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Other Income (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Other Income and Expenses [Abstract]
MSR income (loss), net	$ 697	$ (1,809)
Risk share income	882	765
FHLBC capital stock dividend	25	547
Equity investment income	0	848
Loan extension fees	421	0
Other	1,818	2,577
Other income, net	$ 3,843	$ 2,928

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FHLBC Capital Stock Dividend

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Fee Income, Risk Sharing Agreement

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Includes income (loss) from mortgage banking servicing real estate mortgages, net of subservicing costs, and market valuation changes of MSRs held at fair value.

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Amount of income (loss) for proportionate share of equity method investee's income (loss).

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The aggregate interest and fee income generated by: (1) loans the Entity has positive intent and ability to hold for the foreseeable future, or until maturity or payoff, including commercial and consumer loans, whether domestic or foreign, which may consist of: (a) industrial and agricultural; (b) real estate; and (c) real estate construction loans; (d) trade financing; (e) lease financing; (f) home equity lines-of-credit; (g) automobile and other vehicle loans; and (h) credit card and other revolving-type loans and (2) loans and leases held-for-sale which may include mortgage loans, direct financing, and sales-type leases.

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Amount of revenue and income classified as other.

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Amount of income (expense) related to nonoperating activities, classified as other.

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