Commitments and Contingencies - Allowance for Credit Losses on Unfunded Commitments (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Commitments and Contingencies [Roll Forward]
Balance at beginning of period	$ 126,272	$ 144,663	$ 125,559	$ 170,389
Balance at end of period	134,476	139,446	134,476	139,446
Unfunded Commitments
Commitments and Contingencies [Roll Forward]
Balance at beginning of period	20,399	13,202	14,380	16,378
Provision for credit losses on unfunded commitments	3,178	301	9,197	(2,875)
Balance at end of period	$ 23,577	$ 13,503	$ 23,577	$ 13,503