Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2012	Jan. 01, 2018	Dec. 31, 2016
Accumulated Other Comprehensive Income (Loss)
Accumulated Other Comprehensive Income (Loss), Tax (Expense) Benefit		$ (2,880)	$ 2,823			$ 642
Accumulated Other Comprehensive Income (Loss), Net of Tax	$ 11,319	(9,030)	9,221			822
Other Comprehensive Income (Loss), Securities, Available-for-Sale, Unrealized Holding Gain (Loss) Arising During Period, before Tax	28,366	(22,264)	10,647
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Tax		(2,327)	3,747
OCI, before Reclassifications, Net of Tax, Attributable to Parent		(7,672)
Other Comprehensive Income (Loss), Securities, Available-for-Sale, Unrealized Holding Gain (Loss) Arising During Period, after Tax			6,900
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, before Tax	1,228	1,655	67
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Tax		414	17
Reclassification from AOCI, Current Period, Net of Tax, Attributable to Parent		1,241
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax			50
Other than Temporary Impairment Losses, Investments, Portion in Other Comprehensive Loss, before Tax, Portion Attributable to Parent				$ 0
Other than Temporary Impairment Losses, Investments, Portion in Other Comprehensive Loss, Tax, Portion Attributable to Parent				1,549
Other than Temporary Impairment Losses, Investments, Portion in Other Comprehensive Loss, Net of Tax, Portion Attributable to Parent				$ 1,549
AOCI before Tax, Attributable to Parent	14,962	(11,910)	12,044			$ 1,464
AOCI Tax, Attributable to Parent	3,643
Pretax Cumulative Effect of New Accounting Principal in Period of Adoption			12,300
Tax Cumulative Effect of New Accounting Principal in Period of Adoption			2,962
Cumulative Effect of New Accounting Principle in Period of Adoption			$ 9,338
AOCI Before Tax Attributable to Parent after Cumulative Effect Adjustment					$ (256)
AOCI Tax Attributable to Parent After Cumulative Effect Adjustment					139
AOCI Net of Tax After Cumulative Effect Adjustment					$ (117)
OCI, before Reclassifications, before Tax, Attributable to Parent		$ (9,999)
Consolidated Entity Excluding Noncontrolling Interests
Accumulated Other Comprehensive Income (Loss)
Other Comprehensive Income (Loss), Securities, Available-for-Sale, Unrealized Holding Gain (Loss) Arising During Period, before Tax	28,089
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Tax	6,219
Other Comprehensive Income (Loss), Securities, Available-for-Sale, Unrealized Holding Gain (Loss) Arising During Period, after Tax	21,870
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, before Tax	1,217
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Tax	(304)
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax	$ 1,521