v3.21.2

SECURITIES - Summary of AFS Securities Portfolio (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Jun. 30, 2021	Dec. 31, 2020
Schedule Of Available For Sale Securities [Line Items]
Amortized cost	$ 889,354		$ 794,761
Gross Unrealized gains	13,518		19,910
Gross Unrealized losses	(1,126)
Allowance for credit losses - investments	(10,098)	$ (9,116)	(7,245)
Estimated Fair Value	891,648		807,426
Other
Schedule Of Available For Sale Securities [Line Items]
Amortized cost	3,561		1,512
Gross Unrealized gains	91		98
Gross Unrealized losses	(2)
Estimated Fair Value	3,650		1,610
Agency mortgage-backed Securities
Schedule Of Available For Sale Securities [Line Items]
Amortized cost	749,029		705,752
Gross Unrealized gains	9,914		18,243
Gross Unrealized losses	(1,001)
Estimated Fair Value	757,942		723,995
Beneficial interest - FHLMC securitizations
Schedule Of Available For Sale Securities [Line Items]
Amortized cost	22,764		30,497
Gross Unrealized gains	479		211
Allowance for credit losses - investments	(10,098)		(7,245)
Estimated Fair Value	13,145		23,463
Corporate bonds
Schedule Of Available For Sale Securities [Line Items]
Amortized cost	114,000		57,000
Gross Unrealized gains	3,034		1,358
Gross Unrealized losses	(123)
Estimated Fair Value	$ 116,911		$ 58,358

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