XML 124 R109.htm IDEA: XBRL DOCUMENT v3.19.2
Transfers of financial assets and servicing assets - Initial fair value of assets obtained as proceeds from residential mortgage loans securitized (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Assets        
Initial fair value of the assets obtained as proceeds from residential mortgage loans securitized $ 120,541 $ 119,962 $ 214,266 $ 260,619
GNMA        
Assets        
Initial fair value of the assets obtained as proceeds from residential mortgage loans securitized 88,000 97,000 159,000 210,000
FNMA        
Assets        
Initial fair value of the assets obtained as proceeds from residential mortgage loans securitized 31,000 20,000 52,000 46,000
Trading account debt securities        
Assets        
Initial fair value of the assets obtained as proceeds from residential mortgage loans securitized 118,387 116,566 210,454 249,086
Trading account debt securities | GNMA        
Assets        
Initial fair value of the assets obtained as proceeds from residential mortgage loans securitized 87,803 97,363 158,952 209,858
Trading account debt securities | FNMA        
Assets        
Initial fair value of the assets obtained as proceeds from residential mortgage loans securitized 30,584 19,203 51,502 39,228
Mortgage Servicing Rights        
Assets        
Initial fair value of the assets obtained as proceeds from residential mortgage loans securitized 2,154 2,158 3,812 4,573
Debt securities available-for-sale        
Assets        
Initial fair value of the assets obtained as proceeds from residential mortgage loans securitized   1,238   6,960
Debt securities available-for-sale | FNMA        
Assets        
Initial fair value of the assets obtained as proceeds from residential mortgage loans securitized   1,238   6,960
Level 1        
Assets        
Initial fair value of the assets obtained as proceeds from residential mortgage loans securitized 0 0 0 0
Level 1 | Trading account debt securities        
Assets        
Initial fair value of the assets obtained as proceeds from residential mortgage loans securitized 0 0 0 0
Level 1 | Trading account debt securities | GNMA        
Assets        
Initial fair value of the assets obtained as proceeds from residential mortgage loans securitized 0 0 0 0
Level 1 | Trading account debt securities | FNMA        
Assets        
Initial fair value of the assets obtained as proceeds from residential mortgage loans securitized 0 0 0 0
Level 1 | Mortgage Servicing Rights        
Assets        
Initial fair value of the assets obtained as proceeds from residential mortgage loans securitized 0 0 0 0
Level 1 | Debt securities available-for-sale        
Assets        
Initial fair value of the assets obtained as proceeds from residential mortgage loans securitized   0   0
Level 1 | Debt securities available-for-sale | FNMA        
Assets        
Initial fair value of the assets obtained as proceeds from residential mortgage loans securitized   0   0
Level 2        
Assets        
Initial fair value of the assets obtained as proceeds from residential mortgage loans securitized 118,387 117,804 210,454 256,046
Level 2 | Trading account debt securities        
Assets        
Initial fair value of the assets obtained as proceeds from residential mortgage loans securitized 118,387 116,566 210,454 249,086
Level 2 | Trading account debt securities | GNMA        
Assets        
Initial fair value of the assets obtained as proceeds from residential mortgage loans securitized 87,803 97,363 158,952 209,858
Level 2 | Trading account debt securities | FNMA        
Assets        
Initial fair value of the assets obtained as proceeds from residential mortgage loans securitized 30,584 19,203 51,502 39,228
Level 2 | Mortgage Servicing Rights        
Assets        
Initial fair value of the assets obtained as proceeds from residential mortgage loans securitized 0 0 0 0
Level 2 | Debt securities available-for-sale        
Assets        
Initial fair value of the assets obtained as proceeds from residential mortgage loans securitized   1,238   6,960
Level 2 | Debt securities available-for-sale | FNMA        
Assets        
Initial fair value of the assets obtained as proceeds from residential mortgage loans securitized   1,238   6,960
Level 3        
Assets        
Initial fair value of the assets obtained as proceeds from residential mortgage loans securitized 2,154 2,158 3,812 4,573
Level 3 | Trading account debt securities        
Assets        
Initial fair value of the assets obtained as proceeds from residential mortgage loans securitized 0 0 0 0
Level 3 | Trading account debt securities | GNMA        
Assets        
Initial fair value of the assets obtained as proceeds from residential mortgage loans securitized 0 0 0 0
Level 3 | Trading account debt securities | FNMA        
Assets        
Initial fair value of the assets obtained as proceeds from residential mortgage loans securitized 0 0 0 0
Level 3 | Mortgage Servicing Rights        
Assets        
Initial fair value of the assets obtained as proceeds from residential mortgage loans securitized $ 2,154 2,158 $ 3,812 4,573
Level 3 | Debt securities available-for-sale        
Assets        
Initial fair value of the assets obtained as proceeds from residential mortgage loans securitized   0   0
Level 3 | Debt securities available-for-sale | FNMA        
Assets        
Initial fair value of the assets obtained as proceeds from residential mortgage loans securitized   $ 0   $ 0