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Subsequent Events	12 Months Ended
Subsequent Events	Dec. 31, 2018
Subsequent Events [Abstract]
Subsequent Events	Subsequent Events In February 2019, the Company entered into a Letter of Intent to invest in a limited partnership, as limited partner, which will own and operate an affordable housing property in Iowa City, Iowa. The Company will provide construction financing for the project beginning in April 2019 and will contribute capital of $4.18 million upon construction completion which is anticipated to be in 2020. Subsequent events have been evaluated through March 5, 2019.