Loans Receivable Loans Receivable - Credit Quality (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Financing Receivable, Credit Quality Indicator [Line Items]
2020	$ 19,337
2019	41,149
2018	16,326
2017	9,115
2016	5,448
Prior	1,366
Loans Receivable, Amortized Cost	92,741	$ 90,164
600 or Less
Financing Receivable, Credit Quality Indicator [Line Items]
2020	2,278
2019	3,823
2018	1,034
2017	176
2016	105
Prior	19
Loans Receivable, Amortized Cost	7,435
Between 600 and 700
Financing Receivable, Credit Quality Indicator [Line Items]
2020	14,645
2019	32,952
2018	13,206
2017	7,547
2016	4,229
Prior	1,082
Loans Receivable, Amortized Cost	73,661
700 or Greater
Financing Receivable, Credit Quality Indicator [Line Items]
2020	2,414
2019	4,374
2018	2,086
2017	1,392
2016	1,114
Prior	265
Loans Receivable, Amortized Cost	$ 11,645