Accumulated Other Comprehensive Loss Amounts Reclassified from Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Gains on sale of investment securities									$ (312)	$ (62)	$ (69)
Income tax expense	$ 6,237	$ 6,250	$ 5,640	$ 4,987	$ 4,565	$ 5,098	$ 4,732	$ 7,322	23,114	21,717	24,135
Net Income Available to Common Shareholders	$ (23,386)	$ (22,732)	$ (22,148)	$ (19,814)	$ (22,222)	$ (20,126)	$ (18,251)	$ (28,996)	(88,080)	(89,595)	(89,352)
Unrealized Gains (Losses) on Securities Available-for-Sale | Reclassification out of Accumulated Other Comprehensive Income
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Gains on sale of investment securities									(312)	(62)	(69)
Income tax expense									75	15	15
Net Income Available to Common Shareholders									$ (237)	$ (47)	$ (54)