-114683","fy":2015,"fp":"FY","form":"20-F","filed":"2016-04-27"},{"end":"2015-12-31","val":88754000,"accn":"0001104659-17-068520","fy":2016,"fp":"FY","form":"20-F","filed":"2017-11-14","frame":"CY2015Q4I"},{"end":"2016-12-31","val":22558000,"accn":"0001104659-17-068520","fy":2016,"fp":"FY","form":"20-F","filed":"2017-11-14"},{"end":"2016-12-31","val":24072000,"accn":"0001144204-18-023997","fy":2017,"fp":"FY","form":"20-F","filed":"2018-04-30","frame":"CY2016Q4I"},{"end":"2017-12-31","val":16401000,"accn":"0001144204-18-023997","fy":2017,"fp":"FY","form":"20-F","filed":"2018-04-30"},{"end":"2017-12-31","val":15520000,"accn":"0001104659-19-068939","fy":2018,"fp":"FY","form":"20-F/A","filed":"2019-12-02","frame":"CY2017Q4I"},{"end":"2018-12-31","val":6776000,"accn":"0001104659-19-068939","fy":2018,"fp":"FY","form":"20-F/A","filed":"2019-12-02","frame":"CY2018Q4I"}]}},"CashAndCashEquivalentsPeriodIncreaseDecrease":{"label":"Cash and Cash Equivalents, Period Increase (Decrease)","description":"Amount of increase (decrease) in cash and cash equivalents. 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