TWO Annual report pursuant to Section 13 and 15(d)

Serviced Mortgage Assets (Details) $ in Thousands	Dec. 31, 2021 USD ($) loan	Dec. 31, 2020 USD ($) loan
Assets that Continue to be Recognized, Securitized or Asset-backed Financing Arrangement Assets and any Other Financial Assets Managed Together [Line Items]
Number of Loans \| loan	797,075	783,579
Unpaid Principal Balance \| $	$ 194,289,876	$ 178,928,983
Mortgage servicing rights
Assets that Continue to be Recognized, Securitized or Asset-backed Financing Arrangement Assets and any Other Financial Assets Managed Together [Line Items]
Number of Loans \| loan	796,205	781,905
Unpaid Principal Balance \| $	$ 193,770,566	$ 177,861,483
Residential mortgage loans
Assets that Continue to be Recognized, Securitized or Asset-backed Financing Arrangement Assets and any Other Financial Assets Managed Together [Line Items]
Number of Loans \| loan	868	1,674
Unpaid Principal Balance \| $	$ 519,270	$ 1,067,500
Other assets
Assets that Continue to be Recognized, Securitized or Asset-backed Financing Arrangement Assets and any Other Financial Assets Managed Together [Line Items]
Number of Loans \| loan	2	0
Unpaid Principal Balance \| $	$ 40	$ 0