Other Income (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Other Income and Expenses [Abstract]
MSR (loss) income, net	$ (1,424)	$ 1,654	$ (3,233)	$ 1,911
Risk share income	1,181	800	1,946	1,446
FHLBC capital stock dividend	538	535	1,085	1,082
Equity investment (loss) income	(574)	(96)	274	172
5 Arches loan administration fee income	648	1,488	1,518	1,954
Gain on re-measurement of investment in 5 Arches	0	0	0	2,441
Other	586	478	1,802	478
Other income, net	$ 955	$ 4,859	$ 3,392	$ 9,484