XML 56 R46.htm IDEA: XBRL DOCUMENT
v3.19.1

Loan Proceeds Held by Servicer (Details) - USD ($) | Mar. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Receivables [Abstract] |  |
Loan proceeds held by servicer | $ 0 | $ 1,000,000

X
- Definition Loan Principal Proceeds Held By Servicer + References No definition available. + Details
Name: | ari_LoanPrincipalProceedsHeldByServicer
Namespace Prefix: | ari_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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