Securities Held-To-Maturity - Summary of Securities Held-To-Maturity (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022
Securities Held-to-Maturity
Face Value	$ 231,708		$ 234,255
Net Carrying Value	155,210		156,547
Unrealized Loss	(27,315)		(11,976)
Estimated Fair Value	127,895		144,571
Allowance for Credit Losses	4,534	$ 5,025	3,153
APL certificates
Securities Held-to-Maturity
Face Value	192,791		192,791
Net Carrying Value	125,290		123,475
Unrealized Loss	(29,734)		(13,348)
Estimated Fair Value	95,556		110,127
Allowance for Credit Losses	3,375	3,330	2,783
B Piece bonds
Securities Held-to-Maturity
Face Value	38,917		41,464
Net Carrying Value	29,920		33,072
Unrealized Gain	2,419		1,372
Estimated Fair Value	32,339		34,444
Allowance for Credit Losses	$ 1,159	$ 1,695	$ 370