Commitments and Contingencies (Guarantees Outstanding) (Details) - Loans sold or securitized with recourse - Loans Sold or Securitized with Recourse - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Guarantor Obligations, Maximum Potential Future Payments [Abstract]
Expire in One Year or Less	$ 33
Expire After One Year Through Three Years	329
Expire After Three Years Through Five Years	37
Expire After Five Years	22,523
Total	22,922	$ 26,198
Carrying Value	31,095	37,145
Single Family Residential with recourse
Guarantor Obligations, Maximum Potential Future Payments [Abstract]
Expire in One Year or Less	33
Expire After One Year Through Three Years	329
Expire After Three Years Through Five Years	37
Expire After Five Years	7,527
Total	7,926	10,526
Carrying Value	7,926	10,526
Multifamily residential
Guarantor Obligations, Maximum Potential Future Payments [Abstract]
Expire in One Year or Less	0
Expire After One Year Through Three Years	0
Expire After Three Years Through Five Years	0
Expire After Five Years	14,996
Total	14,996	15,672
Carrying Value	$ 23,169	$ 26,619